chore: 清理临时管理目录并更新文档索引
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删除 admin-temp-dir 目录及其内容 更新文档索引以包含 dashmap 相关文件
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<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `C:\Users\szend\.cargo\registry\src\index.crates.io-1949cf8c6b5b557f\dashmap-6.1.0\src\iter.rs`."><title>iter.rs - source</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-6b053e98.ttf.woff2,FiraSans-Italic-81dc35de.woff2,FiraSans-Regular-0fe48ade.woff2,FiraSans-MediumItalic-ccf7e434.woff2,FiraSans-Medium-e1aa3f0a.woff2,SourceCodePro-Regular-8badfe75.ttf.woff2,SourceCodePro-Semibold-aa29a496.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2"href="../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../static.files/normalize-9960930a.css"><link rel="stylesheet" href="../../static.files/rustdoc-ca0dd0c4.css"><meta name="rustdoc-vars" data-root-path="../../" data-static-root-path="../../static.files/" data-current-crate="dashmap" data-themes="" data-resource-suffix="" data-rustdoc-version="1.93.1 (01f6ddf75 2026-02-11)" data-channel="1.93.1" data-search-js="search-9e2438ea.js" data-stringdex-js="stringdex-a3946164.js" data-settings-js="settings-c38705f0.js" ><script src="../../static.files/storage-e2aeef58.js"></script><script defer src="../../static.files/src-script-813739b1.js"></script><script defer src="../../src-files.js"></script><script defer src="../../static.files/main-a410ff4d.js"></script><noscript><link rel="stylesheet" href="../../static.files/noscript-263c88ec.css"></noscript><link rel="alternate icon" type="image/png" href="../../static.files/favicon-32x32-eab170b8.png"><link rel="icon" type="image/svg+xml" href="../../static.files/favicon-044be391.svg"></head><body class="rustdoc src"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="src-sidebar-title"><h2>Files</h2></div></nav><div class="sidebar-resizer" title="Drag to resize sidebar"></div><main><section id="main-content" class="content"><div class="main-heading"><h1><div class="sub-heading">dashmap/</div>iter.rs</h1><rustdoc-toolbar></rustdoc-toolbar></div><div class="example-wrap digits-3"><pre class="rust"><code><a href=#1 id=1 data-nosnippet>1</a><span class="kw">use </span><span class="kw">super</span>::mapref::multiple::{RefMulti, RefMutMulti};
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<a href=#2 id=2 data-nosnippet>2</a><span class="kw">use </span><span class="kw">crate</span>::lock::{RwLockReadGuard, RwLockWriteGuard};
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<a href=#3 id=3 data-nosnippet>3</a><span class="kw">use </span><span class="kw">crate</span>::t::Map;
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<a href=#4 id=4 data-nosnippet>4</a><span class="kw">use </span><span class="kw">crate</span>::util::SharedValue;
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<a href=#5 id=5 data-nosnippet>5</a><span class="kw">use crate</span>::{DashMap, HashMap};
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<a href=#6 id=6 data-nosnippet>6</a><span class="kw">use </span>core::hash::{BuildHasher, Hash};
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<a href=#7 id=7 data-nosnippet>7</a><span class="kw">use </span>core::mem;
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<a href=#8 id=8 data-nosnippet>8</a><span class="kw">use </span>std::collections::hash_map::RandomState;
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<a href=#9 id=9 data-nosnippet>9</a><span class="kw">use </span>std::marker::PhantomData;
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<a href=#10 id=10 data-nosnippet>10</a><span class="kw">use </span>std::sync::Arc;
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<a href=#11 id=11 data-nosnippet>11</a>
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<a href=#12 id=12 data-nosnippet>12</a><span class="doccomment">/// Iterator over a DashMap yielding key value pairs.
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<a href=#13 id=13 data-nosnippet>13</a>///
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<a href=#14 id=14 data-nosnippet>14</a>/// # Examples
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<a href=#15 id=15 data-nosnippet>15</a>///
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<a href=#16 id=16 data-nosnippet>16</a>/// ```
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<a href=#17 id=17 data-nosnippet>17</a>/// use dashmap::DashMap;
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<a href=#18 id=18 data-nosnippet>18</a>///
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<a href=#19 id=19 data-nosnippet>19</a>/// let map = DashMap::new();
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<a href=#20 id=20 data-nosnippet>20</a>/// map.insert("hello", "world");
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<a href=#21 id=21 data-nosnippet>21</a>/// map.insert("alex", "steve");
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<a href=#22 id=22 data-nosnippet>22</a>/// let pairs: Vec<(&'static str, &'static str)> = map.into_iter().collect();
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<a href=#23 id=23 data-nosnippet>23</a>/// assert_eq!(pairs.len(), 2);
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<a href=#24 id=24 data-nosnippet>24</a>/// ```
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<a href=#25 id=25 data-nosnippet>25</a></span><span class="kw">pub struct </span>OwningIter<K, V, S = RandomState> {
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<a href=#26 id=26 data-nosnippet>26</a> map: DashMap<K, V, S>,
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<a href=#27 id=27 data-nosnippet>27</a> shard_i: usize,
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<a href=#28 id=28 data-nosnippet>28</a> current: <span class="prelude-ty">Option</span><GuardOwningIter<K, V>>,
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<a href=#29 id=29 data-nosnippet>29</a>}
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<a href=#30 id=30 data-nosnippet>30</a>
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<a href=#31 id=31 data-nosnippet>31</a><span class="kw">impl</span><K: Eq + Hash, V, S: BuildHasher + Clone> OwningIter<K, V, S> {
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<a href=#32 id=32 data-nosnippet>32</a> <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn </span>new(map: DashMap<K, V, S>) -> <span class="self">Self </span>{
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<a href=#33 id=33 data-nosnippet>33</a> <span class="self">Self </span>{
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<a href=#34 id=34 data-nosnippet>34</a> map,
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<a href=#35 id=35 data-nosnippet>35</a> shard_i: <span class="number">0</span>,
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<a href=#36 id=36 data-nosnippet>36</a> current: <span class="prelude-val">None</span>,
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<a href=#37 id=37 data-nosnippet>37</a> }
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<a href=#38 id=38 data-nosnippet>38</a> }
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<a href=#39 id=39 data-nosnippet>39</a>}
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<a href=#40 id=40 data-nosnippet>40</a>
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<a href=#41 id=41 data-nosnippet>41</a><span class="kw">type </span>GuardOwningIter<K, V> = hashbrown::raw::RawIntoIter<(K, SharedValue<V>)>;
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<a href=#42 id=42 data-nosnippet>42</a>
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<a href=#43 id=43 data-nosnippet>43</a><span class="kw">impl</span><K: Eq + Hash, V, S: BuildHasher + Clone> Iterator <span class="kw">for </span>OwningIter<K, V, S> {
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<a href=#44 id=44 data-nosnippet>44</a> <span class="kw">type </span>Item = (K, V);
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<a href=#45 id=45 data-nosnippet>45</a>
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<a href=#46 id=46 data-nosnippet>46</a> <span class="kw">fn </span>next(<span class="kw-2">&mut </span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><<span class="self">Self</span>::Item> {
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<a href=#47 id=47 data-nosnippet>47</a> <span class="kw">loop </span>{
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<a href=#48 id=48 data-nosnippet>48</a> <span class="kw">if let </span><span class="prelude-val">Some</span>(current) = <span class="self">self</span>.current.as_mut() {
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<a href=#49 id=49 data-nosnippet>49</a> <span class="kw">if let </span><span class="prelude-val">Some</span>((k, v)) = current.next() {
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<a href=#50 id=50 data-nosnippet>50</a> <span class="kw">return </span><span class="prelude-val">Some</span>((k, v.into_inner()));
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<a href=#51 id=51 data-nosnippet>51</a> }
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<a href=#52 id=52 data-nosnippet>52</a> }
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<a href=#53 id=53 data-nosnippet>53</a>
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<a href=#54 id=54 data-nosnippet>54</a> <span class="kw">if </span><span class="self">self</span>.shard_i == <span class="self">self</span>.map._shard_count() {
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<a href=#55 id=55 data-nosnippet>55</a> <span class="kw">return </span><span class="prelude-val">None</span>;
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<a href=#56 id=56 data-nosnippet>56</a> }
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<a href=#57 id=57 data-nosnippet>57</a>
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<a href=#58 id=58 data-nosnippet>58</a> <span class="comment">//let guard = unsafe { self.map._yield_read_shard(self.shard_i) };
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<a href=#59 id=59 data-nosnippet>59</a> </span><span class="kw">let </span><span class="kw-2">mut </span>shard_wl = <span class="kw">unsafe </span>{ <span class="self">self</span>.map._yield_write_shard(<span class="self">self</span>.shard_i) };
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<a href=#60 id=60 data-nosnippet>60</a>
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<a href=#61 id=61 data-nosnippet>61</a> <span class="kw">let </span>map = mem::take(<span class="kw-2">&mut *</span>shard_wl);
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<a href=#62 id=62 data-nosnippet>62</a>
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<a href=#63 id=63 data-nosnippet>63</a> drop(shard_wl);
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<a href=#64 id=64 data-nosnippet>64</a>
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<a href=#65 id=65 data-nosnippet>65</a> <span class="kw">let </span>iter = map.into_iter();
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<a href=#66 id=66 data-nosnippet>66</a>
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<a href=#67 id=67 data-nosnippet>67</a> <span class="comment">//unsafe { ptr::write(&mut self.current, Some((arcee, iter))); }
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<a href=#68 id=68 data-nosnippet>68</a> </span><span class="self">self</span>.current = <span class="prelude-val">Some</span>(iter);
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<a href=#69 id=69 data-nosnippet>69</a>
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<a href=#70 id=70 data-nosnippet>70</a> <span class="self">self</span>.shard_i += <span class="number">1</span>;
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<a href=#71 id=71 data-nosnippet>71</a> }
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<a href=#72 id=72 data-nosnippet>72</a> }
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<a href=#73 id=73 data-nosnippet>73</a>}
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<a href=#74 id=74 data-nosnippet>74</a>
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<a href=#75 id=75 data-nosnippet>75</a><span class="kw">unsafe impl</span><K, V, S> Send <span class="kw">for </span>OwningIter<K, V, S>
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<a href=#76 id=76 data-nosnippet>76</a><span class="kw">where
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<a href=#77 id=77 data-nosnippet>77</a> </span>K: Eq + Hash + Send,
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<a href=#78 id=78 data-nosnippet>78</a> V: Send,
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<a href=#79 id=79 data-nosnippet>79</a> S: BuildHasher + Clone + Send,
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<a href=#80 id=80 data-nosnippet>80</a>{
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<a href=#81 id=81 data-nosnippet>81</a>}
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<a href=#82 id=82 data-nosnippet>82</a>
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<a href=#83 id=83 data-nosnippet>83</a><span class="kw">unsafe impl</span><K, V, S> Sync <span class="kw">for </span>OwningIter<K, V, S>
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<a href=#84 id=84 data-nosnippet>84</a><span class="kw">where
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<a href=#85 id=85 data-nosnippet>85</a> </span>K: Eq + Hash + Sync,
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<a href=#86 id=86 data-nosnippet>86</a> V: Sync,
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<a href=#87 id=87 data-nosnippet>87</a> S: BuildHasher + Clone + Sync,
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<a href=#88 id=88 data-nosnippet>88</a>{
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<a href=#89 id=89 data-nosnippet>89</a>}
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<a href=#90 id=90 data-nosnippet>90</a>
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<a href=#91 id=91 data-nosnippet>91</a><span class="kw">type </span>GuardIter<<span class="lifetime">'a</span>, K, V> = (
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<a href=#92 id=92 data-nosnippet>92</a> Arc<RwLockReadGuard<<span class="lifetime">'a</span>, HashMap<K, V>>>,
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<a href=#93 id=93 data-nosnippet>93</a> hashbrown::raw::RawIter<(K, SharedValue<V>)>,
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<a href=#94 id=94 data-nosnippet>94</a>);
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<a href=#95 id=95 data-nosnippet>95</a>
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<a href=#96 id=96 data-nosnippet>96</a><span class="kw">type </span>GuardIterMut<<span class="lifetime">'a</span>, K, V> = (
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<a href=#97 id=97 data-nosnippet>97</a> Arc<RwLockWriteGuard<<span class="lifetime">'a</span>, HashMap<K, V>>>,
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<a href=#98 id=98 data-nosnippet>98</a> hashbrown::raw::RawIter<(K, SharedValue<V>)>,
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<a href=#99 id=99 data-nosnippet>99</a>);
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<a href=#100 id=100 data-nosnippet>100</a>
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<a href=#101 id=101 data-nosnippet>101</a><span class="doccomment">/// Iterator over a DashMap yielding immutable references.
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<a href=#102 id=102 data-nosnippet>102</a>///
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<a href=#103 id=103 data-nosnippet>103</a>/// # Examples
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<a href=#104 id=104 data-nosnippet>104</a>///
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<a href=#105 id=105 data-nosnippet>105</a>/// ```
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<a href=#106 id=106 data-nosnippet>106</a>/// use dashmap::DashMap;
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<a href=#107 id=107 data-nosnippet>107</a>///
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<a href=#108 id=108 data-nosnippet>108</a>/// let map = DashMap::new();
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<a href=#109 id=109 data-nosnippet>109</a>/// map.insert("hello", "world");
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<a href=#110 id=110 data-nosnippet>110</a>/// assert_eq!(map.iter().count(), 1);
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<a href=#111 id=111 data-nosnippet>111</a>/// ```
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<a href=#112 id=112 data-nosnippet>112</a></span><span class="kw">pub struct </span>Iter<<span class="lifetime">'a</span>, K, V, S = RandomState, M = DashMap<K, V, S>> {
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<a href=#113 id=113 data-nosnippet>113</a> map: <span class="kw-2">&</span><span class="lifetime">'a </span>M,
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<a href=#114 id=114 data-nosnippet>114</a> shard_i: usize,
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<a href=#115 id=115 data-nosnippet>115</a> current: <span class="prelude-ty">Option</span><GuardIter<<span class="lifetime">'a</span>, K, V>>,
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<a href=#116 id=116 data-nosnippet>116</a> marker: PhantomData<S>,
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<a href=#117 id=117 data-nosnippet>117</a>}
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<a href=#118 id=118 data-nosnippet>118</a>
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<a href=#119 id=119 data-nosnippet>119</a><span class="kw">impl</span><<span class="lifetime">'i</span>, K: Clone + Hash + Eq, V: Clone, S: Clone + BuildHasher> Clone <span class="kw">for </span>Iter<<span class="lifetime">'i</span>, K, V, S> {
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<a href=#120 id=120 data-nosnippet>120</a> <span class="kw">fn </span>clone(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="self">Self </span>{
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<a href=#121 id=121 data-nosnippet>121</a> Iter::new(<span class="self">self</span>.map)
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<a href=#122 id=122 data-nosnippet>122</a> }
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<a href=#123 id=123 data-nosnippet>123</a>}
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<a href=#124 id=124 data-nosnippet>124</a>
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<a href=#125 id=125 data-nosnippet>125</a><span class="kw">unsafe impl</span><<span class="lifetime">'a</span>, <span class="lifetime">'i</span>, K, V, S, M> Send <span class="kw">for </span>Iter<<span class="lifetime">'i</span>, K, V, S, M>
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<a href=#126 id=126 data-nosnippet>126</a><span class="kw">where
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<a href=#127 id=127 data-nosnippet>127</a> </span>K: <span class="lifetime">'a </span>+ Eq + Hash + Send,
|
||||
<a href=#128 id=128 data-nosnippet>128</a> V: <span class="lifetime">'a </span>+ Send,
|
||||
<a href=#129 id=129 data-nosnippet>129</a> S: <span class="lifetime">'a </span>+ BuildHasher + Clone,
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||||
<a href=#130 id=130 data-nosnippet>130</a> M: Map<<span class="lifetime">'a</span>, K, V, S>,
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<a href=#131 id=131 data-nosnippet>131</a>{
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<a href=#132 id=132 data-nosnippet>132</a>}
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<a href=#133 id=133 data-nosnippet>133</a>
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<a href=#134 id=134 data-nosnippet>134</a><span class="kw">unsafe impl</span><<span class="lifetime">'a</span>, <span class="lifetime">'i</span>, K, V, S, M> Sync <span class="kw">for </span>Iter<<span class="lifetime">'i</span>, K, V, S, M>
|
||||
<a href=#135 id=135 data-nosnippet>135</a><span class="kw">where
|
||||
<a href=#136 id=136 data-nosnippet>136</a> </span>K: <span class="lifetime">'a </span>+ Eq + Hash + Sync,
|
||||
<a href=#137 id=137 data-nosnippet>137</a> V: <span class="lifetime">'a </span>+ Sync,
|
||||
<a href=#138 id=138 data-nosnippet>138</a> S: <span class="lifetime">'a </span>+ BuildHasher + Clone,
|
||||
<a href=#139 id=139 data-nosnippet>139</a> M: Map<<span class="lifetime">'a</span>, K, V, S>,
|
||||
<a href=#140 id=140 data-nosnippet>140</a>{
|
||||
<a href=#141 id=141 data-nosnippet>141</a>}
|
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<a href=#142 id=142 data-nosnippet>142</a>
|
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<a href=#143 id=143 data-nosnippet>143</a><span class="kw">impl</span><<span class="lifetime">'a</span>, K: Eq + Hash, V, S: <span class="lifetime">'a </span>+ BuildHasher + Clone, M: Map<<span class="lifetime">'a</span>, K, V, S>> Iter<<span class="lifetime">'a</span>, K, V, S, M> {
|
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<a href=#144 id=144 data-nosnippet>144</a> <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn </span>new(map: <span class="kw-2">&</span><span class="lifetime">'a </span>M) -> <span class="self">Self </span>{
|
||||
<a href=#145 id=145 data-nosnippet>145</a> <span class="self">Self </span>{
|
||||
<a href=#146 id=146 data-nosnippet>146</a> map,
|
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<a href=#147 id=147 data-nosnippet>147</a> shard_i: <span class="number">0</span>,
|
||||
<a href=#148 id=148 data-nosnippet>148</a> current: <span class="prelude-val">None</span>,
|
||||
<a href=#149 id=149 data-nosnippet>149</a> marker: PhantomData,
|
||||
<a href=#150 id=150 data-nosnippet>150</a> }
|
||||
<a href=#151 id=151 data-nosnippet>151</a> }
|
||||
<a href=#152 id=152 data-nosnippet>152</a>}
|
||||
<a href=#153 id=153 data-nosnippet>153</a>
|
||||
<a href=#154 id=154 data-nosnippet>154</a><span class="kw">impl</span><<span class="lifetime">'a</span>, K: Eq + Hash, V, S: <span class="lifetime">'a </span>+ BuildHasher + Clone, M: Map<<span class="lifetime">'a</span>, K, V, S>> Iterator
|
||||
<a href=#155 id=155 data-nosnippet>155</a> <span class="kw">for </span>Iter<<span class="lifetime">'a</span>, K, V, S, M>
|
||||
<a href=#156 id=156 data-nosnippet>156</a>{
|
||||
<a href=#157 id=157 data-nosnippet>157</a> <span class="kw">type </span>Item = RefMulti<<span class="lifetime">'a</span>, K, V>;
|
||||
<a href=#158 id=158 data-nosnippet>158</a>
|
||||
<a href=#159 id=159 data-nosnippet>159</a> <span class="kw">fn </span>next(<span class="kw-2">&mut </span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><<span class="self">Self</span>::Item> {
|
||||
<a href=#160 id=160 data-nosnippet>160</a> <span class="kw">loop </span>{
|
||||
<a href=#161 id=161 data-nosnippet>161</a> <span class="kw">if let </span><span class="prelude-val">Some</span>(current) = <span class="self">self</span>.current.as_mut() {
|
||||
<a href=#162 id=162 data-nosnippet>162</a> <span class="kw">if let </span><span class="prelude-val">Some</span>(b) = current.<span class="number">1</span>.next() {
|
||||
<a href=#163 id=163 data-nosnippet>163</a> <span class="kw">return unsafe </span>{
|
||||
<a href=#164 id=164 data-nosnippet>164</a> <span class="kw">let </span>(k, v) = b.as_ref();
|
||||
<a href=#165 id=165 data-nosnippet>165</a> <span class="kw">let </span>guard = current.<span class="number">0</span>.clone();
|
||||
<a href=#166 id=166 data-nosnippet>166</a> <span class="prelude-val">Some</span>(RefMulti::new(guard, k, v.get()))
|
||||
<a href=#167 id=167 data-nosnippet>167</a> };
|
||||
<a href=#168 id=168 data-nosnippet>168</a> }
|
||||
<a href=#169 id=169 data-nosnippet>169</a> }
|
||||
<a href=#170 id=170 data-nosnippet>170</a>
|
||||
<a href=#171 id=171 data-nosnippet>171</a> <span class="kw">if </span><span class="self">self</span>.shard_i == <span class="self">self</span>.map._shard_count() {
|
||||
<a href=#172 id=172 data-nosnippet>172</a> <span class="kw">return </span><span class="prelude-val">None</span>;
|
||||
<a href=#173 id=173 data-nosnippet>173</a> }
|
||||
<a href=#174 id=174 data-nosnippet>174</a>
|
||||
<a href=#175 id=175 data-nosnippet>175</a> <span class="kw">let </span>guard = <span class="kw">unsafe </span>{ <span class="self">self</span>.map._yield_read_shard(<span class="self">self</span>.shard_i) };
|
||||
<a href=#176 id=176 data-nosnippet>176</a>
|
||||
<a href=#177 id=177 data-nosnippet>177</a> <span class="kw">let </span>iter = <span class="kw">unsafe </span>{ guard.iter() };
|
||||
<a href=#178 id=178 data-nosnippet>178</a>
|
||||
<a href=#179 id=179 data-nosnippet>179</a> <span class="self">self</span>.current = <span class="prelude-val">Some</span>((Arc::new(guard), iter));
|
||||
<a href=#180 id=180 data-nosnippet>180</a>
|
||||
<a href=#181 id=181 data-nosnippet>181</a> <span class="self">self</span>.shard_i += <span class="number">1</span>;
|
||||
<a href=#182 id=182 data-nosnippet>182</a> }
|
||||
<a href=#183 id=183 data-nosnippet>183</a> }
|
||||
<a href=#184 id=184 data-nosnippet>184</a>}
|
||||
<a href=#185 id=185 data-nosnippet>185</a>
|
||||
<a href=#186 id=186 data-nosnippet>186</a><span class="doccomment">/// Iterator over a DashMap yielding mutable references.
|
||||
<a href=#187 id=187 data-nosnippet>187</a>///
|
||||
<a href=#188 id=188 data-nosnippet>188</a>/// # Examples
|
||||
<a href=#189 id=189 data-nosnippet>189</a>///
|
||||
<a href=#190 id=190 data-nosnippet>190</a>/// ```
|
||||
<a href=#191 id=191 data-nosnippet>191</a>/// use dashmap::DashMap;
|
||||
<a href=#192 id=192 data-nosnippet>192</a>///
|
||||
<a href=#193 id=193 data-nosnippet>193</a>/// let map = DashMap::new();
|
||||
<a href=#194 id=194 data-nosnippet>194</a>/// map.insert("Johnny", 21);
|
||||
<a href=#195 id=195 data-nosnippet>195</a>/// map.iter_mut().for_each(|mut r| *r += 1);
|
||||
<a href=#196 id=196 data-nosnippet>196</a>/// assert_eq!(*map.get("Johnny").unwrap(), 22);
|
||||
<a href=#197 id=197 data-nosnippet>197</a>/// ```
|
||||
<a href=#198 id=198 data-nosnippet>198</a></span><span class="kw">pub struct </span>IterMut<<span class="lifetime">'a</span>, K, V, S = RandomState, M = DashMap<K, V, S>> {
|
||||
<a href=#199 id=199 data-nosnippet>199</a> map: <span class="kw-2">&</span><span class="lifetime">'a </span>M,
|
||||
<a href=#200 id=200 data-nosnippet>200</a> shard_i: usize,
|
||||
<a href=#201 id=201 data-nosnippet>201</a> current: <span class="prelude-ty">Option</span><GuardIterMut<<span class="lifetime">'a</span>, K, V>>,
|
||||
<a href=#202 id=202 data-nosnippet>202</a> marker: PhantomData<S>,
|
||||
<a href=#203 id=203 data-nosnippet>203</a>}
|
||||
<a href=#204 id=204 data-nosnippet>204</a>
|
||||
<a href=#205 id=205 data-nosnippet>205</a><span class="kw">unsafe impl</span><<span class="lifetime">'a</span>, <span class="lifetime">'i</span>, K, V, S, M> Send <span class="kw">for </span>IterMut<<span class="lifetime">'i</span>, K, V, S, M>
|
||||
<a href=#206 id=206 data-nosnippet>206</a><span class="kw">where
|
||||
<a href=#207 id=207 data-nosnippet>207</a> </span>K: <span class="lifetime">'a </span>+ Eq + Hash + Send,
|
||||
<a href=#208 id=208 data-nosnippet>208</a> V: <span class="lifetime">'a </span>+ Send,
|
||||
<a href=#209 id=209 data-nosnippet>209</a> S: <span class="lifetime">'a </span>+ BuildHasher + Clone,
|
||||
<a href=#210 id=210 data-nosnippet>210</a> M: Map<<span class="lifetime">'a</span>, K, V, S>,
|
||||
<a href=#211 id=211 data-nosnippet>211</a>{
|
||||
<a href=#212 id=212 data-nosnippet>212</a>}
|
||||
<a href=#213 id=213 data-nosnippet>213</a>
|
||||
<a href=#214 id=214 data-nosnippet>214</a><span class="kw">unsafe impl</span><<span class="lifetime">'a</span>, <span class="lifetime">'i</span>, K, V, S, M> Sync <span class="kw">for </span>IterMut<<span class="lifetime">'i</span>, K, V, S, M>
|
||||
<a href=#215 id=215 data-nosnippet>215</a><span class="kw">where
|
||||
<a href=#216 id=216 data-nosnippet>216</a> </span>K: <span class="lifetime">'a </span>+ Eq + Hash + Sync,
|
||||
<a href=#217 id=217 data-nosnippet>217</a> V: <span class="lifetime">'a </span>+ Sync,
|
||||
<a href=#218 id=218 data-nosnippet>218</a> S: <span class="lifetime">'a </span>+ BuildHasher + Clone,
|
||||
<a href=#219 id=219 data-nosnippet>219</a> M: Map<<span class="lifetime">'a</span>, K, V, S>,
|
||||
<a href=#220 id=220 data-nosnippet>220</a>{
|
||||
<a href=#221 id=221 data-nosnippet>221</a>}
|
||||
<a href=#222 id=222 data-nosnippet>222</a>
|
||||
<a href=#223 id=223 data-nosnippet>223</a><span class="kw">impl</span><<span class="lifetime">'a</span>, K: Eq + Hash, V, S: <span class="lifetime">'a </span>+ BuildHasher + Clone, M: Map<<span class="lifetime">'a</span>, K, V, S>>
|
||||
<a href=#224 id=224 data-nosnippet>224</a> IterMut<<span class="lifetime">'a</span>, K, V, S, M>
|
||||
<a href=#225 id=225 data-nosnippet>225</a>{
|
||||
<a href=#226 id=226 data-nosnippet>226</a> <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn </span>new(map: <span class="kw-2">&</span><span class="lifetime">'a </span>M) -> <span class="self">Self </span>{
|
||||
<a href=#227 id=227 data-nosnippet>227</a> <span class="self">Self </span>{
|
||||
<a href=#228 id=228 data-nosnippet>228</a> map,
|
||||
<a href=#229 id=229 data-nosnippet>229</a> shard_i: <span class="number">0</span>,
|
||||
<a href=#230 id=230 data-nosnippet>230</a> current: <span class="prelude-val">None</span>,
|
||||
<a href=#231 id=231 data-nosnippet>231</a> marker: PhantomData,
|
||||
<a href=#232 id=232 data-nosnippet>232</a> }
|
||||
<a href=#233 id=233 data-nosnippet>233</a> }
|
||||
<a href=#234 id=234 data-nosnippet>234</a>}
|
||||
<a href=#235 id=235 data-nosnippet>235</a>
|
||||
<a href=#236 id=236 data-nosnippet>236</a><span class="kw">impl</span><<span class="lifetime">'a</span>, K: Eq + Hash, V, S: <span class="lifetime">'a </span>+ BuildHasher + Clone, M: Map<<span class="lifetime">'a</span>, K, V, S>> Iterator
|
||||
<a href=#237 id=237 data-nosnippet>237</a> <span class="kw">for </span>IterMut<<span class="lifetime">'a</span>, K, V, S, M>
|
||||
<a href=#238 id=238 data-nosnippet>238</a>{
|
||||
<a href=#239 id=239 data-nosnippet>239</a> <span class="kw">type </span>Item = RefMutMulti<<span class="lifetime">'a</span>, K, V>;
|
||||
<a href=#240 id=240 data-nosnippet>240</a>
|
||||
<a href=#241 id=241 data-nosnippet>241</a> <span class="kw">fn </span>next(<span class="kw-2">&mut </span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><<span class="self">Self</span>::Item> {
|
||||
<a href=#242 id=242 data-nosnippet>242</a> <span class="kw">loop </span>{
|
||||
<a href=#243 id=243 data-nosnippet>243</a> <span class="kw">if let </span><span class="prelude-val">Some</span>(current) = <span class="self">self</span>.current.as_mut() {
|
||||
<a href=#244 id=244 data-nosnippet>244</a> <span class="kw">if let </span><span class="prelude-val">Some</span>(b) = current.<span class="number">1</span>.next() {
|
||||
<a href=#245 id=245 data-nosnippet>245</a> <span class="kw">return unsafe </span>{
|
||||
<a href=#246 id=246 data-nosnippet>246</a> <span class="kw">let </span>(k, v) = b.as_mut();
|
||||
<a href=#247 id=247 data-nosnippet>247</a> <span class="kw">let </span>guard = current.<span class="number">0</span>.clone();
|
||||
<a href=#248 id=248 data-nosnippet>248</a> <span class="prelude-val">Some</span>(RefMutMulti::new(guard, k, v.get_mut()))
|
||||
<a href=#249 id=249 data-nosnippet>249</a> };
|
||||
<a href=#250 id=250 data-nosnippet>250</a> }
|
||||
<a href=#251 id=251 data-nosnippet>251</a> }
|
||||
<a href=#252 id=252 data-nosnippet>252</a>
|
||||
<a href=#253 id=253 data-nosnippet>253</a> <span class="kw">if </span><span class="self">self</span>.shard_i == <span class="self">self</span>.map._shard_count() {
|
||||
<a href=#254 id=254 data-nosnippet>254</a> <span class="kw">return </span><span class="prelude-val">None</span>;
|
||||
<a href=#255 id=255 data-nosnippet>255</a> }
|
||||
<a href=#256 id=256 data-nosnippet>256</a>
|
||||
<a href=#257 id=257 data-nosnippet>257</a> <span class="kw">let </span>guard = <span class="kw">unsafe </span>{ <span class="self">self</span>.map._yield_write_shard(<span class="self">self</span>.shard_i) };
|
||||
<a href=#258 id=258 data-nosnippet>258</a>
|
||||
<a href=#259 id=259 data-nosnippet>259</a> <span class="kw">let </span>iter = <span class="kw">unsafe </span>{ guard.iter() };
|
||||
<a href=#260 id=260 data-nosnippet>260</a>
|
||||
<a href=#261 id=261 data-nosnippet>261</a> <span class="self">self</span>.current = <span class="prelude-val">Some</span>((Arc::new(guard), iter));
|
||||
<a href=#262 id=262 data-nosnippet>262</a>
|
||||
<a href=#263 id=263 data-nosnippet>263</a> <span class="self">self</span>.shard_i += <span class="number">1</span>;
|
||||
<a href=#264 id=264 data-nosnippet>264</a> }
|
||||
<a href=#265 id=265 data-nosnippet>265</a> }
|
||||
<a href=#266 id=266 data-nosnippet>266</a>}
|
||||
<a href=#267 id=267 data-nosnippet>267</a>
|
||||
<a href=#268 id=268 data-nosnippet>268</a><span class="attr">#[cfg(test)]
|
||||
<a href=#269 id=269 data-nosnippet>269</a></span><span class="kw">mod </span>tests {
|
||||
<a href=#270 id=270 data-nosnippet>270</a> <span class="kw">use </span><span class="kw">crate</span>::DashMap;
|
||||
<a href=#271 id=271 data-nosnippet>271</a>
|
||||
<a href=#272 id=272 data-nosnippet>272</a> <span class="attr">#[test]
|
||||
<a href=#273 id=273 data-nosnippet>273</a> </span><span class="kw">fn </span>iter_mut_manual_count() {
|
||||
<a href=#274 id=274 data-nosnippet>274</a> <span class="kw">let </span>map = DashMap::new();
|
||||
<a href=#275 id=275 data-nosnippet>275</a>
|
||||
<a href=#276 id=276 data-nosnippet>276</a> map.insert(<span class="string">"Johnny"</span>, <span class="number">21</span>);
|
||||
<a href=#277 id=277 data-nosnippet>277</a>
|
||||
<a href=#278 id=278 data-nosnippet>278</a> <span class="macro">assert_eq!</span>(map.len(), <span class="number">1</span>);
|
||||
<a href=#279 id=279 data-nosnippet>279</a>
|
||||
<a href=#280 id=280 data-nosnippet>280</a> <span class="kw">let </span><span class="kw-2">mut </span>c = <span class="number">0</span>;
|
||||
<a href=#281 id=281 data-nosnippet>281</a>
|
||||
<a href=#282 id=282 data-nosnippet>282</a> <span class="kw">for </span>shard <span class="kw">in </span>map.shards() {
|
||||
<a href=#283 id=283 data-nosnippet>283</a> c += <span class="kw">unsafe </span>{ shard.write().iter().count() };
|
||||
<a href=#284 id=284 data-nosnippet>284</a> }
|
||||
<a href=#285 id=285 data-nosnippet>285</a>
|
||||
<a href=#286 id=286 data-nosnippet>286</a> <span class="macro">assert_eq!</span>(c, <span class="number">1</span>);
|
||||
<a href=#287 id=287 data-nosnippet>287</a> }
|
||||
<a href=#288 id=288 data-nosnippet>288</a>
|
||||
<a href=#289 id=289 data-nosnippet>289</a> <span class="attr">#[test]
|
||||
<a href=#290 id=290 data-nosnippet>290</a> </span><span class="kw">fn </span>iter_mut_count() {
|
||||
<a href=#291 id=291 data-nosnippet>291</a> <span class="kw">let </span>map = DashMap::new();
|
||||
<a href=#292 id=292 data-nosnippet>292</a>
|
||||
<a href=#293 id=293 data-nosnippet>293</a> map.insert(<span class="string">"Johnny"</span>, <span class="number">21</span>);
|
||||
<a href=#294 id=294 data-nosnippet>294</a>
|
||||
<a href=#295 id=295 data-nosnippet>295</a> <span class="macro">assert_eq!</span>(map.len(), <span class="number">1</span>);
|
||||
<a href=#296 id=296 data-nosnippet>296</a>
|
||||
<a href=#297 id=297 data-nosnippet>297</a> <span class="macro">assert_eq!</span>(map.iter_mut().count(), <span class="number">1</span>);
|
||||
<a href=#298 id=298 data-nosnippet>298</a> }
|
||||
<a href=#299 id=299 data-nosnippet>299</a>
|
||||
<a href=#300 id=300 data-nosnippet>300</a> <span class="attr">#[test]
|
||||
<a href=#301 id=301 data-nosnippet>301</a> </span><span class="kw">fn </span>iter_count() {
|
||||
<a href=#302 id=302 data-nosnippet>302</a> <span class="kw">let </span>map = DashMap::new();
|
||||
<a href=#303 id=303 data-nosnippet>303</a>
|
||||
<a href=#304 id=304 data-nosnippet>304</a> map.insert(<span class="string">"Johnny"</span>, <span class="number">21</span>);
|
||||
<a href=#305 id=305 data-nosnippet>305</a>
|
||||
<a href=#306 id=306 data-nosnippet>306</a> <span class="macro">assert_eq!</span>(map.len(), <span class="number">1</span>);
|
||||
<a href=#307 id=307 data-nosnippet>307</a>
|
||||
<a href=#308 id=308 data-nosnippet>308</a> <span class="macro">assert_eq!</span>(map.iter().count(), <span class="number">1</span>);
|
||||
<a href=#309 id=309 data-nosnippet>309</a> }
|
||||
<a href=#310 id=310 data-nosnippet>310</a>}
|
||||
</code></pre></div></section></main></body></html>
|
||||
72
target/doc/src/dashmap/iter_set.rs.html
Normal file
72
target/doc/src/dashmap/iter_set.rs.html
Normal file
@@ -0,0 +1,72 @@
|
||||
<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `C:\Users\szend\.cargo\registry\src\index.crates.io-1949cf8c6b5b557f\dashmap-6.1.0\src\iter_set.rs`."><title>iter_set.rs - source</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-6b053e98.ttf.woff2,FiraSans-Italic-81dc35de.woff2,FiraSans-Regular-0fe48ade.woff2,FiraSans-MediumItalic-ccf7e434.woff2,FiraSans-Medium-e1aa3f0a.woff2,SourceCodePro-Regular-8badfe75.ttf.woff2,SourceCodePro-Semibold-aa29a496.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2"href="../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../static.files/normalize-9960930a.css"><link rel="stylesheet" href="../../static.files/rustdoc-ca0dd0c4.css"><meta name="rustdoc-vars" data-root-path="../../" data-static-root-path="../../static.files/" data-current-crate="dashmap" data-themes="" data-resource-suffix="" data-rustdoc-version="1.93.1 (01f6ddf75 2026-02-11)" data-channel="1.93.1" data-search-js="search-9e2438ea.js" data-stringdex-js="stringdex-a3946164.js" data-settings-js="settings-c38705f0.js" ><script src="../../static.files/storage-e2aeef58.js"></script><script defer src="../../static.files/src-script-813739b1.js"></script><script defer src="../../src-files.js"></script><script defer src="../../static.files/main-a410ff4d.js"></script><noscript><link rel="stylesheet" href="../../static.files/noscript-263c88ec.css"></noscript><link rel="alternate icon" type="image/png" href="../../static.files/favicon-32x32-eab170b8.png"><link rel="icon" type="image/svg+xml" href="../../static.files/favicon-044be391.svg"></head><body class="rustdoc src"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="src-sidebar-title"><h2>Files</h2></div></nav><div class="sidebar-resizer" title="Drag to resize sidebar"></div><main><section id="main-content" class="content"><div class="main-heading"><h1><div class="sub-heading">dashmap/</div>iter_set.rs</h1><rustdoc-toolbar></rustdoc-toolbar></div><div class="example-wrap digits-2"><pre class="rust"><code><a href=#1 id=1 data-nosnippet>1</a><span class="kw">use </span><span class="kw">crate</span>::setref::multiple::RefMulti;
|
||||
<a href=#2 id=2 data-nosnippet>2</a><span class="kw">use </span><span class="kw">crate</span>::t::Map;
|
||||
<a href=#3 id=3 data-nosnippet>3</a><span class="kw">use </span>core::hash::{BuildHasher, Hash};
|
||||
<a href=#4 id=4 data-nosnippet>4</a>
|
||||
<a href=#5 id=5 data-nosnippet>5</a><span class="kw">pub struct </span>OwningIter<K, S> {
|
||||
<a href=#6 id=6 data-nosnippet>6</a> inner: <span class="kw">crate</span>::iter::OwningIter<K, (), S>,
|
||||
<a href=#7 id=7 data-nosnippet>7</a>}
|
||||
<a href=#8 id=8 data-nosnippet>8</a>
|
||||
<a href=#9 id=9 data-nosnippet>9</a><span class="kw">impl</span><K: Eq + Hash, S: BuildHasher + Clone> OwningIter<K, S> {
|
||||
<a href=#10 id=10 data-nosnippet>10</a> <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn </span>new(inner: <span class="kw">crate</span>::iter::OwningIter<K, (), S>) -> <span class="self">Self </span>{
|
||||
<a href=#11 id=11 data-nosnippet>11</a> <span class="self">Self </span>{ inner }
|
||||
<a href=#12 id=12 data-nosnippet>12</a> }
|
||||
<a href=#13 id=13 data-nosnippet>13</a>}
|
||||
<a href=#14 id=14 data-nosnippet>14</a>
|
||||
<a href=#15 id=15 data-nosnippet>15</a><span class="kw">impl</span><K: Eq + Hash, S: BuildHasher + Clone> Iterator <span class="kw">for </span>OwningIter<K, S> {
|
||||
<a href=#16 id=16 data-nosnippet>16</a> <span class="kw">type </span>Item = K;
|
||||
<a href=#17 id=17 data-nosnippet>17</a>
|
||||
<a href=#18 id=18 data-nosnippet>18</a> <span class="kw">fn </span>next(<span class="kw-2">&mut </span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><<span class="self">Self</span>::Item> {
|
||||
<a href=#19 id=19 data-nosnippet>19</a> <span class="self">self</span>.inner.next().map(|(k, <span class="kw">_</span>)| k)
|
||||
<a href=#20 id=20 data-nosnippet>20</a> }
|
||||
<a href=#21 id=21 data-nosnippet>21</a>}
|
||||
<a href=#22 id=22 data-nosnippet>22</a>
|
||||
<a href=#23 id=23 data-nosnippet>23</a><span class="kw">unsafe impl</span><K, S> Send <span class="kw">for </span>OwningIter<K, S>
|
||||
<a href=#24 id=24 data-nosnippet>24</a><span class="kw">where
|
||||
<a href=#25 id=25 data-nosnippet>25</a> </span>K: Eq + Hash + Send,
|
||||
<a href=#26 id=26 data-nosnippet>26</a> S: BuildHasher + Clone + Send,
|
||||
<a href=#27 id=27 data-nosnippet>27</a>{
|
||||
<a href=#28 id=28 data-nosnippet>28</a>}
|
||||
<a href=#29 id=29 data-nosnippet>29</a>
|
||||
<a href=#30 id=30 data-nosnippet>30</a><span class="kw">unsafe impl</span><K, S> Sync <span class="kw">for </span>OwningIter<K, S>
|
||||
<a href=#31 id=31 data-nosnippet>31</a><span class="kw">where
|
||||
<a href=#32 id=32 data-nosnippet>32</a> </span>K: Eq + Hash + Sync,
|
||||
<a href=#33 id=33 data-nosnippet>33</a> S: BuildHasher + Clone + Sync,
|
||||
<a href=#34 id=34 data-nosnippet>34</a>{
|
||||
<a href=#35 id=35 data-nosnippet>35</a>}
|
||||
<a href=#36 id=36 data-nosnippet>36</a>
|
||||
<a href=#37 id=37 data-nosnippet>37</a><span class="kw">pub struct </span>Iter<<span class="lifetime">'a</span>, K, S, M> {
|
||||
<a href=#38 id=38 data-nosnippet>38</a> inner: <span class="kw">crate</span>::iter::Iter<<span class="lifetime">'a</span>, K, (), S, M>,
|
||||
<a href=#39 id=39 data-nosnippet>39</a>}
|
||||
<a href=#40 id=40 data-nosnippet>40</a>
|
||||
<a href=#41 id=41 data-nosnippet>41</a><span class="kw">unsafe impl</span><<span class="lifetime">'a</span>, <span class="lifetime">'i</span>, K, S, M> Send <span class="kw">for </span>Iter<<span class="lifetime">'i</span>, K, S, M>
|
||||
<a href=#42 id=42 data-nosnippet>42</a><span class="kw">where
|
||||
<a href=#43 id=43 data-nosnippet>43</a> </span>K: <span class="lifetime">'a </span>+ Eq + Hash + Send,
|
||||
<a href=#44 id=44 data-nosnippet>44</a> S: <span class="lifetime">'a </span>+ BuildHasher + Clone,
|
||||
<a href=#45 id=45 data-nosnippet>45</a> M: Map<<span class="lifetime">'a</span>, K, (), S>,
|
||||
<a href=#46 id=46 data-nosnippet>46</a>{
|
||||
<a href=#47 id=47 data-nosnippet>47</a>}
|
||||
<a href=#48 id=48 data-nosnippet>48</a>
|
||||
<a href=#49 id=49 data-nosnippet>49</a><span class="kw">unsafe impl</span><<span class="lifetime">'a</span>, <span class="lifetime">'i</span>, K, S, M> Sync <span class="kw">for </span>Iter<<span class="lifetime">'i</span>, K, S, M>
|
||||
<a href=#50 id=50 data-nosnippet>50</a><span class="kw">where
|
||||
<a href=#51 id=51 data-nosnippet>51</a> </span>K: <span class="lifetime">'a </span>+ Eq + Hash + Sync,
|
||||
<a href=#52 id=52 data-nosnippet>52</a> S: <span class="lifetime">'a </span>+ BuildHasher + Clone,
|
||||
<a href=#53 id=53 data-nosnippet>53</a> M: Map<<span class="lifetime">'a</span>, K, (), S>,
|
||||
<a href=#54 id=54 data-nosnippet>54</a>{
|
||||
<a href=#55 id=55 data-nosnippet>55</a>}
|
||||
<a href=#56 id=56 data-nosnippet>56</a>
|
||||
<a href=#57 id=57 data-nosnippet>57</a><span class="kw">impl</span><<span class="lifetime">'a</span>, K: Eq + Hash, S: <span class="lifetime">'a </span>+ BuildHasher + Clone, M: Map<<span class="lifetime">'a</span>, K, (), S>> Iter<<span class="lifetime">'a</span>, K, S, M> {
|
||||
<a href=#58 id=58 data-nosnippet>58</a> <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn </span>new(inner: <span class="kw">crate</span>::iter::Iter<<span class="lifetime">'a</span>, K, (), S, M>) -> <span class="self">Self </span>{
|
||||
<a href=#59 id=59 data-nosnippet>59</a> <span class="self">Self </span>{ inner }
|
||||
<a href=#60 id=60 data-nosnippet>60</a> }
|
||||
<a href=#61 id=61 data-nosnippet>61</a>}
|
||||
<a href=#62 id=62 data-nosnippet>62</a>
|
||||
<a href=#63 id=63 data-nosnippet>63</a><span class="kw">impl</span><<span class="lifetime">'a</span>, K: Eq + Hash, S: <span class="lifetime">'a </span>+ BuildHasher + Clone, M: Map<<span class="lifetime">'a</span>, K, (), S>> Iterator
|
||||
<a href=#64 id=64 data-nosnippet>64</a> <span class="kw">for </span>Iter<<span class="lifetime">'a</span>, K, S, M>
|
||||
<a href=#65 id=65 data-nosnippet>65</a>{
|
||||
<a href=#66 id=66 data-nosnippet>66</a> <span class="kw">type </span>Item = RefMulti<<span class="lifetime">'a</span>, K>;
|
||||
<a href=#67 id=67 data-nosnippet>67</a>
|
||||
<a href=#68 id=68 data-nosnippet>68</a> <span class="kw">fn </span>next(<span class="kw-2">&mut </span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><<span class="self">Self</span>::Item> {
|
||||
<a href=#69 id=69 data-nosnippet>69</a> <span class="self">self</span>.inner.next().map(RefMulti::new)
|
||||
<a href=#70 id=70 data-nosnippet>70</a> }
|
||||
<a href=#71 id=71 data-nosnippet>71</a>}
|
||||
</code></pre></div></section></main></body></html>
|
||||
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1548
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target/doc/src/dashmap/lock.rs.html
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|
||||
<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `C:\Users\szend\.cargo\registry\src\index.crates.io-1949cf8c6b5b557f\dashmap-6.1.0\src\lock.rs`."><title>lock.rs - source</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-6b053e98.ttf.woff2,FiraSans-Italic-81dc35de.woff2,FiraSans-Regular-0fe48ade.woff2,FiraSans-MediumItalic-ccf7e434.woff2,FiraSans-Medium-e1aa3f0a.woff2,SourceCodePro-Regular-8badfe75.ttf.woff2,SourceCodePro-Semibold-aa29a496.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2"href="../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../static.files/normalize-9960930a.css"><link rel="stylesheet" href="../../static.files/rustdoc-ca0dd0c4.css"><meta name="rustdoc-vars" data-root-path="../../" data-static-root-path="../../static.files/" data-current-crate="dashmap" data-themes="" data-resource-suffix="" data-rustdoc-version="1.93.1 (01f6ddf75 2026-02-11)" data-channel="1.93.1" data-search-js="search-9e2438ea.js" data-stringdex-js="stringdex-a3946164.js" data-settings-js="settings-c38705f0.js" ><script src="../../static.files/storage-e2aeef58.js"></script><script defer src="../../static.files/src-script-813739b1.js"></script><script defer src="../../src-files.js"></script><script defer src="../../static.files/main-a410ff4d.js"></script><noscript><link rel="stylesheet" href="../../static.files/noscript-263c88ec.css"></noscript><link rel="alternate icon" type="image/png" href="../../static.files/favicon-32x32-eab170b8.png"><link rel="icon" type="image/svg+xml" href="../../static.files/favicon-044be391.svg"></head><body class="rustdoc src"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="src-sidebar-title"><h2>Files</h2></div></nav><div class="sidebar-resizer" title="Drag to resize sidebar"></div><main><section id="main-content" class="content"><div class="main-heading"><h1><div class="sub-heading">dashmap/</div>lock.rs</h1><rustdoc-toolbar></rustdoc-toolbar></div><div class="example-wrap digits-3"><pre class="rust"><code><a href=#1 id=1 data-nosnippet>1</a><span class="kw">use </span>core::sync::atomic::{AtomicUsize, Ordering};
|
||||
<a href=#2 id=2 data-nosnippet>2</a><span class="kw">use </span>parking_lot_core::{ParkToken, SpinWait, UnparkToken};
|
||||
<a href=#3 id=3 data-nosnippet>3</a>
|
||||
<a href=#4 id=4 data-nosnippet>4</a><span class="kw">pub type </span>RwLock<T> = lock_api::RwLock<RawRwLock, T>;
|
||||
<a href=#5 id=5 data-nosnippet>5</a><span class="kw">pub type </span>RwLockReadGuard<<span class="lifetime">'a</span>, T> = lock_api::RwLockReadGuard<<span class="lifetime">'a</span>, RawRwLock, T>;
|
||||
<a href=#6 id=6 data-nosnippet>6</a><span class="kw">pub type </span>RwLockWriteGuard<<span class="lifetime">'a</span>, T> = lock_api::RwLockWriteGuard<<span class="lifetime">'a</span>, RawRwLock, T>;
|
||||
<a href=#7 id=7 data-nosnippet>7</a>
|
||||
<a href=#8 id=8 data-nosnippet>8</a><span class="kw">const </span>READERS_PARKED: usize = <span class="number">0b0001</span>;
|
||||
<a href=#9 id=9 data-nosnippet>9</a><span class="kw">const </span>WRITERS_PARKED: usize = <span class="number">0b0010</span>;
|
||||
<a href=#10 id=10 data-nosnippet>10</a><span class="kw">const </span>ONE_READER: usize = <span class="number">0b0100</span>;
|
||||
<a href=#11 id=11 data-nosnippet>11</a><span class="kw">const </span>ONE_WRITER: usize = !(READERS_PARKED | WRITERS_PARKED);
|
||||
<a href=#12 id=12 data-nosnippet>12</a>
|
||||
<a href=#13 id=13 data-nosnippet>13</a><span class="kw">pub struct </span>RawRwLock {
|
||||
<a href=#14 id=14 data-nosnippet>14</a> state: AtomicUsize,
|
||||
<a href=#15 id=15 data-nosnippet>15</a>}
|
||||
<a href=#16 id=16 data-nosnippet>16</a>
|
||||
<a href=#17 id=17 data-nosnippet>17</a><span class="kw">unsafe impl </span>lock_api::RawRwLock <span class="kw">for </span>RawRwLock {
|
||||
<a href=#18 id=18 data-nosnippet>18</a> <span class="attr">#[allow(clippy::declare_interior_mutable_const)]
|
||||
<a href=#19 id=19 data-nosnippet>19</a> </span><span class="kw">const </span>INIT: <span class="self">Self </span>= <span class="self">Self </span>{
|
||||
<a href=#20 id=20 data-nosnippet>20</a> state: AtomicUsize::new(<span class="number">0</span>),
|
||||
<a href=#21 id=21 data-nosnippet>21</a> };
|
||||
<a href=#22 id=22 data-nosnippet>22</a>
|
||||
<a href=#23 id=23 data-nosnippet>23</a> <span class="kw">type </span>GuardMarker = lock_api::GuardNoSend;
|
||||
<a href=#24 id=24 data-nosnippet>24</a>
|
||||
<a href=#25 id=25 data-nosnippet>25</a> <span class="attr">#[inline]
|
||||
<a href=#26 id=26 data-nosnippet>26</a> </span><span class="kw">fn </span>try_lock_exclusive(<span class="kw-2">&</span><span class="self">self</span>) -> bool {
|
||||
<a href=#27 id=27 data-nosnippet>27</a> <span class="self">self</span>.state
|
||||
<a href=#28 id=28 data-nosnippet>28</a> .compare_exchange(<span class="number">0</span>, ONE_WRITER, Ordering::Acquire, Ordering::Relaxed)
|
||||
<a href=#29 id=29 data-nosnippet>29</a> .is_ok()
|
||||
<a href=#30 id=30 data-nosnippet>30</a> }
|
||||
<a href=#31 id=31 data-nosnippet>31</a>
|
||||
<a href=#32 id=32 data-nosnippet>32</a> <span class="attr">#[inline]
|
||||
<a href=#33 id=33 data-nosnippet>33</a> </span><span class="kw">fn </span>lock_exclusive(<span class="kw-2">&</span><span class="self">self</span>) {
|
||||
<a href=#34 id=34 data-nosnippet>34</a> <span class="kw">if </span><span class="self">self
|
||||
<a href=#35 id=35 data-nosnippet>35</a> </span>.state
|
||||
<a href=#36 id=36 data-nosnippet>36</a> .compare_exchange_weak(<span class="number">0</span>, ONE_WRITER, Ordering::Acquire, Ordering::Relaxed)
|
||||
<a href=#37 id=37 data-nosnippet>37</a> .is_err()
|
||||
<a href=#38 id=38 data-nosnippet>38</a> {
|
||||
<a href=#39 id=39 data-nosnippet>39</a> <span class="self">self</span>.lock_exclusive_slow();
|
||||
<a href=#40 id=40 data-nosnippet>40</a> }
|
||||
<a href=#41 id=41 data-nosnippet>41</a> }
|
||||
<a href=#42 id=42 data-nosnippet>42</a>
|
||||
<a href=#43 id=43 data-nosnippet>43</a> <span class="attr">#[inline]
|
||||
<a href=#44 id=44 data-nosnippet>44</a> </span><span class="kw">unsafe fn </span>unlock_exclusive(<span class="kw-2">&</span><span class="self">self</span>) {
|
||||
<a href=#45 id=45 data-nosnippet>45</a> <span class="kw">if </span><span class="self">self
|
||||
<a href=#46 id=46 data-nosnippet>46</a> </span>.state
|
||||
<a href=#47 id=47 data-nosnippet>47</a> .compare_exchange(ONE_WRITER, <span class="number">0</span>, Ordering::Release, Ordering::Relaxed)
|
||||
<a href=#48 id=48 data-nosnippet>48</a> .is_err()
|
||||
<a href=#49 id=49 data-nosnippet>49</a> {
|
||||
<a href=#50 id=50 data-nosnippet>50</a> <span class="self">self</span>.unlock_exclusive_slow();
|
||||
<a href=#51 id=51 data-nosnippet>51</a> }
|
||||
<a href=#52 id=52 data-nosnippet>52</a> }
|
||||
<a href=#53 id=53 data-nosnippet>53</a>
|
||||
<a href=#54 id=54 data-nosnippet>54</a> <span class="attr">#[inline]
|
||||
<a href=#55 id=55 data-nosnippet>55</a> </span><span class="kw">fn </span>try_lock_shared(<span class="kw-2">&</span><span class="self">self</span>) -> bool {
|
||||
<a href=#56 id=56 data-nosnippet>56</a> <span class="self">self</span>.try_lock_shared_fast() || <span class="self">self</span>.try_lock_shared_slow()
|
||||
<a href=#57 id=57 data-nosnippet>57</a> }
|
||||
<a href=#58 id=58 data-nosnippet>58</a>
|
||||
<a href=#59 id=59 data-nosnippet>59</a> <span class="attr">#[inline]
|
||||
<a href=#60 id=60 data-nosnippet>60</a> </span><span class="kw">fn </span>lock_shared(<span class="kw-2">&</span><span class="self">self</span>) {
|
||||
<a href=#61 id=61 data-nosnippet>61</a> <span class="kw">if </span>!<span class="self">self</span>.try_lock_shared_fast() {
|
||||
<a href=#62 id=62 data-nosnippet>62</a> <span class="self">self</span>.lock_shared_slow();
|
||||
<a href=#63 id=63 data-nosnippet>63</a> }
|
||||
<a href=#64 id=64 data-nosnippet>64</a> }
|
||||
<a href=#65 id=65 data-nosnippet>65</a>
|
||||
<a href=#66 id=66 data-nosnippet>66</a> <span class="attr">#[inline]
|
||||
<a href=#67 id=67 data-nosnippet>67</a> </span><span class="kw">unsafe fn </span>unlock_shared(<span class="kw-2">&</span><span class="self">self</span>) {
|
||||
<a href=#68 id=68 data-nosnippet>68</a> <span class="kw">let </span>state = <span class="self">self</span>.state.fetch_sub(ONE_READER, Ordering::Release);
|
||||
<a href=#69 id=69 data-nosnippet>69</a>
|
||||
<a href=#70 id=70 data-nosnippet>70</a> <span class="kw">if </span>state == (ONE_READER | WRITERS_PARKED) {
|
||||
<a href=#71 id=71 data-nosnippet>71</a> <span class="self">self</span>.unlock_shared_slow();
|
||||
<a href=#72 id=72 data-nosnippet>72</a> }
|
||||
<a href=#73 id=73 data-nosnippet>73</a> }
|
||||
<a href=#74 id=74 data-nosnippet>74</a>}
|
||||
<a href=#75 id=75 data-nosnippet>75</a>
|
||||
<a href=#76 id=76 data-nosnippet>76</a><span class="kw">unsafe impl </span>lock_api::RawRwLockDowngrade <span class="kw">for </span>RawRwLock {
|
||||
<a href=#77 id=77 data-nosnippet>77</a> <span class="attr">#[inline]
|
||||
<a href=#78 id=78 data-nosnippet>78</a> </span><span class="kw">unsafe fn </span>downgrade(<span class="kw-2">&</span><span class="self">self</span>) {
|
||||
<a href=#79 id=79 data-nosnippet>79</a> <span class="kw">let </span>state = <span class="self">self
|
||||
<a href=#80 id=80 data-nosnippet>80</a> </span>.state
|
||||
<a href=#81 id=81 data-nosnippet>81</a> .fetch_and(ONE_READER | WRITERS_PARKED, Ordering::Release);
|
||||
<a href=#82 id=82 data-nosnippet>82</a> <span class="kw">if </span>state & <span class="macro">READERS_PARKED !</span>= <span class="number">0 </span>{
|
||||
<a href=#83 id=83 data-nosnippet>83</a> parking_lot_core::unpark_all((<span class="self">self </span><span class="kw">as </span><span class="kw-2">*const </span><span class="kw">_ as </span>usize) + <span class="number">1</span>, UnparkToken(<span class="number">0</span>));
|
||||
<a href=#84 id=84 data-nosnippet>84</a> }
|
||||
<a href=#85 id=85 data-nosnippet>85</a> }
|
||||
<a href=#86 id=86 data-nosnippet>86</a>}
|
||||
<a href=#87 id=87 data-nosnippet>87</a>
|
||||
<a href=#88 id=88 data-nosnippet>88</a><span class="kw">impl </span>RawRwLock {
|
||||
<a href=#89 id=89 data-nosnippet>89</a> <span class="attr">#[cold]
|
||||
<a href=#90 id=90 data-nosnippet>90</a> </span><span class="kw">fn </span>lock_exclusive_slow(<span class="kw-2">&</span><span class="self">self</span>) {
|
||||
<a href=#91 id=91 data-nosnippet>91</a> <span class="kw">let </span><span class="kw-2">mut </span>acquire_with = <span class="number">0</span>;
|
||||
<a href=#92 id=92 data-nosnippet>92</a> <span class="kw">loop </span>{
|
||||
<a href=#93 id=93 data-nosnippet>93</a> <span class="kw">let </span><span class="kw-2">mut </span>spin = SpinWait::new();
|
||||
<a href=#94 id=94 data-nosnippet>94</a> <span class="kw">let </span><span class="kw-2">mut </span>state = <span class="self">self</span>.state.load(Ordering::Relaxed);
|
||||
<a href=#95 id=95 data-nosnippet>95</a>
|
||||
<a href=#96 id=96 data-nosnippet>96</a> <span class="kw">loop </span>{
|
||||
<a href=#97 id=97 data-nosnippet>97</a> <span class="kw">while </span>state & ONE_WRITER == <span class="number">0 </span>{
|
||||
<a href=#98 id=98 data-nosnippet>98</a> <span class="kw">match </span><span class="self">self</span>.state.compare_exchange_weak(
|
||||
<a href=#99 id=99 data-nosnippet>99</a> state,
|
||||
<a href=#100 id=100 data-nosnippet>100</a> state | ONE_WRITER | acquire_with,
|
||||
<a href=#101 id=101 data-nosnippet>101</a> Ordering::Acquire,
|
||||
<a href=#102 id=102 data-nosnippet>102</a> Ordering::Relaxed,
|
||||
<a href=#103 id=103 data-nosnippet>103</a> ) {
|
||||
<a href=#104 id=104 data-nosnippet>104</a> <span class="prelude-val">Ok</span>(<span class="kw">_</span>) => <span class="kw">return</span>,
|
||||
<a href=#105 id=105 data-nosnippet>105</a> <span class="prelude-val">Err</span>(e) => state = e,
|
||||
<a href=#106 id=106 data-nosnippet>106</a> }
|
||||
<a href=#107 id=107 data-nosnippet>107</a> }
|
||||
<a href=#108 id=108 data-nosnippet>108</a>
|
||||
<a href=#109 id=109 data-nosnippet>109</a> <span class="kw">if </span>state & WRITERS_PARKED == <span class="number">0 </span>{
|
||||
<a href=#110 id=110 data-nosnippet>110</a> <span class="kw">if </span>spin.spin() {
|
||||
<a href=#111 id=111 data-nosnippet>111</a> state = <span class="self">self</span>.state.load(Ordering::Relaxed);
|
||||
<a href=#112 id=112 data-nosnippet>112</a> <span class="kw">continue</span>;
|
||||
<a href=#113 id=113 data-nosnippet>113</a> }
|
||||
<a href=#114 id=114 data-nosnippet>114</a>
|
||||
<a href=#115 id=115 data-nosnippet>115</a> <span class="kw">if let </span><span class="prelude-val">Err</span>(e) = <span class="self">self</span>.state.compare_exchange_weak(
|
||||
<a href=#116 id=116 data-nosnippet>116</a> state,
|
||||
<a href=#117 id=117 data-nosnippet>117</a> state | WRITERS_PARKED,
|
||||
<a href=#118 id=118 data-nosnippet>118</a> Ordering::Relaxed,
|
||||
<a href=#119 id=119 data-nosnippet>119</a> Ordering::Relaxed,
|
||||
<a href=#120 id=120 data-nosnippet>120</a> ) {
|
||||
<a href=#121 id=121 data-nosnippet>121</a> state = e;
|
||||
<a href=#122 id=122 data-nosnippet>122</a> <span class="kw">continue</span>;
|
||||
<a href=#123 id=123 data-nosnippet>123</a> }
|
||||
<a href=#124 id=124 data-nosnippet>124</a> }
|
||||
<a href=#125 id=125 data-nosnippet>125</a>
|
||||
<a href=#126 id=126 data-nosnippet>126</a> <span class="kw">let _ </span>= <span class="kw">unsafe </span>{
|
||||
<a href=#127 id=127 data-nosnippet>127</a> parking_lot_core::park(
|
||||
<a href=#128 id=128 data-nosnippet>128</a> <span class="self">self </span><span class="kw">as </span><span class="kw-2">*const </span><span class="kw">_ as </span>usize,
|
||||
<a href=#129 id=129 data-nosnippet>129</a> || {
|
||||
<a href=#130 id=130 data-nosnippet>130</a> <span class="kw">let </span>state = <span class="self">self</span>.state.load(Ordering::Relaxed);
|
||||
<a href=#131 id=131 data-nosnippet>131</a> (state & <span class="macro">ONE_WRITER !</span>= <span class="number">0</span>) && (state & <span class="macro">WRITERS_PARKED !</span>= <span class="number">0</span>)
|
||||
<a href=#132 id=132 data-nosnippet>132</a> },
|
||||
<a href=#133 id=133 data-nosnippet>133</a> || {},
|
||||
<a href=#134 id=134 data-nosnippet>134</a> |<span class="kw">_</span>, <span class="kw">_</span>| {},
|
||||
<a href=#135 id=135 data-nosnippet>135</a> ParkToken(<span class="number">0</span>),
|
||||
<a href=#136 id=136 data-nosnippet>136</a> <span class="prelude-val">None</span>,
|
||||
<a href=#137 id=137 data-nosnippet>137</a> )
|
||||
<a href=#138 id=138 data-nosnippet>138</a> };
|
||||
<a href=#139 id=139 data-nosnippet>139</a>
|
||||
<a href=#140 id=140 data-nosnippet>140</a> acquire_with = WRITERS_PARKED;
|
||||
<a href=#141 id=141 data-nosnippet>141</a> <span class="kw">break</span>;
|
||||
<a href=#142 id=142 data-nosnippet>142</a> }
|
||||
<a href=#143 id=143 data-nosnippet>143</a> }
|
||||
<a href=#144 id=144 data-nosnippet>144</a> }
|
||||
<a href=#145 id=145 data-nosnippet>145</a>
|
||||
<a href=#146 id=146 data-nosnippet>146</a> <span class="attr">#[cold]
|
||||
<a href=#147 id=147 data-nosnippet>147</a> </span><span class="kw">fn </span>unlock_exclusive_slow(<span class="kw-2">&</span><span class="self">self</span>) {
|
||||
<a href=#148 id=148 data-nosnippet>148</a> <span class="kw">let </span>state = <span class="self">self</span>.state.load(Ordering::Relaxed);
|
||||
<a href=#149 id=149 data-nosnippet>149</a> <span class="macro">assert_eq!</span>(state & ONE_WRITER, ONE_WRITER);
|
||||
<a href=#150 id=150 data-nosnippet>150</a>
|
||||
<a href=#151 id=151 data-nosnippet>151</a> <span class="kw">let </span><span class="kw-2">mut </span>parked = state & (READERS_PARKED | WRITERS_PARKED);
|
||||
<a href=#152 id=152 data-nosnippet>152</a> <span class="macro">assert_ne!</span>(parked, <span class="number">0</span>);
|
||||
<a href=#153 id=153 data-nosnippet>153</a>
|
||||
<a href=#154 id=154 data-nosnippet>154</a> <span class="kw">if </span><span class="macro">parked !</span>= (READERS_PARKED | WRITERS_PARKED) {
|
||||
<a href=#155 id=155 data-nosnippet>155</a> <span class="kw">if let </span><span class="prelude-val">Err</span>(new_state) =
|
||||
<a href=#156 id=156 data-nosnippet>156</a> <span class="self">self</span>.state
|
||||
<a href=#157 id=157 data-nosnippet>157</a> .compare_exchange(state, <span class="number">0</span>, Ordering::Release, Ordering::Relaxed)
|
||||
<a href=#158 id=158 data-nosnippet>158</a> {
|
||||
<a href=#159 id=159 data-nosnippet>159</a> <span class="macro">assert_eq!</span>(new_state, ONE_WRITER | READERS_PARKED | WRITERS_PARKED);
|
||||
<a href=#160 id=160 data-nosnippet>160</a> parked = READERS_PARKED | WRITERS_PARKED;
|
||||
<a href=#161 id=161 data-nosnippet>161</a> }
|
||||
<a href=#162 id=162 data-nosnippet>162</a> }
|
||||
<a href=#163 id=163 data-nosnippet>163</a>
|
||||
<a href=#164 id=164 data-nosnippet>164</a> <span class="kw">if </span>parked == (READERS_PARKED | WRITERS_PARKED) {
|
||||
<a href=#165 id=165 data-nosnippet>165</a> <span class="self">self</span>.state.store(WRITERS_PARKED, Ordering::Release);
|
||||
<a href=#166 id=166 data-nosnippet>166</a> parked = READERS_PARKED;
|
||||
<a href=#167 id=167 data-nosnippet>167</a> }
|
||||
<a href=#168 id=168 data-nosnippet>168</a>
|
||||
<a href=#169 id=169 data-nosnippet>169</a> <span class="kw">if </span>parked == READERS_PARKED {
|
||||
<a href=#170 id=170 data-nosnippet>170</a> <span class="kw">return unsafe </span>{
|
||||
<a href=#171 id=171 data-nosnippet>171</a> parking_lot_core::unpark_all((<span class="self">self </span><span class="kw">as </span><span class="kw-2">*const </span><span class="kw">_ as </span>usize) + <span class="number">1</span>, UnparkToken(<span class="number">0</span>));
|
||||
<a href=#172 id=172 data-nosnippet>172</a> };
|
||||
<a href=#173 id=173 data-nosnippet>173</a> }
|
||||
<a href=#174 id=174 data-nosnippet>174</a>
|
||||
<a href=#175 id=175 data-nosnippet>175</a> <span class="macro">assert_eq!</span>(parked, WRITERS_PARKED);
|
||||
<a href=#176 id=176 data-nosnippet>176</a> <span class="kw">unsafe </span>{
|
||||
<a href=#177 id=177 data-nosnippet>177</a> parking_lot_core::unpark_one(<span class="self">self </span><span class="kw">as </span><span class="kw-2">*const </span><span class="kw">_ as </span>usize, |<span class="kw">_</span>| UnparkToken(<span class="number">0</span>));
|
||||
<a href=#178 id=178 data-nosnippet>178</a> }
|
||||
<a href=#179 id=179 data-nosnippet>179</a> }
|
||||
<a href=#180 id=180 data-nosnippet>180</a>
|
||||
<a href=#181 id=181 data-nosnippet>181</a> <span class="attr">#[inline(always)]
|
||||
<a href=#182 id=182 data-nosnippet>182</a> </span><span class="kw">fn </span>try_lock_shared_fast(<span class="kw-2">&</span><span class="self">self</span>) -> bool {
|
||||
<a href=#183 id=183 data-nosnippet>183</a> <span class="kw">let </span>state = <span class="self">self</span>.state.load(Ordering::Relaxed);
|
||||
<a href=#184 id=184 data-nosnippet>184</a>
|
||||
<a href=#185 id=185 data-nosnippet>185</a> <span class="kw">if let </span><span class="prelude-val">Some</span>(new_state) = state.checked_add(ONE_READER) {
|
||||
<a href=#186 id=186 data-nosnippet>186</a> <span class="kw">if </span>new_state & <span class="macro">ONE_WRITER !</span>= ONE_WRITER {
|
||||
<a href=#187 id=187 data-nosnippet>187</a> <span class="kw">return </span><span class="self">self
|
||||
<a href=#188 id=188 data-nosnippet>188</a> </span>.state
|
||||
<a href=#189 id=189 data-nosnippet>189</a> .compare_exchange_weak(state, new_state, Ordering::Acquire, Ordering::Relaxed)
|
||||
<a href=#190 id=190 data-nosnippet>190</a> .is_ok();
|
||||
<a href=#191 id=191 data-nosnippet>191</a> }
|
||||
<a href=#192 id=192 data-nosnippet>192</a> }
|
||||
<a href=#193 id=193 data-nosnippet>193</a>
|
||||
<a href=#194 id=194 data-nosnippet>194</a> <span class="bool-val">false
|
||||
<a href=#195 id=195 data-nosnippet>195</a> </span>}
|
||||
<a href=#196 id=196 data-nosnippet>196</a>
|
||||
<a href=#197 id=197 data-nosnippet>197</a> <span class="attr">#[cold]
|
||||
<a href=#198 id=198 data-nosnippet>198</a> </span><span class="kw">fn </span>try_lock_shared_slow(<span class="kw-2">&</span><span class="self">self</span>) -> bool {
|
||||
<a href=#199 id=199 data-nosnippet>199</a> <span class="kw">let </span><span class="kw-2">mut </span>state = <span class="self">self</span>.state.load(Ordering::Relaxed);
|
||||
<a href=#200 id=200 data-nosnippet>200</a>
|
||||
<a href=#201 id=201 data-nosnippet>201</a> <span class="kw">while let </span><span class="prelude-val">Some</span>(new_state) = state.checked_add(ONE_READER) {
|
||||
<a href=#202 id=202 data-nosnippet>202</a> <span class="kw">if </span>new_state & ONE_WRITER == ONE_WRITER {
|
||||
<a href=#203 id=203 data-nosnippet>203</a> <span class="kw">break</span>;
|
||||
<a href=#204 id=204 data-nosnippet>204</a> }
|
||||
<a href=#205 id=205 data-nosnippet>205</a>
|
||||
<a href=#206 id=206 data-nosnippet>206</a> <span class="kw">match </span><span class="self">self</span>.state.compare_exchange_weak(
|
||||
<a href=#207 id=207 data-nosnippet>207</a> state,
|
||||
<a href=#208 id=208 data-nosnippet>208</a> new_state,
|
||||
<a href=#209 id=209 data-nosnippet>209</a> Ordering::Acquire,
|
||||
<a href=#210 id=210 data-nosnippet>210</a> Ordering::Relaxed,
|
||||
<a href=#211 id=211 data-nosnippet>211</a> ) {
|
||||
<a href=#212 id=212 data-nosnippet>212</a> <span class="prelude-val">Ok</span>(<span class="kw">_</span>) => <span class="kw">return </span><span class="bool-val">true</span>,
|
||||
<a href=#213 id=213 data-nosnippet>213</a> <span class="prelude-val">Err</span>(e) => state = e,
|
||||
<a href=#214 id=214 data-nosnippet>214</a> }
|
||||
<a href=#215 id=215 data-nosnippet>215</a> }
|
||||
<a href=#216 id=216 data-nosnippet>216</a>
|
||||
<a href=#217 id=217 data-nosnippet>217</a> <span class="bool-val">false
|
||||
<a href=#218 id=218 data-nosnippet>218</a> </span>}
|
||||
<a href=#219 id=219 data-nosnippet>219</a>
|
||||
<a href=#220 id=220 data-nosnippet>220</a> <span class="attr">#[cold]
|
||||
<a href=#221 id=221 data-nosnippet>221</a> </span><span class="kw">fn </span>lock_shared_slow(<span class="kw-2">&</span><span class="self">self</span>) {
|
||||
<a href=#222 id=222 data-nosnippet>222</a> <span class="kw">loop </span>{
|
||||
<a href=#223 id=223 data-nosnippet>223</a> <span class="kw">let </span><span class="kw-2">mut </span>spin = SpinWait::new();
|
||||
<a href=#224 id=224 data-nosnippet>224</a> <span class="kw">let </span><span class="kw-2">mut </span>state = <span class="self">self</span>.state.load(Ordering::Relaxed);
|
||||
<a href=#225 id=225 data-nosnippet>225</a>
|
||||
<a href=#226 id=226 data-nosnippet>226</a> <span class="kw">loop </span>{
|
||||
<a href=#227 id=227 data-nosnippet>227</a> <span class="kw">let </span><span class="kw-2">mut </span>backoff = SpinWait::new();
|
||||
<a href=#228 id=228 data-nosnippet>228</a> <span class="kw">while let </span><span class="prelude-val">Some</span>(new_state) = state.checked_add(ONE_READER) {
|
||||
<a href=#229 id=229 data-nosnippet>229</a> <span class="macro">assert_ne!</span>(
|
||||
<a href=#230 id=230 data-nosnippet>230</a> new_state & ONE_WRITER,
|
||||
<a href=#231 id=231 data-nosnippet>231</a> ONE_WRITER,
|
||||
<a href=#232 id=232 data-nosnippet>232</a> <span class="string">"reader count overflowed"</span>,
|
||||
<a href=#233 id=233 data-nosnippet>233</a> );
|
||||
<a href=#234 id=234 data-nosnippet>234</a>
|
||||
<a href=#235 id=235 data-nosnippet>235</a> <span class="kw">if </span><span class="self">self
|
||||
<a href=#236 id=236 data-nosnippet>236</a> </span>.state
|
||||
<a href=#237 id=237 data-nosnippet>237</a> .compare_exchange_weak(
|
||||
<a href=#238 id=238 data-nosnippet>238</a> state,
|
||||
<a href=#239 id=239 data-nosnippet>239</a> new_state,
|
||||
<a href=#240 id=240 data-nosnippet>240</a> Ordering::Acquire,
|
||||
<a href=#241 id=241 data-nosnippet>241</a> Ordering::Relaxed,
|
||||
<a href=#242 id=242 data-nosnippet>242</a> )
|
||||
<a href=#243 id=243 data-nosnippet>243</a> .is_ok()
|
||||
<a href=#244 id=244 data-nosnippet>244</a> {
|
||||
<a href=#245 id=245 data-nosnippet>245</a> <span class="kw">return</span>;
|
||||
<a href=#246 id=246 data-nosnippet>246</a> }
|
||||
<a href=#247 id=247 data-nosnippet>247</a>
|
||||
<a href=#248 id=248 data-nosnippet>248</a> backoff.spin_no_yield();
|
||||
<a href=#249 id=249 data-nosnippet>249</a> state = <span class="self">self</span>.state.load(Ordering::Relaxed);
|
||||
<a href=#250 id=250 data-nosnippet>250</a> }
|
||||
<a href=#251 id=251 data-nosnippet>251</a>
|
||||
<a href=#252 id=252 data-nosnippet>252</a> <span class="kw">if </span>state & READERS_PARKED == <span class="number">0 </span>{
|
||||
<a href=#253 id=253 data-nosnippet>253</a> <span class="kw">if </span>spin.spin() {
|
||||
<a href=#254 id=254 data-nosnippet>254</a> state = <span class="self">self</span>.state.load(Ordering::Relaxed);
|
||||
<a href=#255 id=255 data-nosnippet>255</a> <span class="kw">continue</span>;
|
||||
<a href=#256 id=256 data-nosnippet>256</a> }
|
||||
<a href=#257 id=257 data-nosnippet>257</a>
|
||||
<a href=#258 id=258 data-nosnippet>258</a> <span class="kw">if let </span><span class="prelude-val">Err</span>(e) = <span class="self">self</span>.state.compare_exchange_weak(
|
||||
<a href=#259 id=259 data-nosnippet>259</a> state,
|
||||
<a href=#260 id=260 data-nosnippet>260</a> state | READERS_PARKED,
|
||||
<a href=#261 id=261 data-nosnippet>261</a> Ordering::Relaxed,
|
||||
<a href=#262 id=262 data-nosnippet>262</a> Ordering::Relaxed,
|
||||
<a href=#263 id=263 data-nosnippet>263</a> ) {
|
||||
<a href=#264 id=264 data-nosnippet>264</a> state = e;
|
||||
<a href=#265 id=265 data-nosnippet>265</a> <span class="kw">continue</span>;
|
||||
<a href=#266 id=266 data-nosnippet>266</a> }
|
||||
<a href=#267 id=267 data-nosnippet>267</a> }
|
||||
<a href=#268 id=268 data-nosnippet>268</a>
|
||||
<a href=#269 id=269 data-nosnippet>269</a> <span class="kw">let _ </span>= <span class="kw">unsafe </span>{
|
||||
<a href=#270 id=270 data-nosnippet>270</a> parking_lot_core::park(
|
||||
<a href=#271 id=271 data-nosnippet>271</a> (<span class="self">self </span><span class="kw">as </span><span class="kw-2">*const </span><span class="kw">_ as </span>usize) + <span class="number">1</span>,
|
||||
<a href=#272 id=272 data-nosnippet>272</a> || {
|
||||
<a href=#273 id=273 data-nosnippet>273</a> <span class="kw">let </span>state = <span class="self">self</span>.state.load(Ordering::Relaxed);
|
||||
<a href=#274 id=274 data-nosnippet>274</a> (state & ONE_WRITER == ONE_WRITER) && (state & <span class="macro">READERS_PARKED !</span>= <span class="number">0</span>)
|
||||
<a href=#275 id=275 data-nosnippet>275</a> },
|
||||
<a href=#276 id=276 data-nosnippet>276</a> || {},
|
||||
<a href=#277 id=277 data-nosnippet>277</a> |<span class="kw">_</span>, <span class="kw">_</span>| {},
|
||||
<a href=#278 id=278 data-nosnippet>278</a> ParkToken(<span class="number">0</span>),
|
||||
<a href=#279 id=279 data-nosnippet>279</a> <span class="prelude-val">None</span>,
|
||||
<a href=#280 id=280 data-nosnippet>280</a> )
|
||||
<a href=#281 id=281 data-nosnippet>281</a> };
|
||||
<a href=#282 id=282 data-nosnippet>282</a>
|
||||
<a href=#283 id=283 data-nosnippet>283</a> <span class="kw">break</span>;
|
||||
<a href=#284 id=284 data-nosnippet>284</a> }
|
||||
<a href=#285 id=285 data-nosnippet>285</a> }
|
||||
<a href=#286 id=286 data-nosnippet>286</a> }
|
||||
<a href=#287 id=287 data-nosnippet>287</a>
|
||||
<a href=#288 id=288 data-nosnippet>288</a> <span class="attr">#[cold]
|
||||
<a href=#289 id=289 data-nosnippet>289</a> </span><span class="kw">fn </span>unlock_shared_slow(<span class="kw-2">&</span><span class="self">self</span>) {
|
||||
<a href=#290 id=290 data-nosnippet>290</a> <span class="kw">if </span><span class="self">self
|
||||
<a href=#291 id=291 data-nosnippet>291</a> </span>.state
|
||||
<a href=#292 id=292 data-nosnippet>292</a> .compare_exchange(WRITERS_PARKED, <span class="number">0</span>, Ordering::Relaxed, Ordering::Relaxed)
|
||||
<a href=#293 id=293 data-nosnippet>293</a> .is_ok()
|
||||
<a href=#294 id=294 data-nosnippet>294</a> {
|
||||
<a href=#295 id=295 data-nosnippet>295</a> <span class="kw">unsafe </span>{
|
||||
<a href=#296 id=296 data-nosnippet>296</a> parking_lot_core::unpark_one(<span class="self">self </span><span class="kw">as </span><span class="kw-2">*const </span><span class="kw">_ as </span>usize, |<span class="kw">_</span>| UnparkToken(<span class="number">0</span>));
|
||||
<a href=#297 id=297 data-nosnippet>297</a> }
|
||||
<a href=#298 id=298 data-nosnippet>298</a> }
|
||||
<a href=#299 id=299 data-nosnippet>299</a> }
|
||||
<a href=#300 id=300 data-nosnippet>300</a>}
|
||||
</code></pre></div></section></main></body></html>
|
||||
284
target/doc/src/dashmap/mapref/entry.rs.html
Normal file
284
target/doc/src/dashmap/mapref/entry.rs.html
Normal file
@@ -0,0 +1,284 @@
|
||||
<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `C:\Users\szend\.cargo\registry\src\index.crates.io-1949cf8c6b5b557f\dashmap-6.1.0\src\mapref\entry.rs`."><title>entry.rs - source</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-6b053e98.ttf.woff2,FiraSans-Italic-81dc35de.woff2,FiraSans-Regular-0fe48ade.woff2,FiraSans-MediumItalic-ccf7e434.woff2,FiraSans-Medium-e1aa3f0a.woff2,SourceCodePro-Regular-8badfe75.ttf.woff2,SourceCodePro-Semibold-aa29a496.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2"href="../../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../../static.files/normalize-9960930a.css"><link rel="stylesheet" href="../../../static.files/rustdoc-ca0dd0c4.css"><meta name="rustdoc-vars" data-root-path="../../../" data-static-root-path="../../../static.files/" data-current-crate="dashmap" data-themes="" data-resource-suffix="" data-rustdoc-version="1.93.1 (01f6ddf75 2026-02-11)" data-channel="1.93.1" data-search-js="search-9e2438ea.js" data-stringdex-js="stringdex-a3946164.js" data-settings-js="settings-c38705f0.js" ><script src="../../../static.files/storage-e2aeef58.js"></script><script defer src="../../../static.files/src-script-813739b1.js"></script><script defer src="../../../src-files.js"></script><script defer src="../../../static.files/main-a410ff4d.js"></script><noscript><link rel="stylesheet" href="../../../static.files/noscript-263c88ec.css"></noscript><link rel="alternate icon" type="image/png" href="../../../static.files/favicon-32x32-eab170b8.png"><link rel="icon" type="image/svg+xml" href="../../../static.files/favicon-044be391.svg"></head><body class="rustdoc src"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="src-sidebar-title"><h2>Files</h2></div></nav><div class="sidebar-resizer" title="Drag to resize sidebar"></div><main><section id="main-content" class="content"><div class="main-heading"><h1><div class="sub-heading">dashmap\mapref/</div>entry.rs</h1><rustdoc-toolbar></rustdoc-toolbar></div><div class="example-wrap digits-3"><pre class="rust"><code><a href=#1 id=1 data-nosnippet>1</a><span class="kw">use </span><span class="kw">super</span>::one::RefMut;
|
||||
<a href=#2 id=2 data-nosnippet>2</a><span class="kw">use </span><span class="kw">crate</span>::lock::RwLockWriteGuard;
|
||||
<a href=#3 id=3 data-nosnippet>3</a><span class="kw">use </span><span class="kw">crate</span>::util::SharedValue;
|
||||
<a href=#4 id=4 data-nosnippet>4</a><span class="kw">use </span><span class="kw">crate</span>::HashMap;
|
||||
<a href=#5 id=5 data-nosnippet>5</a><span class="kw">use </span>core::hash::Hash;
|
||||
<a href=#6 id=6 data-nosnippet>6</a><span class="kw">use </span>core::mem;
|
||||
<a href=#7 id=7 data-nosnippet>7</a>
|
||||
<a href=#8 id=8 data-nosnippet>8</a><span class="kw">pub enum </span>Entry<<span class="lifetime">'a</span>, K, V> {
|
||||
<a href=#9 id=9 data-nosnippet>9</a> Occupied(OccupiedEntry<<span class="lifetime">'a</span>, K, V>),
|
||||
<a href=#10 id=10 data-nosnippet>10</a> Vacant(VacantEntry<<span class="lifetime">'a</span>, K, V>),
|
||||
<a href=#11 id=11 data-nosnippet>11</a>}
|
||||
<a href=#12 id=12 data-nosnippet>12</a>
|
||||
<a href=#13 id=13 data-nosnippet>13</a><span class="kw">impl</span><<span class="lifetime">'a</span>, K: Eq + Hash, V> Entry<<span class="lifetime">'a</span>, K, V> {
|
||||
<a href=#14 id=14 data-nosnippet>14</a> <span class="doccomment">/// Apply a function to the stored value if it exists.
|
||||
<a href=#15 id=15 data-nosnippet>15</a> </span><span class="kw">pub fn </span>and_modify(<span class="self">self</span>, f: <span class="kw">impl </span>FnOnce(<span class="kw-2">&mut </span>V)) -> <span class="self">Self </span>{
|
||||
<a href=#16 id=16 data-nosnippet>16</a> <span class="kw">match </span><span class="self">self </span>{
|
||||
<a href=#17 id=17 data-nosnippet>17</a> Entry::Occupied(<span class="kw-2">mut </span>entry) => {
|
||||
<a href=#18 id=18 data-nosnippet>18</a> f(entry.get_mut());
|
||||
<a href=#19 id=19 data-nosnippet>19</a>
|
||||
<a href=#20 id=20 data-nosnippet>20</a> Entry::Occupied(entry)
|
||||
<a href=#21 id=21 data-nosnippet>21</a> }
|
||||
<a href=#22 id=22 data-nosnippet>22</a>
|
||||
<a href=#23 id=23 data-nosnippet>23</a> Entry::Vacant(entry) => Entry::Vacant(entry),
|
||||
<a href=#24 id=24 data-nosnippet>24</a> }
|
||||
<a href=#25 id=25 data-nosnippet>25</a> }
|
||||
<a href=#26 id=26 data-nosnippet>26</a>
|
||||
<a href=#27 id=27 data-nosnippet>27</a> <span class="doccomment">/// Get the key of the entry.
|
||||
<a href=#28 id=28 data-nosnippet>28</a> </span><span class="kw">pub fn </span>key(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw-2">&</span>K {
|
||||
<a href=#29 id=29 data-nosnippet>29</a> <span class="kw">match </span><span class="kw-2">*</span><span class="self">self </span>{
|
||||
<a href=#30 id=30 data-nosnippet>30</a> Entry::Occupied(<span class="kw-2">ref </span>entry) => entry.key(),
|
||||
<a href=#31 id=31 data-nosnippet>31</a> Entry::Vacant(<span class="kw-2">ref </span>entry) => entry.key(),
|
||||
<a href=#32 id=32 data-nosnippet>32</a> }
|
||||
<a href=#33 id=33 data-nosnippet>33</a> }
|
||||
<a href=#34 id=34 data-nosnippet>34</a>
|
||||
<a href=#35 id=35 data-nosnippet>35</a> <span class="doccomment">/// Into the key of the entry.
|
||||
<a href=#36 id=36 data-nosnippet>36</a> </span><span class="kw">pub fn </span>into_key(<span class="self">self</span>) -> K {
|
||||
<a href=#37 id=37 data-nosnippet>37</a> <span class="kw">match </span><span class="self">self </span>{
|
||||
<a href=#38 id=38 data-nosnippet>38</a> Entry::Occupied(entry) => entry.into_key(),
|
||||
<a href=#39 id=39 data-nosnippet>39</a> Entry::Vacant(entry) => entry.into_key(),
|
||||
<a href=#40 id=40 data-nosnippet>40</a> }
|
||||
<a href=#41 id=41 data-nosnippet>41</a> }
|
||||
<a href=#42 id=42 data-nosnippet>42</a>
|
||||
<a href=#43 id=43 data-nosnippet>43</a> <span class="doccomment">/// Return a mutable reference to the element if it exists,
|
||||
<a href=#44 id=44 data-nosnippet>44</a> /// otherwise insert the default and return a mutable reference to that.
|
||||
<a href=#45 id=45 data-nosnippet>45</a> </span><span class="kw">pub fn </span>or_default(<span class="self">self</span>) -> RefMut<<span class="lifetime">'a</span>, K, V>
|
||||
<a href=#46 id=46 data-nosnippet>46</a> <span class="kw">where
|
||||
<a href=#47 id=47 data-nosnippet>47</a> </span>V: Default,
|
||||
<a href=#48 id=48 data-nosnippet>48</a> {
|
||||
<a href=#49 id=49 data-nosnippet>49</a> <span class="kw">match </span><span class="self">self </span>{
|
||||
<a href=#50 id=50 data-nosnippet>50</a> Entry::Occupied(entry) => entry.into_ref(),
|
||||
<a href=#51 id=51 data-nosnippet>51</a> Entry::Vacant(entry) => entry.insert(V::default()),
|
||||
<a href=#52 id=52 data-nosnippet>52</a> }
|
||||
<a href=#53 id=53 data-nosnippet>53</a> }
|
||||
<a href=#54 id=54 data-nosnippet>54</a>
|
||||
<a href=#55 id=55 data-nosnippet>55</a> <span class="doccomment">/// Return a mutable reference to the element if it exists,
|
||||
<a href=#56 id=56 data-nosnippet>56</a> /// otherwise a provided value and return a mutable reference to that.
|
||||
<a href=#57 id=57 data-nosnippet>57</a> </span><span class="kw">pub fn </span>or_insert(<span class="self">self</span>, value: V) -> RefMut<<span class="lifetime">'a</span>, K, V> {
|
||||
<a href=#58 id=58 data-nosnippet>58</a> <span class="kw">match </span><span class="self">self </span>{
|
||||
<a href=#59 id=59 data-nosnippet>59</a> Entry::Occupied(entry) => entry.into_ref(),
|
||||
<a href=#60 id=60 data-nosnippet>60</a> Entry::Vacant(entry) => entry.insert(value),
|
||||
<a href=#61 id=61 data-nosnippet>61</a> }
|
||||
<a href=#62 id=62 data-nosnippet>62</a> }
|
||||
<a href=#63 id=63 data-nosnippet>63</a>
|
||||
<a href=#64 id=64 data-nosnippet>64</a> <span class="doccomment">/// Return a mutable reference to the element if it exists,
|
||||
<a href=#65 id=65 data-nosnippet>65</a> /// otherwise insert the result of a provided function and return a mutable reference to that.
|
||||
<a href=#66 id=66 data-nosnippet>66</a> </span><span class="kw">pub fn </span>or_insert_with(<span class="self">self</span>, value: <span class="kw">impl </span>FnOnce() -> V) -> RefMut<<span class="lifetime">'a</span>, K, V> {
|
||||
<a href=#67 id=67 data-nosnippet>67</a> <span class="kw">match </span><span class="self">self </span>{
|
||||
<a href=#68 id=68 data-nosnippet>68</a> Entry::Occupied(entry) => entry.into_ref(),
|
||||
<a href=#69 id=69 data-nosnippet>69</a> Entry::Vacant(entry) => entry.insert(value()),
|
||||
<a href=#70 id=70 data-nosnippet>70</a> }
|
||||
<a href=#71 id=71 data-nosnippet>71</a> }
|
||||
<a href=#72 id=72 data-nosnippet>72</a>
|
||||
<a href=#73 id=73 data-nosnippet>73</a> <span class="kw">pub fn </span>or_try_insert_with<E>(
|
||||
<a href=#74 id=74 data-nosnippet>74</a> <span class="self">self</span>,
|
||||
<a href=#75 id=75 data-nosnippet>75</a> value: <span class="kw">impl </span>FnOnce() -> <span class="prelude-ty">Result</span><V, E>,
|
||||
<a href=#76 id=76 data-nosnippet>76</a> ) -> <span class="prelude-ty">Result</span><RefMut<<span class="lifetime">'a</span>, K, V>, E> {
|
||||
<a href=#77 id=77 data-nosnippet>77</a> <span class="kw">match </span><span class="self">self </span>{
|
||||
<a href=#78 id=78 data-nosnippet>78</a> Entry::Occupied(entry) => <span class="prelude-val">Ok</span>(entry.into_ref()),
|
||||
<a href=#79 id=79 data-nosnippet>79</a> Entry::Vacant(entry) => <span class="prelude-val">Ok</span>(entry.insert(value()<span class="question-mark">?</span>)),
|
||||
<a href=#80 id=80 data-nosnippet>80</a> }
|
||||
<a href=#81 id=81 data-nosnippet>81</a> }
|
||||
<a href=#82 id=82 data-nosnippet>82</a>
|
||||
<a href=#83 id=83 data-nosnippet>83</a> <span class="doccomment">/// Sets the value of the entry, and returns a reference to the inserted value.
|
||||
<a href=#84 id=84 data-nosnippet>84</a> </span><span class="kw">pub fn </span>insert(<span class="self">self</span>, value: V) -> RefMut<<span class="lifetime">'a</span>, K, V> {
|
||||
<a href=#85 id=85 data-nosnippet>85</a> <span class="kw">match </span><span class="self">self </span>{
|
||||
<a href=#86 id=86 data-nosnippet>86</a> Entry::Occupied(<span class="kw-2">mut </span>entry) => {
|
||||
<a href=#87 id=87 data-nosnippet>87</a> entry.insert(value);
|
||||
<a href=#88 id=88 data-nosnippet>88</a> entry.into_ref()
|
||||
<a href=#89 id=89 data-nosnippet>89</a> }
|
||||
<a href=#90 id=90 data-nosnippet>90</a> Entry::Vacant(entry) => entry.insert(value),
|
||||
<a href=#91 id=91 data-nosnippet>91</a> }
|
||||
<a href=#92 id=92 data-nosnippet>92</a> }
|
||||
<a href=#93 id=93 data-nosnippet>93</a>
|
||||
<a href=#94 id=94 data-nosnippet>94</a> <span class="doccomment">/// Sets the value of the entry, and returns an OccupiedEntry.
|
||||
<a href=#95 id=95 data-nosnippet>95</a> ///
|
||||
<a href=#96 id=96 data-nosnippet>96</a> /// If you are not interested in the occupied entry,
|
||||
<a href=#97 id=97 data-nosnippet>97</a> /// consider [`insert`] as it doesn't need to clone the key.
|
||||
<a href=#98 id=98 data-nosnippet>98</a> ///
|
||||
<a href=#99 id=99 data-nosnippet>99</a> /// [`insert`]: Entry::insert
|
||||
<a href=#100 id=100 data-nosnippet>100</a> </span><span class="kw">pub fn </span>insert_entry(<span class="self">self</span>, value: V) -> OccupiedEntry<<span class="lifetime">'a</span>, K, V>
|
||||
<a href=#101 id=101 data-nosnippet>101</a> <span class="kw">where
|
||||
<a href=#102 id=102 data-nosnippet>102</a> </span>K: Clone,
|
||||
<a href=#103 id=103 data-nosnippet>103</a> {
|
||||
<a href=#104 id=104 data-nosnippet>104</a> <span class="kw">match </span><span class="self">self </span>{
|
||||
<a href=#105 id=105 data-nosnippet>105</a> Entry::Occupied(<span class="kw-2">mut </span>entry) => {
|
||||
<a href=#106 id=106 data-nosnippet>106</a> entry.insert(value);
|
||||
<a href=#107 id=107 data-nosnippet>107</a> entry
|
||||
<a href=#108 id=108 data-nosnippet>108</a> }
|
||||
<a href=#109 id=109 data-nosnippet>109</a> Entry::Vacant(entry) => entry.insert_entry(value),
|
||||
<a href=#110 id=110 data-nosnippet>110</a> }
|
||||
<a href=#111 id=111 data-nosnippet>111</a> }
|
||||
<a href=#112 id=112 data-nosnippet>112</a>}
|
||||
<a href=#113 id=113 data-nosnippet>113</a>
|
||||
<a href=#114 id=114 data-nosnippet>114</a><span class="kw">pub struct </span>VacantEntry<<span class="lifetime">'a</span>, K, V> {
|
||||
<a href=#115 id=115 data-nosnippet>115</a> shard: RwLockWriteGuard<<span class="lifetime">'a</span>, HashMap<K, V>>,
|
||||
<a href=#116 id=116 data-nosnippet>116</a> key: K,
|
||||
<a href=#117 id=117 data-nosnippet>117</a> hash: u64,
|
||||
<a href=#118 id=118 data-nosnippet>118</a> slot: hashbrown::raw::InsertSlot,
|
||||
<a href=#119 id=119 data-nosnippet>119</a>}
|
||||
<a href=#120 id=120 data-nosnippet>120</a>
|
||||
<a href=#121 id=121 data-nosnippet>121</a><span class="kw">unsafe impl</span><<span class="lifetime">'a</span>, K: Eq + Hash + Sync, V: Sync> Send <span class="kw">for </span>VacantEntry<<span class="lifetime">'a</span>, K, V> {}
|
||||
<a href=#122 id=122 data-nosnippet>122</a><span class="kw">unsafe impl</span><<span class="lifetime">'a</span>, K: Eq + Hash + Sync, V: Sync> Sync <span class="kw">for </span>VacantEntry<<span class="lifetime">'a</span>, K, V> {}
|
||||
<a href=#123 id=123 data-nosnippet>123</a>
|
||||
<a href=#124 id=124 data-nosnippet>124</a><span class="kw">impl</span><<span class="lifetime">'a</span>, K: Eq + Hash, V> VacantEntry<<span class="lifetime">'a</span>, K, V> {
|
||||
<a href=#125 id=125 data-nosnippet>125</a> <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">unsafe fn </span>new(
|
||||
<a href=#126 id=126 data-nosnippet>126</a> shard: RwLockWriteGuard<<span class="lifetime">'a</span>, HashMap<K, V>>,
|
||||
<a href=#127 id=127 data-nosnippet>127</a> key: K,
|
||||
<a href=#128 id=128 data-nosnippet>128</a> hash: u64,
|
||||
<a href=#129 id=129 data-nosnippet>129</a> slot: hashbrown::raw::InsertSlot,
|
||||
<a href=#130 id=130 data-nosnippet>130</a> ) -> <span class="self">Self </span>{
|
||||
<a href=#131 id=131 data-nosnippet>131</a> <span class="self">Self </span>{
|
||||
<a href=#132 id=132 data-nosnippet>132</a> shard,
|
||||
<a href=#133 id=133 data-nosnippet>133</a> key,
|
||||
<a href=#134 id=134 data-nosnippet>134</a> hash,
|
||||
<a href=#135 id=135 data-nosnippet>135</a> slot,
|
||||
<a href=#136 id=136 data-nosnippet>136</a> }
|
||||
<a href=#137 id=137 data-nosnippet>137</a> }
|
||||
<a href=#138 id=138 data-nosnippet>138</a>
|
||||
<a href=#139 id=139 data-nosnippet>139</a> <span class="kw">pub fn </span>insert(<span class="kw-2">mut </span><span class="self">self</span>, value: V) -> RefMut<<span class="lifetime">'a</span>, K, V> {
|
||||
<a href=#140 id=140 data-nosnippet>140</a> <span class="kw">unsafe </span>{
|
||||
<a href=#141 id=141 data-nosnippet>141</a> <span class="kw">let </span>occupied = <span class="self">self</span>.shard.insert_in_slot(
|
||||
<a href=#142 id=142 data-nosnippet>142</a> <span class="self">self</span>.hash,
|
||||
<a href=#143 id=143 data-nosnippet>143</a> <span class="self">self</span>.slot,
|
||||
<a href=#144 id=144 data-nosnippet>144</a> (<span class="self">self</span>.key, SharedValue::new(value)),
|
||||
<a href=#145 id=145 data-nosnippet>145</a> );
|
||||
<a href=#146 id=146 data-nosnippet>146</a>
|
||||
<a href=#147 id=147 data-nosnippet>147</a> <span class="kw">let </span>(k, v) = occupied.as_ref();
|
||||
<a href=#148 id=148 data-nosnippet>148</a>
|
||||
<a href=#149 id=149 data-nosnippet>149</a> RefMut::new(<span class="self">self</span>.shard, k, v.as_ptr())
|
||||
<a href=#150 id=150 data-nosnippet>150</a> }
|
||||
<a href=#151 id=151 data-nosnippet>151</a> }
|
||||
<a href=#152 id=152 data-nosnippet>152</a>
|
||||
<a href=#153 id=153 data-nosnippet>153</a> <span class="doccomment">/// Sets the value of the entry with the VacantEntry’s key, and returns an OccupiedEntry.
|
||||
<a href=#154 id=154 data-nosnippet>154</a> </span><span class="kw">pub fn </span>insert_entry(<span class="kw-2">mut </span><span class="self">self</span>, value: V) -> OccupiedEntry<<span class="lifetime">'a</span>, K, V>
|
||||
<a href=#155 id=155 data-nosnippet>155</a> <span class="kw">where
|
||||
<a href=#156 id=156 data-nosnippet>156</a> </span>K: Clone,
|
||||
<a href=#157 id=157 data-nosnippet>157</a> {
|
||||
<a href=#158 id=158 data-nosnippet>158</a> <span class="kw">unsafe </span>{
|
||||
<a href=#159 id=159 data-nosnippet>159</a> <span class="kw">let </span>bucket = <span class="self">self</span>.shard.insert_in_slot(
|
||||
<a href=#160 id=160 data-nosnippet>160</a> <span class="self">self</span>.hash,
|
||||
<a href=#161 id=161 data-nosnippet>161</a> <span class="self">self</span>.slot,
|
||||
<a href=#162 id=162 data-nosnippet>162</a> (<span class="self">self</span>.key.clone(), SharedValue::new(value)),
|
||||
<a href=#163 id=163 data-nosnippet>163</a> );
|
||||
<a href=#164 id=164 data-nosnippet>164</a>
|
||||
<a href=#165 id=165 data-nosnippet>165</a> OccupiedEntry::new(<span class="self">self</span>.shard, <span class="self">self</span>.key, bucket)
|
||||
<a href=#166 id=166 data-nosnippet>166</a> }
|
||||
<a href=#167 id=167 data-nosnippet>167</a> }
|
||||
<a href=#168 id=168 data-nosnippet>168</a>
|
||||
<a href=#169 id=169 data-nosnippet>169</a> <span class="kw">pub fn </span>into_key(<span class="self">self</span>) -> K {
|
||||
<a href=#170 id=170 data-nosnippet>170</a> <span class="self">self</span>.key
|
||||
<a href=#171 id=171 data-nosnippet>171</a> }
|
||||
<a href=#172 id=172 data-nosnippet>172</a>
|
||||
<a href=#173 id=173 data-nosnippet>173</a> <span class="kw">pub fn </span>key(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw-2">&</span>K {
|
||||
<a href=#174 id=174 data-nosnippet>174</a> <span class="kw-2">&</span><span class="self">self</span>.key
|
||||
<a href=#175 id=175 data-nosnippet>175</a> }
|
||||
<a href=#176 id=176 data-nosnippet>176</a>}
|
||||
<a href=#177 id=177 data-nosnippet>177</a>
|
||||
<a href=#178 id=178 data-nosnippet>178</a><span class="kw">pub struct </span>OccupiedEntry<<span class="lifetime">'a</span>, K, V> {
|
||||
<a href=#179 id=179 data-nosnippet>179</a> shard: RwLockWriteGuard<<span class="lifetime">'a</span>, HashMap<K, V>>,
|
||||
<a href=#180 id=180 data-nosnippet>180</a> bucket: hashbrown::raw::Bucket<(K, SharedValue<V>)>,
|
||||
<a href=#181 id=181 data-nosnippet>181</a> key: K,
|
||||
<a href=#182 id=182 data-nosnippet>182</a>}
|
||||
<a href=#183 id=183 data-nosnippet>183</a>
|
||||
<a href=#184 id=184 data-nosnippet>184</a><span class="kw">unsafe impl</span><<span class="lifetime">'a</span>, K: Eq + Hash + Sync, V: Sync> Send <span class="kw">for </span>OccupiedEntry<<span class="lifetime">'a</span>, K, V> {}
|
||||
<a href=#185 id=185 data-nosnippet>185</a><span class="kw">unsafe impl</span><<span class="lifetime">'a</span>, K: Eq + Hash + Sync, V: Sync> Sync <span class="kw">for </span>OccupiedEntry<<span class="lifetime">'a</span>, K, V> {}
|
||||
<a href=#186 id=186 data-nosnippet>186</a>
|
||||
<a href=#187 id=187 data-nosnippet>187</a><span class="kw">impl</span><<span class="lifetime">'a</span>, K: Eq + Hash, V> OccupiedEntry<<span class="lifetime">'a</span>, K, V> {
|
||||
<a href=#188 id=188 data-nosnippet>188</a> <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">unsafe fn </span>new(
|
||||
<a href=#189 id=189 data-nosnippet>189</a> shard: RwLockWriteGuard<<span class="lifetime">'a</span>, HashMap<K, V>>,
|
||||
<a href=#190 id=190 data-nosnippet>190</a> key: K,
|
||||
<a href=#191 id=191 data-nosnippet>191</a> bucket: hashbrown::raw::Bucket<(K, SharedValue<V>)>,
|
||||
<a href=#192 id=192 data-nosnippet>192</a> ) -> <span class="self">Self </span>{
|
||||
<a href=#193 id=193 data-nosnippet>193</a> <span class="self">Self </span>{ shard, bucket, key }
|
||||
<a href=#194 id=194 data-nosnippet>194</a> }
|
||||
<a href=#195 id=195 data-nosnippet>195</a>
|
||||
<a href=#196 id=196 data-nosnippet>196</a> <span class="kw">pub fn </span>get(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw-2">&</span>V {
|
||||
<a href=#197 id=197 data-nosnippet>197</a> <span class="kw">unsafe </span>{ <span class="self">self</span>.bucket.as_ref().<span class="number">1</span>.get() }
|
||||
<a href=#198 id=198 data-nosnippet>198</a> }
|
||||
<a href=#199 id=199 data-nosnippet>199</a>
|
||||
<a href=#200 id=200 data-nosnippet>200</a> <span class="kw">pub fn </span>get_mut(<span class="kw-2">&mut </span><span class="self">self</span>) -> <span class="kw-2">&mut </span>V {
|
||||
<a href=#201 id=201 data-nosnippet>201</a> <span class="kw">unsafe </span>{ <span class="self">self</span>.bucket.as_mut().<span class="number">1</span>.get_mut() }
|
||||
<a href=#202 id=202 data-nosnippet>202</a> }
|
||||
<a href=#203 id=203 data-nosnippet>203</a>
|
||||
<a href=#204 id=204 data-nosnippet>204</a> <span class="kw">pub fn </span>insert(<span class="kw-2">&mut </span><span class="self">self</span>, value: V) -> V {
|
||||
<a href=#205 id=205 data-nosnippet>205</a> mem::replace(<span class="self">self</span>.get_mut(), value)
|
||||
<a href=#206 id=206 data-nosnippet>206</a> }
|
||||
<a href=#207 id=207 data-nosnippet>207</a>
|
||||
<a href=#208 id=208 data-nosnippet>208</a> <span class="kw">pub fn </span>into_ref(<span class="self">self</span>) -> RefMut<<span class="lifetime">'a</span>, K, V> {
|
||||
<a href=#209 id=209 data-nosnippet>209</a> <span class="kw">unsafe </span>{
|
||||
<a href=#210 id=210 data-nosnippet>210</a> <span class="kw">let </span>(k, v) = <span class="self">self</span>.bucket.as_ref();
|
||||
<a href=#211 id=211 data-nosnippet>211</a> RefMut::new(<span class="self">self</span>.shard, k, v.as_ptr())
|
||||
<a href=#212 id=212 data-nosnippet>212</a> }
|
||||
<a href=#213 id=213 data-nosnippet>213</a> }
|
||||
<a href=#214 id=214 data-nosnippet>214</a>
|
||||
<a href=#215 id=215 data-nosnippet>215</a> <span class="kw">pub fn </span>into_key(<span class="self">self</span>) -> K {
|
||||
<a href=#216 id=216 data-nosnippet>216</a> <span class="self">self</span>.key
|
||||
<a href=#217 id=217 data-nosnippet>217</a> }
|
||||
<a href=#218 id=218 data-nosnippet>218</a>
|
||||
<a href=#219 id=219 data-nosnippet>219</a> <span class="kw">pub fn </span>key(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw-2">&</span>K {
|
||||
<a href=#220 id=220 data-nosnippet>220</a> <span class="kw">unsafe </span>{ <span class="kw-2">&</span><span class="self">self</span>.bucket.as_ref().<span class="number">0 </span>}
|
||||
<a href=#221 id=221 data-nosnippet>221</a> }
|
||||
<a href=#222 id=222 data-nosnippet>222</a>
|
||||
<a href=#223 id=223 data-nosnippet>223</a> <span class="kw">pub fn </span>remove(<span class="kw-2">mut </span><span class="self">self</span>) -> V {
|
||||
<a href=#224 id=224 data-nosnippet>224</a> <span class="kw">let </span>((_k, v), <span class="kw">_</span>) = <span class="kw">unsafe </span>{ <span class="self">self</span>.shard.remove(<span class="self">self</span>.bucket) };
|
||||
<a href=#225 id=225 data-nosnippet>225</a> v.into_inner()
|
||||
<a href=#226 id=226 data-nosnippet>226</a> }
|
||||
<a href=#227 id=227 data-nosnippet>227</a>
|
||||
<a href=#228 id=228 data-nosnippet>228</a> <span class="kw">pub fn </span>remove_entry(<span class="kw-2">mut </span><span class="self">self</span>) -> (K, V) {
|
||||
<a href=#229 id=229 data-nosnippet>229</a> <span class="kw">let </span>((k, v), <span class="kw">_</span>) = <span class="kw">unsafe </span>{ <span class="self">self</span>.shard.remove(<span class="self">self</span>.bucket) };
|
||||
<a href=#230 id=230 data-nosnippet>230</a> (k, v.into_inner())
|
||||
<a href=#231 id=231 data-nosnippet>231</a> }
|
||||
<a href=#232 id=232 data-nosnippet>232</a>
|
||||
<a href=#233 id=233 data-nosnippet>233</a> <span class="kw">pub fn </span>replace_entry(<span class="self">self</span>, value: V) -> (K, V) {
|
||||
<a href=#234 id=234 data-nosnippet>234</a> <span class="kw">let </span>(k, v) = mem::replace(
|
||||
<a href=#235 id=235 data-nosnippet>235</a> <span class="kw">unsafe </span>{ <span class="self">self</span>.bucket.as_mut() },
|
||||
<a href=#236 id=236 data-nosnippet>236</a> (<span class="self">self</span>.key, SharedValue::new(value)),
|
||||
<a href=#237 id=237 data-nosnippet>237</a> );
|
||||
<a href=#238 id=238 data-nosnippet>238</a> (k, v.into_inner())
|
||||
<a href=#239 id=239 data-nosnippet>239</a> }
|
||||
<a href=#240 id=240 data-nosnippet>240</a>}
|
||||
<a href=#241 id=241 data-nosnippet>241</a>
|
||||
<a href=#242 id=242 data-nosnippet>242</a><span class="attr">#[cfg(test)]
|
||||
<a href=#243 id=243 data-nosnippet>243</a></span><span class="kw">mod </span>tests {
|
||||
<a href=#244 id=244 data-nosnippet>244</a> <span class="kw">use </span><span class="kw">crate</span>::DashMap;
|
||||
<a href=#245 id=245 data-nosnippet>245</a>
|
||||
<a href=#246 id=246 data-nosnippet>246</a> <span class="kw">use super</span>::<span class="kw-2">*</span>;
|
||||
<a href=#247 id=247 data-nosnippet>247</a>
|
||||
<a href=#248 id=248 data-nosnippet>248</a> <span class="attr">#[test]
|
||||
<a href=#249 id=249 data-nosnippet>249</a> </span><span class="kw">fn </span>test_insert_entry_into_vacant() {
|
||||
<a href=#250 id=250 data-nosnippet>250</a> <span class="kw">let </span>map: DashMap<u32, u32> = DashMap::new();
|
||||
<a href=#251 id=251 data-nosnippet>251</a>
|
||||
<a href=#252 id=252 data-nosnippet>252</a> <span class="kw">let </span>entry = map.entry(<span class="number">1</span>);
|
||||
<a href=#253 id=253 data-nosnippet>253</a>
|
||||
<a href=#254 id=254 data-nosnippet>254</a> <span class="macro">assert!</span>(<span class="macro">matches!</span>(entry, Entry::Vacant(<span class="kw">_</span>)));
|
||||
<a href=#255 id=255 data-nosnippet>255</a>
|
||||
<a href=#256 id=256 data-nosnippet>256</a> <span class="kw">let </span>entry = entry.insert_entry(<span class="number">2</span>);
|
||||
<a href=#257 id=257 data-nosnippet>257</a>
|
||||
<a href=#258 id=258 data-nosnippet>258</a> <span class="macro">assert_eq!</span>(<span class="kw-2">*</span>entry.get(), <span class="number">2</span>);
|
||||
<a href=#259 id=259 data-nosnippet>259</a>
|
||||
<a href=#260 id=260 data-nosnippet>260</a> drop(entry);
|
||||
<a href=#261 id=261 data-nosnippet>261</a>
|
||||
<a href=#262 id=262 data-nosnippet>262</a> <span class="macro">assert_eq!</span>(<span class="kw-2">*</span>map.get(<span class="kw-2">&</span><span class="number">1</span>).unwrap(), <span class="number">2</span>);
|
||||
<a href=#263 id=263 data-nosnippet>263</a> }
|
||||
<a href=#264 id=264 data-nosnippet>264</a>
|
||||
<a href=#265 id=265 data-nosnippet>265</a> <span class="attr">#[test]
|
||||
<a href=#266 id=266 data-nosnippet>266</a> </span><span class="kw">fn </span>test_insert_entry_into_occupied() {
|
||||
<a href=#267 id=267 data-nosnippet>267</a> <span class="kw">let </span>map: DashMap<u32, u32> = DashMap::new();
|
||||
<a href=#268 id=268 data-nosnippet>268</a>
|
||||
<a href=#269 id=269 data-nosnippet>269</a> map.insert(<span class="number">1</span>, <span class="number">1000</span>);
|
||||
<a href=#270 id=270 data-nosnippet>270</a>
|
||||
<a href=#271 id=271 data-nosnippet>271</a> <span class="kw">let </span>entry = map.entry(<span class="number">1</span>);
|
||||
<a href=#272 id=272 data-nosnippet>272</a>
|
||||
<a href=#273 id=273 data-nosnippet>273</a> <span class="macro">assert!</span>(<span class="macro">matches!</span>(<span class="kw-2">&</span>entry, Entry::Occupied(entry) <span class="kw">if </span><span class="kw-2">*</span>entry.get() == <span class="number">1000</span>));
|
||||
<a href=#274 id=274 data-nosnippet>274</a>
|
||||
<a href=#275 id=275 data-nosnippet>275</a> <span class="kw">let </span>entry = entry.insert_entry(<span class="number">2</span>);
|
||||
<a href=#276 id=276 data-nosnippet>276</a>
|
||||
<a href=#277 id=277 data-nosnippet>277</a> <span class="macro">assert_eq!</span>(<span class="kw-2">*</span>entry.get(), <span class="number">2</span>);
|
||||
<a href=#278 id=278 data-nosnippet>278</a>
|
||||
<a href=#279 id=279 data-nosnippet>279</a> drop(entry);
|
||||
<a href=#280 id=280 data-nosnippet>280</a>
|
||||
<a href=#281 id=281 data-nosnippet>281</a> <span class="macro">assert_eq!</span>(<span class="kw-2">*</span>map.get(<span class="kw-2">&</span><span class="number">1</span>).unwrap(), <span class="number">2</span>);
|
||||
<a href=#282 id=282 data-nosnippet>282</a> }
|
||||
<a href=#283 id=283 data-nosnippet>283</a>}
|
||||
</code></pre></div></section></main></body></html>
|
||||
4
target/doc/src/dashmap/mapref/mod.rs.html
Normal file
4
target/doc/src/dashmap/mapref/mod.rs.html
Normal file
@@ -0,0 +1,4 @@
|
||||
<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `C:\Users\szend\.cargo\registry\src\index.crates.io-1949cf8c6b5b557f\dashmap-6.1.0\src\mapref\mod.rs`."><title>mod.rs - source</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-6b053e98.ttf.woff2,FiraSans-Italic-81dc35de.woff2,FiraSans-Regular-0fe48ade.woff2,FiraSans-MediumItalic-ccf7e434.woff2,FiraSans-Medium-e1aa3f0a.woff2,SourceCodePro-Regular-8badfe75.ttf.woff2,SourceCodePro-Semibold-aa29a496.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2"href="../../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../../static.files/normalize-9960930a.css"><link rel="stylesheet" href="../../../static.files/rustdoc-ca0dd0c4.css"><meta name="rustdoc-vars" data-root-path="../../../" data-static-root-path="../../../static.files/" data-current-crate="dashmap" data-themes="" data-resource-suffix="" data-rustdoc-version="1.93.1 (01f6ddf75 2026-02-11)" data-channel="1.93.1" data-search-js="search-9e2438ea.js" data-stringdex-js="stringdex-a3946164.js" data-settings-js="settings-c38705f0.js" ><script src="../../../static.files/storage-e2aeef58.js"></script><script defer src="../../../static.files/src-script-813739b1.js"></script><script defer src="../../../src-files.js"></script><script defer src="../../../static.files/main-a410ff4d.js"></script><noscript><link rel="stylesheet" href="../../../static.files/noscript-263c88ec.css"></noscript><link rel="alternate icon" type="image/png" href="../../../static.files/favicon-32x32-eab170b8.png"><link rel="icon" type="image/svg+xml" href="../../../static.files/favicon-044be391.svg"></head><body class="rustdoc src"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="src-sidebar-title"><h2>Files</h2></div></nav><div class="sidebar-resizer" title="Drag to resize sidebar"></div><main><section id="main-content" class="content"><div class="main-heading"><h1><div class="sub-heading">dashmap\mapref/</div>mod.rs</h1><rustdoc-toolbar></rustdoc-toolbar></div><div class="example-wrap digits-1"><pre class="rust"><code><a href=#1 id=1 data-nosnippet>1</a><span class="kw">pub mod </span>entry;
|
||||
<a href=#2 id=2 data-nosnippet>2</a><span class="kw">pub mod </span>multiple;
|
||||
<a href=#3 id=3 data-nosnippet>3</a><span class="kw">pub mod </span>one;
|
||||
</code></pre></div></section></main></body></html>
|
||||
106
target/doc/src/dashmap/mapref/multiple.rs.html
Normal file
106
target/doc/src/dashmap/mapref/multiple.rs.html
Normal file
@@ -0,0 +1,106 @@
|
||||
<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `C:\Users\szend\.cargo\registry\src\index.crates.io-1949cf8c6b5b557f\dashmap-6.1.0\src\mapref\multiple.rs`."><title>multiple.rs - source</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-6b053e98.ttf.woff2,FiraSans-Italic-81dc35de.woff2,FiraSans-Regular-0fe48ade.woff2,FiraSans-MediumItalic-ccf7e434.woff2,FiraSans-Medium-e1aa3f0a.woff2,SourceCodePro-Regular-8badfe75.ttf.woff2,SourceCodePro-Semibold-aa29a496.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2"href="../../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../../static.files/normalize-9960930a.css"><link rel="stylesheet" href="../../../static.files/rustdoc-ca0dd0c4.css"><meta name="rustdoc-vars" data-root-path="../../../" data-static-root-path="../../../static.files/" data-current-crate="dashmap" data-themes="" data-resource-suffix="" data-rustdoc-version="1.93.1 (01f6ddf75 2026-02-11)" data-channel="1.93.1" data-search-js="search-9e2438ea.js" data-stringdex-js="stringdex-a3946164.js" data-settings-js="settings-c38705f0.js" ><script src="../../../static.files/storage-e2aeef58.js"></script><script defer src="../../../static.files/src-script-813739b1.js"></script><script defer src="../../../src-files.js"></script><script defer src="../../../static.files/main-a410ff4d.js"></script><noscript><link rel="stylesheet" href="../../../static.files/noscript-263c88ec.css"></noscript><link rel="alternate icon" type="image/png" href="../../../static.files/favicon-32x32-eab170b8.png"><link rel="icon" type="image/svg+xml" href="../../../static.files/favicon-044be391.svg"></head><body class="rustdoc src"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="src-sidebar-title"><h2>Files</h2></div></nav><div class="sidebar-resizer" title="Drag to resize sidebar"></div><main><section id="main-content" class="content"><div class="main-heading"><h1><div class="sub-heading">dashmap\mapref/</div>multiple.rs</h1><rustdoc-toolbar></rustdoc-toolbar></div><div class="example-wrap digits-3"><pre class="rust"><code><a href=#1 id=1 data-nosnippet>1</a><span class="kw">use </span><span class="kw">crate</span>::lock::{RwLockReadGuard, RwLockWriteGuard};
|
||||
<a href=#2 id=2 data-nosnippet>2</a><span class="kw">use </span><span class="kw">crate</span>::HashMap;
|
||||
<a href=#3 id=3 data-nosnippet>3</a><span class="kw">use </span>core::hash::Hash;
|
||||
<a href=#4 id=4 data-nosnippet>4</a><span class="kw">use </span>core::ops::{Deref, DerefMut};
|
||||
<a href=#5 id=5 data-nosnippet>5</a><span class="kw">use </span>std::sync::Arc;
|
||||
<a href=#6 id=6 data-nosnippet>6</a>
|
||||
<a href=#7 id=7 data-nosnippet>7</a><span class="kw">pub struct </span>RefMulti<<span class="lifetime">'a</span>, K, V> {
|
||||
<a href=#8 id=8 data-nosnippet>8</a> _guard: Arc<RwLockReadGuard<<span class="lifetime">'a</span>, HashMap<K, V>>>,
|
||||
<a href=#9 id=9 data-nosnippet>9</a> k: <span class="kw-2">*const </span>K,
|
||||
<a href=#10 id=10 data-nosnippet>10</a> v: <span class="kw-2">*const </span>V,
|
||||
<a href=#11 id=11 data-nosnippet>11</a>}
|
||||
<a href=#12 id=12 data-nosnippet>12</a>
|
||||
<a href=#13 id=13 data-nosnippet>13</a><span class="kw">unsafe impl</span><<span class="lifetime">'a</span>, K: Eq + Hash + Sync, V: Sync> Send <span class="kw">for </span>RefMulti<<span class="lifetime">'a</span>, K, V> {}
|
||||
<a href=#14 id=14 data-nosnippet>14</a><span class="kw">unsafe impl</span><<span class="lifetime">'a</span>, K: Eq + Hash + Sync, V: Sync> Sync <span class="kw">for </span>RefMulti<<span class="lifetime">'a</span>, K, V> {}
|
||||
<a href=#15 id=15 data-nosnippet>15</a>
|
||||
<a href=#16 id=16 data-nosnippet>16</a><span class="kw">impl</span><<span class="lifetime">'a</span>, K: Eq + Hash, V> RefMulti<<span class="lifetime">'a</span>, K, V> {
|
||||
<a href=#17 id=17 data-nosnippet>17</a> <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">unsafe fn </span>new(
|
||||
<a href=#18 id=18 data-nosnippet>18</a> guard: Arc<RwLockReadGuard<<span class="lifetime">'a</span>, HashMap<K, V>>>,
|
||||
<a href=#19 id=19 data-nosnippet>19</a> k: <span class="kw-2">*const </span>K,
|
||||
<a href=#20 id=20 data-nosnippet>20</a> v: <span class="kw-2">*const </span>V,
|
||||
<a href=#21 id=21 data-nosnippet>21</a> ) -> <span class="self">Self </span>{
|
||||
<a href=#22 id=22 data-nosnippet>22</a> <span class="self">Self </span>{
|
||||
<a href=#23 id=23 data-nosnippet>23</a> _guard: guard,
|
||||
<a href=#24 id=24 data-nosnippet>24</a> k,
|
||||
<a href=#25 id=25 data-nosnippet>25</a> v,
|
||||
<a href=#26 id=26 data-nosnippet>26</a> }
|
||||
<a href=#27 id=27 data-nosnippet>27</a> }
|
||||
<a href=#28 id=28 data-nosnippet>28</a>
|
||||
<a href=#29 id=29 data-nosnippet>29</a> <span class="kw">pub fn </span>key(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw-2">&</span>K {
|
||||
<a href=#30 id=30 data-nosnippet>30</a> <span class="self">self</span>.pair().<span class="number">0
|
||||
<a href=#31 id=31 data-nosnippet>31</a> </span>}
|
||||
<a href=#32 id=32 data-nosnippet>32</a>
|
||||
<a href=#33 id=33 data-nosnippet>33</a> <span class="kw">pub fn </span>value(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw-2">&</span>V {
|
||||
<a href=#34 id=34 data-nosnippet>34</a> <span class="self">self</span>.pair().<span class="number">1
|
||||
<a href=#35 id=35 data-nosnippet>35</a> </span>}
|
||||
<a href=#36 id=36 data-nosnippet>36</a>
|
||||
<a href=#37 id=37 data-nosnippet>37</a> <span class="kw">pub fn </span>pair(<span class="kw-2">&</span><span class="self">self</span>) -> (<span class="kw-2">&</span>K, <span class="kw-2">&</span>V) {
|
||||
<a href=#38 id=38 data-nosnippet>38</a> <span class="kw">unsafe </span>{ (<span class="kw-2">&*</span><span class="self">self</span>.k, <span class="kw-2">&*</span><span class="self">self</span>.v) }
|
||||
<a href=#39 id=39 data-nosnippet>39</a> }
|
||||
<a href=#40 id=40 data-nosnippet>40</a>}
|
||||
<a href=#41 id=41 data-nosnippet>41</a>
|
||||
<a href=#42 id=42 data-nosnippet>42</a><span class="kw">impl</span><<span class="lifetime">'a</span>, K: Eq + Hash, V> Deref <span class="kw">for </span>RefMulti<<span class="lifetime">'a</span>, K, V> {
|
||||
<a href=#43 id=43 data-nosnippet>43</a> <span class="kw">type </span>Target = V;
|
||||
<a href=#44 id=44 data-nosnippet>44</a>
|
||||
<a href=#45 id=45 data-nosnippet>45</a> <span class="kw">fn </span>deref(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw-2">&</span>V {
|
||||
<a href=#46 id=46 data-nosnippet>46</a> <span class="self">self</span>.value()
|
||||
<a href=#47 id=47 data-nosnippet>47</a> }
|
||||
<a href=#48 id=48 data-nosnippet>48</a>}
|
||||
<a href=#49 id=49 data-nosnippet>49</a>
|
||||
<a href=#50 id=50 data-nosnippet>50</a><span class="kw">pub struct </span>RefMutMulti<<span class="lifetime">'a</span>, K, V> {
|
||||
<a href=#51 id=51 data-nosnippet>51</a> _guard: Arc<RwLockWriteGuard<<span class="lifetime">'a</span>, HashMap<K, V>>>,
|
||||
<a href=#52 id=52 data-nosnippet>52</a> k: <span class="kw-2">*const </span>K,
|
||||
<a href=#53 id=53 data-nosnippet>53</a> v: <span class="kw-2">*mut </span>V,
|
||||
<a href=#54 id=54 data-nosnippet>54</a>}
|
||||
<a href=#55 id=55 data-nosnippet>55</a>
|
||||
<a href=#56 id=56 data-nosnippet>56</a><span class="kw">unsafe impl</span><<span class="lifetime">'a</span>, K: Eq + Hash + Sync, V: Sync> Send <span class="kw">for </span>RefMutMulti<<span class="lifetime">'a</span>, K, V> {}
|
||||
<a href=#57 id=57 data-nosnippet>57</a><span class="kw">unsafe impl</span><<span class="lifetime">'a</span>, K: Eq + Hash + Sync, V: Sync> Sync <span class="kw">for </span>RefMutMulti<<span class="lifetime">'a</span>, K, V> {}
|
||||
<a href=#58 id=58 data-nosnippet>58</a>
|
||||
<a href=#59 id=59 data-nosnippet>59</a><span class="kw">impl</span><<span class="lifetime">'a</span>, K: Eq + Hash, V> RefMutMulti<<span class="lifetime">'a</span>, K, V> {
|
||||
<a href=#60 id=60 data-nosnippet>60</a> <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">unsafe fn </span>new(
|
||||
<a href=#61 id=61 data-nosnippet>61</a> guard: Arc<RwLockWriteGuard<<span class="lifetime">'a</span>, HashMap<K, V>>>,
|
||||
<a href=#62 id=62 data-nosnippet>62</a> k: <span class="kw-2">*const </span>K,
|
||||
<a href=#63 id=63 data-nosnippet>63</a> v: <span class="kw-2">*mut </span>V,
|
||||
<a href=#64 id=64 data-nosnippet>64</a> ) -> <span class="self">Self </span>{
|
||||
<a href=#65 id=65 data-nosnippet>65</a> <span class="self">Self </span>{
|
||||
<a href=#66 id=66 data-nosnippet>66</a> _guard: guard,
|
||||
<a href=#67 id=67 data-nosnippet>67</a> k,
|
||||
<a href=#68 id=68 data-nosnippet>68</a> v,
|
||||
<a href=#69 id=69 data-nosnippet>69</a> }
|
||||
<a href=#70 id=70 data-nosnippet>70</a> }
|
||||
<a href=#71 id=71 data-nosnippet>71</a>
|
||||
<a href=#72 id=72 data-nosnippet>72</a> <span class="kw">pub fn </span>key(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw-2">&</span>K {
|
||||
<a href=#73 id=73 data-nosnippet>73</a> <span class="self">self</span>.pair().<span class="number">0
|
||||
<a href=#74 id=74 data-nosnippet>74</a> </span>}
|
||||
<a href=#75 id=75 data-nosnippet>75</a>
|
||||
<a href=#76 id=76 data-nosnippet>76</a> <span class="kw">pub fn </span>value(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw-2">&</span>V {
|
||||
<a href=#77 id=77 data-nosnippet>77</a> <span class="self">self</span>.pair().<span class="number">1
|
||||
<a href=#78 id=78 data-nosnippet>78</a> </span>}
|
||||
<a href=#79 id=79 data-nosnippet>79</a>
|
||||
<a href=#80 id=80 data-nosnippet>80</a> <span class="kw">pub fn </span>value_mut(<span class="kw-2">&mut </span><span class="self">self</span>) -> <span class="kw-2">&mut </span>V {
|
||||
<a href=#81 id=81 data-nosnippet>81</a> <span class="self">self</span>.pair_mut().<span class="number">1
|
||||
<a href=#82 id=82 data-nosnippet>82</a> </span>}
|
||||
<a href=#83 id=83 data-nosnippet>83</a>
|
||||
<a href=#84 id=84 data-nosnippet>84</a> <span class="kw">pub fn </span>pair(<span class="kw-2">&</span><span class="self">self</span>) -> (<span class="kw-2">&</span>K, <span class="kw-2">&</span>V) {
|
||||
<a href=#85 id=85 data-nosnippet>85</a> <span class="kw">unsafe </span>{ (<span class="kw-2">&*</span><span class="self">self</span>.k, <span class="kw-2">&*</span><span class="self">self</span>.v) }
|
||||
<a href=#86 id=86 data-nosnippet>86</a> }
|
||||
<a href=#87 id=87 data-nosnippet>87</a>
|
||||
<a href=#88 id=88 data-nosnippet>88</a> <span class="kw">pub fn </span>pair_mut(<span class="kw-2">&mut </span><span class="self">self</span>) -> (<span class="kw-2">&</span>K, <span class="kw-2">&mut </span>V) {
|
||||
<a href=#89 id=89 data-nosnippet>89</a> <span class="kw">unsafe </span>{ (<span class="kw-2">&*</span><span class="self">self</span>.k, <span class="kw-2">&mut *</span><span class="self">self</span>.v) }
|
||||
<a href=#90 id=90 data-nosnippet>90</a> }
|
||||
<a href=#91 id=91 data-nosnippet>91</a>}
|
||||
<a href=#92 id=92 data-nosnippet>92</a>
|
||||
<a href=#93 id=93 data-nosnippet>93</a><span class="kw">impl</span><<span class="lifetime">'a</span>, K: Eq + Hash, V> Deref <span class="kw">for </span>RefMutMulti<<span class="lifetime">'a</span>, K, V> {
|
||||
<a href=#94 id=94 data-nosnippet>94</a> <span class="kw">type </span>Target = V;
|
||||
<a href=#95 id=95 data-nosnippet>95</a>
|
||||
<a href=#96 id=96 data-nosnippet>96</a> <span class="kw">fn </span>deref(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw-2">&</span>V {
|
||||
<a href=#97 id=97 data-nosnippet>97</a> <span class="self">self</span>.value()
|
||||
<a href=#98 id=98 data-nosnippet>98</a> }
|
||||
<a href=#99 id=99 data-nosnippet>99</a>}
|
||||
<a href=#100 id=100 data-nosnippet>100</a>
|
||||
<a href=#101 id=101 data-nosnippet>101</a><span class="kw">impl</span><<span class="lifetime">'a</span>, K: Eq + Hash, V> DerefMut <span class="kw">for </span>RefMutMulti<<span class="lifetime">'a</span>, K, V> {
|
||||
<a href=#102 id=102 data-nosnippet>102</a> <span class="kw">fn </span>deref_mut(<span class="kw-2">&mut </span><span class="self">self</span>) -> <span class="kw-2">&mut </span>V {
|
||||
<a href=#103 id=103 data-nosnippet>103</a> <span class="self">self</span>.value_mut()
|
||||
<a href=#104 id=104 data-nosnippet>104</a> }
|
||||
<a href=#105 id=105 data-nosnippet>105</a>}
|
||||
</code></pre></div></section></main></body></html>
|
||||
335
target/doc/src/dashmap/mapref/one.rs.html
Normal file
335
target/doc/src/dashmap/mapref/one.rs.html
Normal file
@@ -0,0 +1,335 @@
|
||||
<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `C:\Users\szend\.cargo\registry\src\index.crates.io-1949cf8c6b5b557f\dashmap-6.1.0\src\mapref\one.rs`."><title>one.rs - source</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-6b053e98.ttf.woff2,FiraSans-Italic-81dc35de.woff2,FiraSans-Regular-0fe48ade.woff2,FiraSans-MediumItalic-ccf7e434.woff2,FiraSans-Medium-e1aa3f0a.woff2,SourceCodePro-Regular-8badfe75.ttf.woff2,SourceCodePro-Semibold-aa29a496.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2"href="../../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../../static.files/normalize-9960930a.css"><link rel="stylesheet" href="../../../static.files/rustdoc-ca0dd0c4.css"><meta name="rustdoc-vars" data-root-path="../../../" data-static-root-path="../../../static.files/" data-current-crate="dashmap" data-themes="" data-resource-suffix="" data-rustdoc-version="1.93.1 (01f6ddf75 2026-02-11)" data-channel="1.93.1" data-search-js="search-9e2438ea.js" data-stringdex-js="stringdex-a3946164.js" data-settings-js="settings-c38705f0.js" ><script src="../../../static.files/storage-e2aeef58.js"></script><script defer src="../../../static.files/src-script-813739b1.js"></script><script defer src="../../../src-files.js"></script><script defer src="../../../static.files/main-a410ff4d.js"></script><noscript><link rel="stylesheet" href="../../../static.files/noscript-263c88ec.css"></noscript><link rel="alternate icon" type="image/png" href="../../../static.files/favicon-32x32-eab170b8.png"><link rel="icon" type="image/svg+xml" href="../../../static.files/favicon-044be391.svg"></head><body class="rustdoc src"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="src-sidebar-title"><h2>Files</h2></div></nav><div class="sidebar-resizer" title="Drag to resize sidebar"></div><main><section id="main-content" class="content"><div class="main-heading"><h1><div class="sub-heading">dashmap\mapref/</div>one.rs</h1><rustdoc-toolbar></rustdoc-toolbar></div><div class="example-wrap digits-3"><pre class="rust"><code><a href=#1 id=1 data-nosnippet>1</a><span class="kw">use </span><span class="kw">crate</span>::lock::{RwLockReadGuard, RwLockWriteGuard};
|
||||
<a href=#2 id=2 data-nosnippet>2</a><span class="kw">use </span><span class="kw">crate</span>::HashMap;
|
||||
<a href=#3 id=3 data-nosnippet>3</a><span class="kw">use </span>core::hash::Hash;
|
||||
<a href=#4 id=4 data-nosnippet>4</a><span class="kw">use </span>core::ops::{Deref, DerefMut};
|
||||
<a href=#5 id=5 data-nosnippet>5</a><span class="kw">use </span>std::fmt::{Debug, Formatter};
|
||||
<a href=#6 id=6 data-nosnippet>6</a>
|
||||
<a href=#7 id=7 data-nosnippet>7</a><span class="kw">pub struct </span>Ref<<span class="lifetime">'a</span>, K, V> {
|
||||
<a href=#8 id=8 data-nosnippet>8</a> _guard: RwLockReadGuard<<span class="lifetime">'a</span>, HashMap<K, V>>,
|
||||
<a href=#9 id=9 data-nosnippet>9</a> k: <span class="kw-2">*const </span>K,
|
||||
<a href=#10 id=10 data-nosnippet>10</a> v: <span class="kw-2">*const </span>V,
|
||||
<a href=#11 id=11 data-nosnippet>11</a>}
|
||||
<a href=#12 id=12 data-nosnippet>12</a>
|
||||
<a href=#13 id=13 data-nosnippet>13</a><span class="kw">unsafe impl</span><<span class="lifetime">'a</span>, K: Eq + Hash + Sync, V: Sync> Send <span class="kw">for </span>Ref<<span class="lifetime">'a</span>, K, V> {}
|
||||
<a href=#14 id=14 data-nosnippet>14</a><span class="kw">unsafe impl</span><<span class="lifetime">'a</span>, K: Eq + Hash + Sync, V: Sync> Sync <span class="kw">for </span>Ref<<span class="lifetime">'a</span>, K, V> {}
|
||||
<a href=#15 id=15 data-nosnippet>15</a>
|
||||
<a href=#16 id=16 data-nosnippet>16</a><span class="kw">impl</span><<span class="lifetime">'a</span>, K: Eq + Hash, V> Ref<<span class="lifetime">'a</span>, K, V> {
|
||||
<a href=#17 id=17 data-nosnippet>17</a> <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">unsafe fn </span>new(
|
||||
<a href=#18 id=18 data-nosnippet>18</a> guard: RwLockReadGuard<<span class="lifetime">'a</span>, HashMap<K, V>>,
|
||||
<a href=#19 id=19 data-nosnippet>19</a> k: <span class="kw-2">*const </span>K,
|
||||
<a href=#20 id=20 data-nosnippet>20</a> v: <span class="kw-2">*const </span>V,
|
||||
<a href=#21 id=21 data-nosnippet>21</a> ) -> <span class="self">Self </span>{
|
||||
<a href=#22 id=22 data-nosnippet>22</a> <span class="self">Self </span>{
|
||||
<a href=#23 id=23 data-nosnippet>23</a> _guard: guard,
|
||||
<a href=#24 id=24 data-nosnippet>24</a> k,
|
||||
<a href=#25 id=25 data-nosnippet>25</a> v,
|
||||
<a href=#26 id=26 data-nosnippet>26</a> }
|
||||
<a href=#27 id=27 data-nosnippet>27</a> }
|
||||
<a href=#28 id=28 data-nosnippet>28</a>
|
||||
<a href=#29 id=29 data-nosnippet>29</a> <span class="kw">pub fn </span>key(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw-2">&</span>K {
|
||||
<a href=#30 id=30 data-nosnippet>30</a> <span class="self">self</span>.pair().<span class="number">0
|
||||
<a href=#31 id=31 data-nosnippet>31</a> </span>}
|
||||
<a href=#32 id=32 data-nosnippet>32</a>
|
||||
<a href=#33 id=33 data-nosnippet>33</a> <span class="kw">pub fn </span>value(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw-2">&</span>V {
|
||||
<a href=#34 id=34 data-nosnippet>34</a> <span class="self">self</span>.pair().<span class="number">1
|
||||
<a href=#35 id=35 data-nosnippet>35</a> </span>}
|
||||
<a href=#36 id=36 data-nosnippet>36</a>
|
||||
<a href=#37 id=37 data-nosnippet>37</a> <span class="kw">pub fn </span>pair(<span class="kw-2">&</span><span class="self">self</span>) -> (<span class="kw-2">&</span>K, <span class="kw-2">&</span>V) {
|
||||
<a href=#38 id=38 data-nosnippet>38</a> <span class="kw">unsafe </span>{ (<span class="kw-2">&*</span><span class="self">self</span>.k, <span class="kw-2">&*</span><span class="self">self</span>.v) }
|
||||
<a href=#39 id=39 data-nosnippet>39</a> }
|
||||
<a href=#40 id=40 data-nosnippet>40</a>
|
||||
<a href=#41 id=41 data-nosnippet>41</a> <span class="kw">pub fn </span>map<F, T>(<span class="self">self</span>, f: F) -> MappedRef<<span class="lifetime">'a</span>, K, V, T>
|
||||
<a href=#42 id=42 data-nosnippet>42</a> <span class="kw">where
|
||||
<a href=#43 id=43 data-nosnippet>43</a> </span>F: FnOnce(<span class="kw-2">&</span>V) -> <span class="kw-2">&</span>T,
|
||||
<a href=#44 id=44 data-nosnippet>44</a> {
|
||||
<a href=#45 id=45 data-nosnippet>45</a> MappedRef {
|
||||
<a href=#46 id=46 data-nosnippet>46</a> _guard: <span class="self">self</span>._guard,
|
||||
<a href=#47 id=47 data-nosnippet>47</a> k: <span class="self">self</span>.k,
|
||||
<a href=#48 id=48 data-nosnippet>48</a> v: f(<span class="kw">unsafe </span>{ <span class="kw-2">&*</span><span class="self">self</span>.v }),
|
||||
<a href=#49 id=49 data-nosnippet>49</a> }
|
||||
<a href=#50 id=50 data-nosnippet>50</a> }
|
||||
<a href=#51 id=51 data-nosnippet>51</a>
|
||||
<a href=#52 id=52 data-nosnippet>52</a> <span class="kw">pub fn </span>try_map<F, T>(<span class="self">self</span>, f: F) -> <span class="prelude-ty">Result</span><MappedRef<<span class="lifetime">'a</span>, K, V, T>, <span class="self">Self</span>>
|
||||
<a href=#53 id=53 data-nosnippet>53</a> <span class="kw">where
|
||||
<a href=#54 id=54 data-nosnippet>54</a> </span>F: FnOnce(<span class="kw-2">&</span>V) -> <span class="prelude-ty">Option</span><<span class="kw-2">&</span>T>,
|
||||
<a href=#55 id=55 data-nosnippet>55</a> {
|
||||
<a href=#56 id=56 data-nosnippet>56</a> <span class="kw">if let </span><span class="prelude-val">Some</span>(v) = f(<span class="kw">unsafe </span>{ <span class="kw-2">&*</span><span class="self">self</span>.v }) {
|
||||
<a href=#57 id=57 data-nosnippet>57</a> <span class="prelude-val">Ok</span>(MappedRef {
|
||||
<a href=#58 id=58 data-nosnippet>58</a> _guard: <span class="self">self</span>._guard,
|
||||
<a href=#59 id=59 data-nosnippet>59</a> k: <span class="self">self</span>.k,
|
||||
<a href=#60 id=60 data-nosnippet>60</a> v,
|
||||
<a href=#61 id=61 data-nosnippet>61</a> })
|
||||
<a href=#62 id=62 data-nosnippet>62</a> } <span class="kw">else </span>{
|
||||
<a href=#63 id=63 data-nosnippet>63</a> <span class="prelude-val">Err</span>(<span class="self">self</span>)
|
||||
<a href=#64 id=64 data-nosnippet>64</a> }
|
||||
<a href=#65 id=65 data-nosnippet>65</a> }
|
||||
<a href=#66 id=66 data-nosnippet>66</a>}
|
||||
<a href=#67 id=67 data-nosnippet>67</a>
|
||||
<a href=#68 id=68 data-nosnippet>68</a><span class="kw">impl</span><<span class="lifetime">'a</span>, K: Eq + Hash + Debug, V: Debug> Debug <span class="kw">for </span>Ref<<span class="lifetime">'a</span>, K, V> {
|
||||
<a href=#69 id=69 data-nosnippet>69</a> <span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span>Formatter<<span class="lifetime">'_</span>>) -> std::fmt::Result {
|
||||
<a href=#70 id=70 data-nosnippet>70</a> f.debug_struct(<span class="string">"Ref"</span>)
|
||||
<a href=#71 id=71 data-nosnippet>71</a> .field(<span class="string">"k"</span>, <span class="kw-2">&</span><span class="self">self</span>.k)
|
||||
<a href=#72 id=72 data-nosnippet>72</a> .field(<span class="string">"v"</span>, <span class="kw-2">&</span><span class="self">self</span>.v)
|
||||
<a href=#73 id=73 data-nosnippet>73</a> .finish()
|
||||
<a href=#74 id=74 data-nosnippet>74</a> }
|
||||
<a href=#75 id=75 data-nosnippet>75</a>}
|
||||
<a href=#76 id=76 data-nosnippet>76</a>
|
||||
<a href=#77 id=77 data-nosnippet>77</a><span class="kw">impl</span><<span class="lifetime">'a</span>, K: Eq + Hash, V> Deref <span class="kw">for </span>Ref<<span class="lifetime">'a</span>, K, V> {
|
||||
<a href=#78 id=78 data-nosnippet>78</a> <span class="kw">type </span>Target = V;
|
||||
<a href=#79 id=79 data-nosnippet>79</a>
|
||||
<a href=#80 id=80 data-nosnippet>80</a> <span class="kw">fn </span>deref(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw-2">&</span>V {
|
||||
<a href=#81 id=81 data-nosnippet>81</a> <span class="self">self</span>.value()
|
||||
<a href=#82 id=82 data-nosnippet>82</a> }
|
||||
<a href=#83 id=83 data-nosnippet>83</a>}
|
||||
<a href=#84 id=84 data-nosnippet>84</a>
|
||||
<a href=#85 id=85 data-nosnippet>85</a><span class="kw">pub struct </span>RefMut<<span class="lifetime">'a</span>, K, V> {
|
||||
<a href=#86 id=86 data-nosnippet>86</a> guard: RwLockWriteGuard<<span class="lifetime">'a</span>, HashMap<K, V>>,
|
||||
<a href=#87 id=87 data-nosnippet>87</a> k: <span class="kw-2">*const </span>K,
|
||||
<a href=#88 id=88 data-nosnippet>88</a> v: <span class="kw-2">*mut </span>V,
|
||||
<a href=#89 id=89 data-nosnippet>89</a>}
|
||||
<a href=#90 id=90 data-nosnippet>90</a>
|
||||
<a href=#91 id=91 data-nosnippet>91</a><span class="kw">unsafe impl</span><<span class="lifetime">'a</span>, K: Eq + Hash + Sync, V: Sync> Send <span class="kw">for </span>RefMut<<span class="lifetime">'a</span>, K, V> {}
|
||||
<a href=#92 id=92 data-nosnippet>92</a><span class="kw">unsafe impl</span><<span class="lifetime">'a</span>, K: Eq + Hash + Sync, V: Sync> Sync <span class="kw">for </span>RefMut<<span class="lifetime">'a</span>, K, V> {}
|
||||
<a href=#93 id=93 data-nosnippet>93</a>
|
||||
<a href=#94 id=94 data-nosnippet>94</a><span class="kw">impl</span><<span class="lifetime">'a</span>, K: Eq + Hash, V> RefMut<<span class="lifetime">'a</span>, K, V> {
|
||||
<a href=#95 id=95 data-nosnippet>95</a> <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">unsafe fn </span>new(
|
||||
<a href=#96 id=96 data-nosnippet>96</a> guard: RwLockWriteGuard<<span class="lifetime">'a</span>, HashMap<K, V>>,
|
||||
<a href=#97 id=97 data-nosnippet>97</a> k: <span class="kw-2">*const </span>K,
|
||||
<a href=#98 id=98 data-nosnippet>98</a> v: <span class="kw-2">*mut </span>V,
|
||||
<a href=#99 id=99 data-nosnippet>99</a> ) -> <span class="self">Self </span>{
|
||||
<a href=#100 id=100 data-nosnippet>100</a> <span class="self">Self </span>{ guard, k, v }
|
||||
<a href=#101 id=101 data-nosnippet>101</a> }
|
||||
<a href=#102 id=102 data-nosnippet>102</a>
|
||||
<a href=#103 id=103 data-nosnippet>103</a> <span class="kw">pub fn </span>key(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw-2">&</span>K {
|
||||
<a href=#104 id=104 data-nosnippet>104</a> <span class="self">self</span>.pair().<span class="number">0
|
||||
<a href=#105 id=105 data-nosnippet>105</a> </span>}
|
||||
<a href=#106 id=106 data-nosnippet>106</a>
|
||||
<a href=#107 id=107 data-nosnippet>107</a> <span class="kw">pub fn </span>value(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw-2">&</span>V {
|
||||
<a href=#108 id=108 data-nosnippet>108</a> <span class="self">self</span>.pair().<span class="number">1
|
||||
<a href=#109 id=109 data-nosnippet>109</a> </span>}
|
||||
<a href=#110 id=110 data-nosnippet>110</a>
|
||||
<a href=#111 id=111 data-nosnippet>111</a> <span class="kw">pub fn </span>value_mut(<span class="kw-2">&mut </span><span class="self">self</span>) -> <span class="kw-2">&mut </span>V {
|
||||
<a href=#112 id=112 data-nosnippet>112</a> <span class="self">self</span>.pair_mut().<span class="number">1
|
||||
<a href=#113 id=113 data-nosnippet>113</a> </span>}
|
||||
<a href=#114 id=114 data-nosnippet>114</a>
|
||||
<a href=#115 id=115 data-nosnippet>115</a> <span class="kw">pub fn </span>pair(<span class="kw-2">&</span><span class="self">self</span>) -> (<span class="kw-2">&</span>K, <span class="kw-2">&</span>V) {
|
||||
<a href=#116 id=116 data-nosnippet>116</a> <span class="kw">unsafe </span>{ (<span class="kw-2">&*</span><span class="self">self</span>.k, <span class="kw-2">&*</span><span class="self">self</span>.v) }
|
||||
<a href=#117 id=117 data-nosnippet>117</a> }
|
||||
<a href=#118 id=118 data-nosnippet>118</a>
|
||||
<a href=#119 id=119 data-nosnippet>119</a> <span class="kw">pub fn </span>pair_mut(<span class="kw-2">&mut </span><span class="self">self</span>) -> (<span class="kw-2">&</span>K, <span class="kw-2">&mut </span>V) {
|
||||
<a href=#120 id=120 data-nosnippet>120</a> <span class="kw">unsafe </span>{ (<span class="kw-2">&*</span><span class="self">self</span>.k, <span class="kw-2">&mut *</span><span class="self">self</span>.v) }
|
||||
<a href=#121 id=121 data-nosnippet>121</a> }
|
||||
<a href=#122 id=122 data-nosnippet>122</a>
|
||||
<a href=#123 id=123 data-nosnippet>123</a> <span class="kw">pub fn </span>downgrade(<span class="self">self</span>) -> Ref<<span class="lifetime">'a</span>, K, V> {
|
||||
<a href=#124 id=124 data-nosnippet>124</a> <span class="kw">unsafe </span>{ Ref::new(RwLockWriteGuard::downgrade(<span class="self">self</span>.guard), <span class="self">self</span>.k, <span class="self">self</span>.v) }
|
||||
<a href=#125 id=125 data-nosnippet>125</a> }
|
||||
<a href=#126 id=126 data-nosnippet>126</a>
|
||||
<a href=#127 id=127 data-nosnippet>127</a> <span class="kw">pub fn </span>map<F, T>(<span class="self">self</span>, f: F) -> MappedRefMut<<span class="lifetime">'a</span>, K, V, T>
|
||||
<a href=#128 id=128 data-nosnippet>128</a> <span class="kw">where
|
||||
<a href=#129 id=129 data-nosnippet>129</a> </span>F: FnOnce(<span class="kw-2">&mut </span>V) -> <span class="kw-2">&mut </span>T,
|
||||
<a href=#130 id=130 data-nosnippet>130</a> {
|
||||
<a href=#131 id=131 data-nosnippet>131</a> MappedRefMut {
|
||||
<a href=#132 id=132 data-nosnippet>132</a> _guard: <span class="self">self</span>.guard,
|
||||
<a href=#133 id=133 data-nosnippet>133</a> k: <span class="self">self</span>.k,
|
||||
<a href=#134 id=134 data-nosnippet>134</a> v: f(<span class="kw">unsafe </span>{ <span class="kw-2">&mut *</span><span class="self">self</span>.v }),
|
||||
<a href=#135 id=135 data-nosnippet>135</a> }
|
||||
<a href=#136 id=136 data-nosnippet>136</a> }
|
||||
<a href=#137 id=137 data-nosnippet>137</a>
|
||||
<a href=#138 id=138 data-nosnippet>138</a> <span class="kw">pub fn </span>try_map<F, T>(<span class="self">self</span>, f: F) -> <span class="prelude-ty">Result</span><MappedRefMut<<span class="lifetime">'a</span>, K, V, T>, <span class="self">Self</span>>
|
||||
<a href=#139 id=139 data-nosnippet>139</a> <span class="kw">where
|
||||
<a href=#140 id=140 data-nosnippet>140</a> </span>F: FnOnce(<span class="kw-2">&mut </span>V) -> <span class="prelude-ty">Option</span><<span class="kw-2">&mut </span>T>,
|
||||
<a href=#141 id=141 data-nosnippet>141</a> {
|
||||
<a href=#142 id=142 data-nosnippet>142</a> <span class="kw">let </span>v = <span class="kw">match </span>f(<span class="kw">unsafe </span>{ <span class="kw-2">&mut *</span>(<span class="self">self</span>.v <span class="kw">as </span><span class="kw-2">*mut </span><span class="kw">_</span>) }) {
|
||||
<a href=#143 id=143 data-nosnippet>143</a> <span class="prelude-val">Some</span>(v) => v,
|
||||
<a href=#144 id=144 data-nosnippet>144</a> <span class="prelude-val">None </span>=> <span class="kw">return </span><span class="prelude-val">Err</span>(<span class="self">self</span>),
|
||||
<a href=#145 id=145 data-nosnippet>145</a> };
|
||||
<a href=#146 id=146 data-nosnippet>146</a> <span class="kw">let </span>guard = <span class="self">self</span>.guard;
|
||||
<a href=#147 id=147 data-nosnippet>147</a> <span class="kw">let </span>k = <span class="self">self</span>.k;
|
||||
<a href=#148 id=148 data-nosnippet>148</a> <span class="prelude-val">Ok</span>(MappedRefMut {
|
||||
<a href=#149 id=149 data-nosnippet>149</a> _guard: guard,
|
||||
<a href=#150 id=150 data-nosnippet>150</a> k,
|
||||
<a href=#151 id=151 data-nosnippet>151</a> v,
|
||||
<a href=#152 id=152 data-nosnippet>152</a> })
|
||||
<a href=#153 id=153 data-nosnippet>153</a> }
|
||||
<a href=#154 id=154 data-nosnippet>154</a>}
|
||||
<a href=#155 id=155 data-nosnippet>155</a>
|
||||
<a href=#156 id=156 data-nosnippet>156</a><span class="kw">impl</span><<span class="lifetime">'a</span>, K: Eq + Hash + Debug, V: Debug> Debug <span class="kw">for </span>RefMut<<span class="lifetime">'a</span>, K, V> {
|
||||
<a href=#157 id=157 data-nosnippet>157</a> <span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span>Formatter<<span class="lifetime">'_</span>>) -> std::fmt::Result {
|
||||
<a href=#158 id=158 data-nosnippet>158</a> f.debug_struct(<span class="string">"RefMut"</span>)
|
||||
<a href=#159 id=159 data-nosnippet>159</a> .field(<span class="string">"k"</span>, <span class="kw-2">&</span><span class="self">self</span>.k)
|
||||
<a href=#160 id=160 data-nosnippet>160</a> .field(<span class="string">"v"</span>, <span class="kw-2">&</span><span class="self">self</span>.v)
|
||||
<a href=#161 id=161 data-nosnippet>161</a> .finish()
|
||||
<a href=#162 id=162 data-nosnippet>162</a> }
|
||||
<a href=#163 id=163 data-nosnippet>163</a>}
|
||||
<a href=#164 id=164 data-nosnippet>164</a>
|
||||
<a href=#165 id=165 data-nosnippet>165</a><span class="kw">impl</span><<span class="lifetime">'a</span>, K: Eq + Hash, V> Deref <span class="kw">for </span>RefMut<<span class="lifetime">'a</span>, K, V> {
|
||||
<a href=#166 id=166 data-nosnippet>166</a> <span class="kw">type </span>Target = V;
|
||||
<a href=#167 id=167 data-nosnippet>167</a>
|
||||
<a href=#168 id=168 data-nosnippet>168</a> <span class="kw">fn </span>deref(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw-2">&</span>V {
|
||||
<a href=#169 id=169 data-nosnippet>169</a> <span class="self">self</span>.value()
|
||||
<a href=#170 id=170 data-nosnippet>170</a> }
|
||||
<a href=#171 id=171 data-nosnippet>171</a>}
|
||||
<a href=#172 id=172 data-nosnippet>172</a>
|
||||
<a href=#173 id=173 data-nosnippet>173</a><span class="kw">impl</span><<span class="lifetime">'a</span>, K: Eq + Hash, V> DerefMut <span class="kw">for </span>RefMut<<span class="lifetime">'a</span>, K, V> {
|
||||
<a href=#174 id=174 data-nosnippet>174</a> <span class="kw">fn </span>deref_mut(<span class="kw-2">&mut </span><span class="self">self</span>) -> <span class="kw-2">&mut </span>V {
|
||||
<a href=#175 id=175 data-nosnippet>175</a> <span class="self">self</span>.value_mut()
|
||||
<a href=#176 id=176 data-nosnippet>176</a> }
|
||||
<a href=#177 id=177 data-nosnippet>177</a>}
|
||||
<a href=#178 id=178 data-nosnippet>178</a>
|
||||
<a href=#179 id=179 data-nosnippet>179</a><span class="kw">pub struct </span>MappedRef<<span class="lifetime">'a</span>, K, V, T> {
|
||||
<a href=#180 id=180 data-nosnippet>180</a> _guard: RwLockReadGuard<<span class="lifetime">'a</span>, HashMap<K, V>>,
|
||||
<a href=#181 id=181 data-nosnippet>181</a> k: <span class="kw-2">*const </span>K,
|
||||
<a href=#182 id=182 data-nosnippet>182</a> v: <span class="kw-2">*const </span>T,
|
||||
<a href=#183 id=183 data-nosnippet>183</a>}
|
||||
<a href=#184 id=184 data-nosnippet>184</a>
|
||||
<a href=#185 id=185 data-nosnippet>185</a><span class="kw">impl</span><<span class="lifetime">'a</span>, K: Eq + Hash, V, T> MappedRef<<span class="lifetime">'a</span>, K, V, T> {
|
||||
<a href=#186 id=186 data-nosnippet>186</a> <span class="kw">pub fn </span>key(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw-2">&</span>K {
|
||||
<a href=#187 id=187 data-nosnippet>187</a> <span class="self">self</span>.pair().<span class="number">0
|
||||
<a href=#188 id=188 data-nosnippet>188</a> </span>}
|
||||
<a href=#189 id=189 data-nosnippet>189</a>
|
||||
<a href=#190 id=190 data-nosnippet>190</a> <span class="kw">pub fn </span>value(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw-2">&</span>T {
|
||||
<a href=#191 id=191 data-nosnippet>191</a> <span class="self">self</span>.pair().<span class="number">1
|
||||
<a href=#192 id=192 data-nosnippet>192</a> </span>}
|
||||
<a href=#193 id=193 data-nosnippet>193</a>
|
||||
<a href=#194 id=194 data-nosnippet>194</a> <span class="kw">pub fn </span>pair(<span class="kw-2">&</span><span class="self">self</span>) -> (<span class="kw-2">&</span>K, <span class="kw-2">&</span>T) {
|
||||
<a href=#195 id=195 data-nosnippet>195</a> <span class="kw">unsafe </span>{ (<span class="kw-2">&*</span><span class="self">self</span>.k, <span class="kw-2">&*</span><span class="self">self</span>.v) }
|
||||
<a href=#196 id=196 data-nosnippet>196</a> }
|
||||
<a href=#197 id=197 data-nosnippet>197</a>
|
||||
<a href=#198 id=198 data-nosnippet>198</a> <span class="kw">pub fn </span>map<F, T2>(<span class="self">self</span>, f: F) -> MappedRef<<span class="lifetime">'a</span>, K, V, T2>
|
||||
<a href=#199 id=199 data-nosnippet>199</a> <span class="kw">where
|
||||
<a href=#200 id=200 data-nosnippet>200</a> </span>F: FnOnce(<span class="kw-2">&</span>T) -> <span class="kw-2">&</span>T2,
|
||||
<a href=#201 id=201 data-nosnippet>201</a> {
|
||||
<a href=#202 id=202 data-nosnippet>202</a> MappedRef {
|
||||
<a href=#203 id=203 data-nosnippet>203</a> _guard: <span class="self">self</span>._guard,
|
||||
<a href=#204 id=204 data-nosnippet>204</a> k: <span class="self">self</span>.k,
|
||||
<a href=#205 id=205 data-nosnippet>205</a> v: f(<span class="kw">unsafe </span>{ <span class="kw-2">&*</span><span class="self">self</span>.v }),
|
||||
<a href=#206 id=206 data-nosnippet>206</a> }
|
||||
<a href=#207 id=207 data-nosnippet>207</a> }
|
||||
<a href=#208 id=208 data-nosnippet>208</a>
|
||||
<a href=#209 id=209 data-nosnippet>209</a> <span class="kw">pub fn </span>try_map<F, T2>(<span class="self">self</span>, f: F) -> <span class="prelude-ty">Result</span><MappedRef<<span class="lifetime">'a</span>, K, V, T2>, <span class="self">Self</span>>
|
||||
<a href=#210 id=210 data-nosnippet>210</a> <span class="kw">where
|
||||
<a href=#211 id=211 data-nosnippet>211</a> </span>F: FnOnce(<span class="kw-2">&</span>T) -> <span class="prelude-ty">Option</span><<span class="kw-2">&</span>T2>,
|
||||
<a href=#212 id=212 data-nosnippet>212</a> {
|
||||
<a href=#213 id=213 data-nosnippet>213</a> <span class="kw">let </span>v = <span class="kw">match </span>f(<span class="kw">unsafe </span>{ <span class="kw-2">&*</span><span class="self">self</span>.v }) {
|
||||
<a href=#214 id=214 data-nosnippet>214</a> <span class="prelude-val">Some</span>(v) => v,
|
||||
<a href=#215 id=215 data-nosnippet>215</a> <span class="prelude-val">None </span>=> <span class="kw">return </span><span class="prelude-val">Err</span>(<span class="self">self</span>),
|
||||
<a href=#216 id=216 data-nosnippet>216</a> };
|
||||
<a href=#217 id=217 data-nosnippet>217</a> <span class="kw">let </span>guard = <span class="self">self</span>._guard;
|
||||
<a href=#218 id=218 data-nosnippet>218</a> <span class="prelude-val">Ok</span>(MappedRef {
|
||||
<a href=#219 id=219 data-nosnippet>219</a> _guard: guard,
|
||||
<a href=#220 id=220 data-nosnippet>220</a> k: <span class="self">self</span>.k,
|
||||
<a href=#221 id=221 data-nosnippet>221</a> v,
|
||||
<a href=#222 id=222 data-nosnippet>222</a> })
|
||||
<a href=#223 id=223 data-nosnippet>223</a> }
|
||||
<a href=#224 id=224 data-nosnippet>224</a>}
|
||||
<a href=#225 id=225 data-nosnippet>225</a>
|
||||
<a href=#226 id=226 data-nosnippet>226</a><span class="kw">impl</span><<span class="lifetime">'a</span>, K: Eq + Hash + Debug, V, T: Debug> Debug <span class="kw">for </span>MappedRef<<span class="lifetime">'a</span>, K, V, T> {
|
||||
<a href=#227 id=227 data-nosnippet>227</a> <span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span>Formatter<<span class="lifetime">'_</span>>) -> std::fmt::Result {
|
||||
<a href=#228 id=228 data-nosnippet>228</a> f.debug_struct(<span class="string">"MappedRef"</span>)
|
||||
<a href=#229 id=229 data-nosnippet>229</a> .field(<span class="string">"k"</span>, <span class="kw-2">&</span><span class="self">self</span>.k)
|
||||
<a href=#230 id=230 data-nosnippet>230</a> .field(<span class="string">"v"</span>, <span class="kw-2">&</span><span class="self">self</span>.v)
|
||||
<a href=#231 id=231 data-nosnippet>231</a> .finish()
|
||||
<a href=#232 id=232 data-nosnippet>232</a> }
|
||||
<a href=#233 id=233 data-nosnippet>233</a>}
|
||||
<a href=#234 id=234 data-nosnippet>234</a>
|
||||
<a href=#235 id=235 data-nosnippet>235</a><span class="kw">impl</span><<span class="lifetime">'a</span>, K: Eq + Hash, V, T> Deref <span class="kw">for </span>MappedRef<<span class="lifetime">'a</span>, K, V, T> {
|
||||
<a href=#236 id=236 data-nosnippet>236</a> <span class="kw">type </span>Target = T;
|
||||
<a href=#237 id=237 data-nosnippet>237</a>
|
||||
<a href=#238 id=238 data-nosnippet>238</a> <span class="kw">fn </span>deref(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw-2">&</span>T {
|
||||
<a href=#239 id=239 data-nosnippet>239</a> <span class="self">self</span>.value()
|
||||
<a href=#240 id=240 data-nosnippet>240</a> }
|
||||
<a href=#241 id=241 data-nosnippet>241</a>}
|
||||
<a href=#242 id=242 data-nosnippet>242</a>
|
||||
<a href=#243 id=243 data-nosnippet>243</a><span class="kw">impl</span><<span class="lifetime">'a</span>, K: Eq + Hash, V, T: std::fmt::Display> std::fmt::Display <span class="kw">for </span>MappedRef<<span class="lifetime">'a</span>, K, V, T> {
|
||||
<a href=#244 id=244 data-nosnippet>244</a> <span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span>std::fmt::Formatter<<span class="lifetime">'_</span>>) -> std::fmt::Result {
|
||||
<a href=#245 id=245 data-nosnippet>245</a> std::fmt::Display::fmt(<span class="self">self</span>.value(), f)
|
||||
<a href=#246 id=246 data-nosnippet>246</a> }
|
||||
<a href=#247 id=247 data-nosnippet>247</a>}
|
||||
<a href=#248 id=248 data-nosnippet>248</a>
|
||||
<a href=#249 id=249 data-nosnippet>249</a><span class="kw">impl</span><<span class="lifetime">'a</span>, K: Eq + Hash, V, T: AsRef<TDeref>, TDeref: <span class="question-mark">?</span>Sized> AsRef<TDeref>
|
||||
<a href=#250 id=250 data-nosnippet>250</a> <span class="kw">for </span>MappedRef<<span class="lifetime">'a</span>, K, V, T>
|
||||
<a href=#251 id=251 data-nosnippet>251</a>{
|
||||
<a href=#252 id=252 data-nosnippet>252</a> <span class="kw">fn </span>as_ref(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw-2">&</span>TDeref {
|
||||
<a href=#253 id=253 data-nosnippet>253</a> <span class="self">self</span>.value().as_ref()
|
||||
<a href=#254 id=254 data-nosnippet>254</a> }
|
||||
<a href=#255 id=255 data-nosnippet>255</a>}
|
||||
<a href=#256 id=256 data-nosnippet>256</a>
|
||||
<a href=#257 id=257 data-nosnippet>257</a><span class="kw">pub struct </span>MappedRefMut<<span class="lifetime">'a</span>, K, V, T> {
|
||||
<a href=#258 id=258 data-nosnippet>258</a> _guard: RwLockWriteGuard<<span class="lifetime">'a</span>, HashMap<K, V>>,
|
||||
<a href=#259 id=259 data-nosnippet>259</a> k: <span class="kw-2">*const </span>K,
|
||||
<a href=#260 id=260 data-nosnippet>260</a> v: <span class="kw-2">*mut </span>T,
|
||||
<a href=#261 id=261 data-nosnippet>261</a>}
|
||||
<a href=#262 id=262 data-nosnippet>262</a>
|
||||
<a href=#263 id=263 data-nosnippet>263</a><span class="kw">impl</span><<span class="lifetime">'a</span>, K: Eq + Hash, V, T> MappedRefMut<<span class="lifetime">'a</span>, K, V, T> {
|
||||
<a href=#264 id=264 data-nosnippet>264</a> <span class="kw">pub fn </span>key(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw-2">&</span>K {
|
||||
<a href=#265 id=265 data-nosnippet>265</a> <span class="self">self</span>.pair().<span class="number">0
|
||||
<a href=#266 id=266 data-nosnippet>266</a> </span>}
|
||||
<a href=#267 id=267 data-nosnippet>267</a>
|
||||
<a href=#268 id=268 data-nosnippet>268</a> <span class="kw">pub fn </span>value(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw-2">&</span>T {
|
||||
<a href=#269 id=269 data-nosnippet>269</a> <span class="self">self</span>.pair().<span class="number">1
|
||||
<a href=#270 id=270 data-nosnippet>270</a> </span>}
|
||||
<a href=#271 id=271 data-nosnippet>271</a>
|
||||
<a href=#272 id=272 data-nosnippet>272</a> <span class="kw">pub fn </span>value_mut(<span class="kw-2">&mut </span><span class="self">self</span>) -> <span class="kw-2">&mut </span>T {
|
||||
<a href=#273 id=273 data-nosnippet>273</a> <span class="self">self</span>.pair_mut().<span class="number">1
|
||||
<a href=#274 id=274 data-nosnippet>274</a> </span>}
|
||||
<a href=#275 id=275 data-nosnippet>275</a>
|
||||
<a href=#276 id=276 data-nosnippet>276</a> <span class="kw">pub fn </span>pair(<span class="kw-2">&</span><span class="self">self</span>) -> (<span class="kw-2">&</span>K, <span class="kw-2">&</span>T) {
|
||||
<a href=#277 id=277 data-nosnippet>277</a> <span class="kw">unsafe </span>{ (<span class="kw-2">&*</span><span class="self">self</span>.k, <span class="kw-2">&*</span><span class="self">self</span>.v) }
|
||||
<a href=#278 id=278 data-nosnippet>278</a> }
|
||||
<a href=#279 id=279 data-nosnippet>279</a>
|
||||
<a href=#280 id=280 data-nosnippet>280</a> <span class="kw">pub fn </span>pair_mut(<span class="kw-2">&mut </span><span class="self">self</span>) -> (<span class="kw-2">&</span>K, <span class="kw-2">&mut </span>T) {
|
||||
<a href=#281 id=281 data-nosnippet>281</a> <span class="kw">unsafe </span>{ (<span class="kw-2">&*</span><span class="self">self</span>.k, <span class="kw-2">&mut *</span><span class="self">self</span>.v) }
|
||||
<a href=#282 id=282 data-nosnippet>282</a> }
|
||||
<a href=#283 id=283 data-nosnippet>283</a>
|
||||
<a href=#284 id=284 data-nosnippet>284</a> <span class="kw">pub fn </span>map<F, T2>(<span class="self">self</span>, f: F) -> MappedRefMut<<span class="lifetime">'a</span>, K, V, T2>
|
||||
<a href=#285 id=285 data-nosnippet>285</a> <span class="kw">where
|
||||
<a href=#286 id=286 data-nosnippet>286</a> </span>F: FnOnce(<span class="kw-2">&mut </span>T) -> <span class="kw-2">&mut </span>T2,
|
||||
<a href=#287 id=287 data-nosnippet>287</a> {
|
||||
<a href=#288 id=288 data-nosnippet>288</a> MappedRefMut {
|
||||
<a href=#289 id=289 data-nosnippet>289</a> _guard: <span class="self">self</span>._guard,
|
||||
<a href=#290 id=290 data-nosnippet>290</a> k: <span class="self">self</span>.k,
|
||||
<a href=#291 id=291 data-nosnippet>291</a> v: f(<span class="kw">unsafe </span>{ <span class="kw-2">&mut *</span><span class="self">self</span>.v }),
|
||||
<a href=#292 id=292 data-nosnippet>292</a> }
|
||||
<a href=#293 id=293 data-nosnippet>293</a> }
|
||||
<a href=#294 id=294 data-nosnippet>294</a>
|
||||
<a href=#295 id=295 data-nosnippet>295</a> <span class="kw">pub fn </span>try_map<F, T2>(<span class="self">self</span>, f: F) -> <span class="prelude-ty">Result</span><MappedRefMut<<span class="lifetime">'a</span>, K, V, T2>, <span class="self">Self</span>>
|
||||
<a href=#296 id=296 data-nosnippet>296</a> <span class="kw">where
|
||||
<a href=#297 id=297 data-nosnippet>297</a> </span>F: FnOnce(<span class="kw-2">&mut </span>T) -> <span class="prelude-ty">Option</span><<span class="kw-2">&mut </span>T2>,
|
||||
<a href=#298 id=298 data-nosnippet>298</a> {
|
||||
<a href=#299 id=299 data-nosnippet>299</a> <span class="kw">let </span>v = <span class="kw">match </span>f(<span class="kw">unsafe </span>{ <span class="kw-2">&mut *</span>(<span class="self">self</span>.v <span class="kw">as </span><span class="kw-2">*mut </span><span class="kw">_</span>) }) {
|
||||
<a href=#300 id=300 data-nosnippet>300</a> <span class="prelude-val">Some</span>(v) => v,
|
||||
<a href=#301 id=301 data-nosnippet>301</a> <span class="prelude-val">None </span>=> <span class="kw">return </span><span class="prelude-val">Err</span>(<span class="self">self</span>),
|
||||
<a href=#302 id=302 data-nosnippet>302</a> };
|
||||
<a href=#303 id=303 data-nosnippet>303</a> <span class="kw">let </span>guard = <span class="self">self</span>._guard;
|
||||
<a href=#304 id=304 data-nosnippet>304</a> <span class="kw">let </span>k = <span class="self">self</span>.k;
|
||||
<a href=#305 id=305 data-nosnippet>305</a> <span class="prelude-val">Ok</span>(MappedRefMut {
|
||||
<a href=#306 id=306 data-nosnippet>306</a> _guard: guard,
|
||||
<a href=#307 id=307 data-nosnippet>307</a> k,
|
||||
<a href=#308 id=308 data-nosnippet>308</a> v,
|
||||
<a href=#309 id=309 data-nosnippet>309</a> })
|
||||
<a href=#310 id=310 data-nosnippet>310</a> }
|
||||
<a href=#311 id=311 data-nosnippet>311</a>}
|
||||
<a href=#312 id=312 data-nosnippet>312</a>
|
||||
<a href=#313 id=313 data-nosnippet>313</a><span class="kw">impl</span><<span class="lifetime">'a</span>, K: Eq + Hash + Debug, V, T: Debug> Debug <span class="kw">for </span>MappedRefMut<<span class="lifetime">'a</span>, K, V, T> {
|
||||
<a href=#314 id=314 data-nosnippet>314</a> <span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span>Formatter<<span class="lifetime">'_</span>>) -> std::fmt::Result {
|
||||
<a href=#315 id=315 data-nosnippet>315</a> f.debug_struct(<span class="string">"MappedRefMut"</span>)
|
||||
<a href=#316 id=316 data-nosnippet>316</a> .field(<span class="string">"k"</span>, <span class="kw-2">&</span><span class="self">self</span>.k)
|
||||
<a href=#317 id=317 data-nosnippet>317</a> .field(<span class="string">"v"</span>, <span class="kw-2">&</span><span class="self">self</span>.v)
|
||||
<a href=#318 id=318 data-nosnippet>318</a> .finish()
|
||||
<a href=#319 id=319 data-nosnippet>319</a> }
|
||||
<a href=#320 id=320 data-nosnippet>320</a>}
|
||||
<a href=#321 id=321 data-nosnippet>321</a>
|
||||
<a href=#322 id=322 data-nosnippet>322</a><span class="kw">impl</span><<span class="lifetime">'a</span>, K: Eq + Hash, V, T> Deref <span class="kw">for </span>MappedRefMut<<span class="lifetime">'a</span>, K, V, T> {
|
||||
<a href=#323 id=323 data-nosnippet>323</a> <span class="kw">type </span>Target = T;
|
||||
<a href=#324 id=324 data-nosnippet>324</a>
|
||||
<a href=#325 id=325 data-nosnippet>325</a> <span class="kw">fn </span>deref(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw-2">&</span>T {
|
||||
<a href=#326 id=326 data-nosnippet>326</a> <span class="self">self</span>.value()
|
||||
<a href=#327 id=327 data-nosnippet>327</a> }
|
||||
<a href=#328 id=328 data-nosnippet>328</a>}
|
||||
<a href=#329 id=329 data-nosnippet>329</a>
|
||||
<a href=#330 id=330 data-nosnippet>330</a><span class="kw">impl</span><<span class="lifetime">'a</span>, K: Eq + Hash, V, T> DerefMut <span class="kw">for </span>MappedRefMut<<span class="lifetime">'a</span>, K, V, T> {
|
||||
<a href=#331 id=331 data-nosnippet>331</a> <span class="kw">fn </span>deref_mut(<span class="kw-2">&mut </span><span class="self">self</span>) -> <span class="kw-2">&mut </span>T {
|
||||
<a href=#332 id=332 data-nosnippet>332</a> <span class="self">self</span>.value_mut()
|
||||
<a href=#333 id=333 data-nosnippet>333</a> }
|
||||
<a href=#334 id=334 data-nosnippet>334</a>}
|
||||
</code></pre></div></section></main></body></html>
|
||||
263
target/doc/src/dashmap/read_only.rs.html
Normal file
263
target/doc/src/dashmap/read_only.rs.html
Normal file
@@ -0,0 +1,263 @@
|
||||
<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `C:\Users\szend\.cargo\registry\src\index.crates.io-1949cf8c6b5b557f\dashmap-6.1.0\src\read_only.rs`."><title>read_only.rs - source</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-6b053e98.ttf.woff2,FiraSans-Italic-81dc35de.woff2,FiraSans-Regular-0fe48ade.woff2,FiraSans-MediumItalic-ccf7e434.woff2,FiraSans-Medium-e1aa3f0a.woff2,SourceCodePro-Regular-8badfe75.ttf.woff2,SourceCodePro-Semibold-aa29a496.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2"href="../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../static.files/normalize-9960930a.css"><link rel="stylesheet" href="../../static.files/rustdoc-ca0dd0c4.css"><meta name="rustdoc-vars" data-root-path="../../" data-static-root-path="../../static.files/" data-current-crate="dashmap" data-themes="" data-resource-suffix="" data-rustdoc-version="1.93.1 (01f6ddf75 2026-02-11)" data-channel="1.93.1" data-search-js="search-9e2438ea.js" data-stringdex-js="stringdex-a3946164.js" data-settings-js="settings-c38705f0.js" ><script src="../../static.files/storage-e2aeef58.js"></script><script defer src="../../static.files/src-script-813739b1.js"></script><script defer src="../../src-files.js"></script><script defer src="../../static.files/main-a410ff4d.js"></script><noscript><link rel="stylesheet" href="../../static.files/noscript-263c88ec.css"></noscript><link rel="alternate icon" type="image/png" href="../../static.files/favicon-32x32-eab170b8.png"><link rel="icon" type="image/svg+xml" href="../../static.files/favicon-044be391.svg"></head><body class="rustdoc src"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="src-sidebar-title"><h2>Files</h2></div></nav><div class="sidebar-resizer" title="Drag to resize sidebar"></div><main><section id="main-content" class="content"><div class="main-heading"><h1><div class="sub-heading">dashmap/</div>read_only.rs</h1><rustdoc-toolbar></rustdoc-toolbar></div><div class="example-wrap digits-3"><pre class="rust"><code><a href=#1 id=1 data-nosnippet>1</a><span class="kw">use </span><span class="kw">crate</span>::lock::RwLock;
|
||||
<a href=#2 id=2 data-nosnippet>2</a><span class="kw">use </span><span class="kw">crate</span>::t::Map;
|
||||
<a href=#3 id=3 data-nosnippet>3</a><span class="kw">use crate</span>::{DashMap, HashMap};
|
||||
<a href=#4 id=4 data-nosnippet>4</a><span class="kw">use </span>cfg_if::cfg_if;
|
||||
<a href=#5 id=5 data-nosnippet>5</a><span class="kw">use </span>core::borrow::Borrow;
|
||||
<a href=#6 id=6 data-nosnippet>6</a><span class="kw">use </span>core::fmt;
|
||||
<a href=#7 id=7 data-nosnippet>7</a><span class="kw">use </span>core::hash::{BuildHasher, Hash};
|
||||
<a href=#8 id=8 data-nosnippet>8</a><span class="kw">use </span>crossbeam_utils::CachePadded;
|
||||
<a href=#9 id=9 data-nosnippet>9</a><span class="kw">use </span>std::collections::hash_map::RandomState;
|
||||
<a href=#10 id=10 data-nosnippet>10</a>
|
||||
<a href=#11 id=11 data-nosnippet>11</a><span class="doccomment">/// A read-only view into a `DashMap`. Allows to obtain raw references to the stored values.
|
||||
<a href=#12 id=12 data-nosnippet>12</a></span><span class="kw">pub struct </span>ReadOnlyView<K, V, S = RandomState> {
|
||||
<a href=#13 id=13 data-nosnippet>13</a> <span class="kw">pub</span>(<span class="kw">crate</span>) map: DashMap<K, V, S>,
|
||||
<a href=#14 id=14 data-nosnippet>14</a>}
|
||||
<a href=#15 id=15 data-nosnippet>15</a>
|
||||
<a href=#16 id=16 data-nosnippet>16</a><span class="kw">impl</span><K: Eq + Hash + Clone, V: Clone, S: Clone> Clone <span class="kw">for </span>ReadOnlyView<K, V, S> {
|
||||
<a href=#17 id=17 data-nosnippet>17</a> <span class="kw">fn </span>clone(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="self">Self </span>{
|
||||
<a href=#18 id=18 data-nosnippet>18</a> <span class="self">Self </span>{
|
||||
<a href=#19 id=19 data-nosnippet>19</a> map: <span class="self">self</span>.map.clone(),
|
||||
<a href=#20 id=20 data-nosnippet>20</a> }
|
||||
<a href=#21 id=21 data-nosnippet>21</a> }
|
||||
<a href=#22 id=22 data-nosnippet>22</a>}
|
||||
<a href=#23 id=23 data-nosnippet>23</a>
|
||||
<a href=#24 id=24 data-nosnippet>24</a><span class="kw">impl</span><K: Eq + Hash + fmt::Debug, V: fmt::Debug, S: BuildHasher + Clone> fmt::Debug
|
||||
<a href=#25 id=25 data-nosnippet>25</a> <span class="kw">for </span>ReadOnlyView<K, V, S>
|
||||
<a href=#26 id=26 data-nosnippet>26</a>{
|
||||
<a href=#27 id=27 data-nosnippet>27</a> <span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span>fmt::Formatter<<span class="lifetime">'_</span>>) -> fmt::Result {
|
||||
<a href=#28 id=28 data-nosnippet>28</a> <span class="self">self</span>.map.fmt(f)
|
||||
<a href=#29 id=29 data-nosnippet>29</a> }
|
||||
<a href=#30 id=30 data-nosnippet>30</a>}
|
||||
<a href=#31 id=31 data-nosnippet>31</a>
|
||||
<a href=#32 id=32 data-nosnippet>32</a><span class="kw">impl</span><K, V, S> ReadOnlyView<K, V, S> {
|
||||
<a href=#33 id=33 data-nosnippet>33</a> <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn </span>new(map: DashMap<K, V, S>) -> <span class="self">Self </span>{
|
||||
<a href=#34 id=34 data-nosnippet>34</a> <span class="self">Self </span>{ map }
|
||||
<a href=#35 id=35 data-nosnippet>35</a> }
|
||||
<a href=#36 id=36 data-nosnippet>36</a>
|
||||
<a href=#37 id=37 data-nosnippet>37</a> <span class="doccomment">/// Consumes this `ReadOnlyView`, returning the underlying `DashMap`.
|
||||
<a href=#38 id=38 data-nosnippet>38</a> </span><span class="kw">pub fn </span>into_inner(<span class="self">self</span>) -> DashMap<K, V, S> {
|
||||
<a href=#39 id=39 data-nosnippet>39</a> <span class="self">self</span>.map
|
||||
<a href=#40 id=40 data-nosnippet>40</a> }
|
||||
<a href=#41 id=41 data-nosnippet>41</a>}
|
||||
<a href=#42 id=42 data-nosnippet>42</a>
|
||||
<a href=#43 id=43 data-nosnippet>43</a><span class="kw">impl</span><<span class="lifetime">'a</span>, K: <span class="lifetime">'a </span>+ Eq + Hash, V: <span class="lifetime">'a</span>, S: BuildHasher + Clone> ReadOnlyView<K, V, S> {
|
||||
<a href=#44 id=44 data-nosnippet>44</a> <span class="doccomment">/// Returns the number of elements in the map.
|
||||
<a href=#45 id=45 data-nosnippet>45</a> </span><span class="kw">pub fn </span>len(<span class="kw-2">&</span><span class="self">self</span>) -> usize {
|
||||
<a href=#46 id=46 data-nosnippet>46</a> <span class="self">self</span>.map.len()
|
||||
<a href=#47 id=47 data-nosnippet>47</a> }
|
||||
<a href=#48 id=48 data-nosnippet>48</a>
|
||||
<a href=#49 id=49 data-nosnippet>49</a> <span class="doccomment">/// Returns `true` if the map contains no elements.
|
||||
<a href=#50 id=50 data-nosnippet>50</a> </span><span class="kw">pub fn </span>is_empty(<span class="kw-2">&</span><span class="self">self</span>) -> bool {
|
||||
<a href=#51 id=51 data-nosnippet>51</a> <span class="self">self</span>.map.is_empty()
|
||||
<a href=#52 id=52 data-nosnippet>52</a> }
|
||||
<a href=#53 id=53 data-nosnippet>53</a>
|
||||
<a href=#54 id=54 data-nosnippet>54</a> <span class="doccomment">/// Returns the number of elements the map can hold without reallocating.
|
||||
<a href=#55 id=55 data-nosnippet>55</a> </span><span class="kw">pub fn </span>capacity(<span class="kw-2">&</span><span class="self">self</span>) -> usize {
|
||||
<a href=#56 id=56 data-nosnippet>56</a> <span class="self">self</span>.map.capacity()
|
||||
<a href=#57 id=57 data-nosnippet>57</a> }
|
||||
<a href=#58 id=58 data-nosnippet>58</a>
|
||||
<a href=#59 id=59 data-nosnippet>59</a> <span class="doccomment">/// Returns `true` if the map contains a value for the specified key.
|
||||
<a href=#60 id=60 data-nosnippet>60</a> </span><span class="kw">pub fn </span>contains_key<Q>(<span class="kw-2">&</span><span class="lifetime">'a </span><span class="self">self</span>, key: <span class="kw-2">&</span>Q) -> bool
|
||||
<a href=#61 id=61 data-nosnippet>61</a> <span class="kw">where
|
||||
<a href=#62 id=62 data-nosnippet>62</a> </span>K: Borrow<Q>,
|
||||
<a href=#63 id=63 data-nosnippet>63</a> Q: Hash + Eq + <span class="question-mark">?</span>Sized,
|
||||
<a href=#64 id=64 data-nosnippet>64</a> {
|
||||
<a href=#65 id=65 data-nosnippet>65</a> <span class="self">self</span>.get(key).is_some()
|
||||
<a href=#66 id=66 data-nosnippet>66</a> }
|
||||
<a href=#67 id=67 data-nosnippet>67</a>
|
||||
<a href=#68 id=68 data-nosnippet>68</a> <span class="doccomment">/// Returns a reference to the value corresponding to the key.
|
||||
<a href=#69 id=69 data-nosnippet>69</a> </span><span class="kw">pub fn </span>get<Q>(<span class="kw-2">&</span><span class="lifetime">'a </span><span class="self">self</span>, key: <span class="kw-2">&</span>Q) -> <span class="prelude-ty">Option</span><<span class="kw-2">&</span><span class="lifetime">'a </span>V>
|
||||
<a href=#70 id=70 data-nosnippet>70</a> <span class="kw">where
|
||||
<a href=#71 id=71 data-nosnippet>71</a> </span>K: Borrow<Q>,
|
||||
<a href=#72 id=72 data-nosnippet>72</a> Q: Hash + Eq + <span class="question-mark">?</span>Sized,
|
||||
<a href=#73 id=73 data-nosnippet>73</a> {
|
||||
<a href=#74 id=74 data-nosnippet>74</a> <span class="self">self</span>.get_key_value(key).map(|(_k, v)| v)
|
||||
<a href=#75 id=75 data-nosnippet>75</a> }
|
||||
<a href=#76 id=76 data-nosnippet>76</a>
|
||||
<a href=#77 id=77 data-nosnippet>77</a> <span class="doccomment">/// Returns the key-value pair corresponding to the supplied key.
|
||||
<a href=#78 id=78 data-nosnippet>78</a> </span><span class="kw">pub fn </span>get_key_value<Q>(<span class="kw-2">&</span><span class="lifetime">'a </span><span class="self">self</span>, key: <span class="kw-2">&</span>Q) -> <span class="prelude-ty">Option</span><(<span class="kw-2">&</span><span class="lifetime">'a </span>K, <span class="kw-2">&</span><span class="lifetime">'a </span>V)>
|
||||
<a href=#79 id=79 data-nosnippet>79</a> <span class="kw">where
|
||||
<a href=#80 id=80 data-nosnippet>80</a> </span>K: Borrow<Q>,
|
||||
<a href=#81 id=81 data-nosnippet>81</a> Q: Hash + Eq + <span class="question-mark">?</span>Sized,
|
||||
<a href=#82 id=82 data-nosnippet>82</a> {
|
||||
<a href=#83 id=83 data-nosnippet>83</a> <span class="kw">let </span>hash = <span class="self">self</span>.map.hash_u64(<span class="kw-2">&</span>key);
|
||||
<a href=#84 id=84 data-nosnippet>84</a>
|
||||
<a href=#85 id=85 data-nosnippet>85</a> <span class="kw">let </span>idx = <span class="self">self</span>.map.determine_shard(hash <span class="kw">as </span>usize);
|
||||
<a href=#86 id=86 data-nosnippet>86</a>
|
||||
<a href=#87 id=87 data-nosnippet>87</a> <span class="kw">let </span>shard = <span class="kw">unsafe </span>{ <span class="self">self</span>.map._get_read_shard(idx) };
|
||||
<a href=#88 id=88 data-nosnippet>88</a>
|
||||
<a href=#89 id=89 data-nosnippet>89</a> shard.find(hash, |(k, _v)| key == k.borrow()).map(|b| {
|
||||
<a href=#90 id=90 data-nosnippet>90</a> <span class="kw">let </span>(k, v) = <span class="kw">unsafe </span>{ b.as_ref() };
|
||||
<a href=#91 id=91 data-nosnippet>91</a> (k, v.get())
|
||||
<a href=#92 id=92 data-nosnippet>92</a> })
|
||||
<a href=#93 id=93 data-nosnippet>93</a> }
|
||||
<a href=#94 id=94 data-nosnippet>94</a>
|
||||
<a href=#95 id=95 data-nosnippet>95</a> <span class="doccomment">/// An iterator visiting all key-value pairs in arbitrary order. The iterator element type is `(&'a K, &'a V)`.
|
||||
<a href=#96 id=96 data-nosnippet>96</a> </span><span class="kw">pub fn </span>iter(<span class="kw-2">&</span><span class="lifetime">'a </span><span class="self">self</span>) -> <span class="kw">impl </span>Iterator<Item = (<span class="kw-2">&</span><span class="lifetime">'a </span>K, <span class="kw-2">&</span><span class="lifetime">'a </span>V)> + <span class="lifetime">'a </span>{
|
||||
<a href=#97 id=97 data-nosnippet>97</a> <span class="kw">unsafe </span>{
|
||||
<a href=#98 id=98 data-nosnippet>98</a> (<span class="number">0</span>..<span class="self">self</span>.map._shard_count())
|
||||
<a href=#99 id=99 data-nosnippet>99</a> .map(<span class="kw">move </span>|shard_i| <span class="self">self</span>.map._get_read_shard(shard_i))
|
||||
<a href=#100 id=100 data-nosnippet>100</a> .flat_map(|shard| shard.iter())
|
||||
<a href=#101 id=101 data-nosnippet>101</a> .map(|b| {
|
||||
<a href=#102 id=102 data-nosnippet>102</a> <span class="kw">let </span>(k, v) = b.as_ref();
|
||||
<a href=#103 id=103 data-nosnippet>103</a> (k, v.get())
|
||||
<a href=#104 id=104 data-nosnippet>104</a> })
|
||||
<a href=#105 id=105 data-nosnippet>105</a> }
|
||||
<a href=#106 id=106 data-nosnippet>106</a> }
|
||||
<a href=#107 id=107 data-nosnippet>107</a>
|
||||
<a href=#108 id=108 data-nosnippet>108</a> <span class="doccomment">/// An iterator visiting all keys in arbitrary order. The iterator element type is `&'a K`.
|
||||
<a href=#109 id=109 data-nosnippet>109</a> </span><span class="kw">pub fn </span>keys(<span class="kw-2">&</span><span class="lifetime">'a </span><span class="self">self</span>) -> <span class="kw">impl </span>Iterator<Item = <span class="kw-2">&</span><span class="lifetime">'a </span>K> + <span class="lifetime">'a </span>{
|
||||
<a href=#110 id=110 data-nosnippet>110</a> <span class="self">self</span>.iter().map(|(k, _v)| k)
|
||||
<a href=#111 id=111 data-nosnippet>111</a> }
|
||||
<a href=#112 id=112 data-nosnippet>112</a>
|
||||
<a href=#113 id=113 data-nosnippet>113</a> <span class="doccomment">/// An iterator visiting all values in arbitrary order. The iterator element type is `&'a V`.
|
||||
<a href=#114 id=114 data-nosnippet>114</a> </span><span class="kw">pub fn </span>values(<span class="kw-2">&</span><span class="lifetime">'a </span><span class="self">self</span>) -> <span class="kw">impl </span>Iterator<Item = <span class="kw-2">&</span><span class="lifetime">'a </span>V> + <span class="lifetime">'a </span>{
|
||||
<a href=#115 id=115 data-nosnippet>115</a> <span class="self">self</span>.iter().map(|(_k, v)| v)
|
||||
<a href=#116 id=116 data-nosnippet>116</a> }
|
||||
<a href=#117 id=117 data-nosnippet>117</a>
|
||||
<a href=#118 id=118 data-nosnippet>118</a> <span class="macro">cfg_if!</span> {
|
||||
<a href=#119 id=119 data-nosnippet>119</a> <span class="kw">if </span><span class="attr">#[cfg(feature = <span class="string">"raw-api"</span>)] </span>{
|
||||
<a href=#120 id=120 data-nosnippet>120</a> <span class="doccomment">/// Allows you to peek at the inner shards that store your data.
|
||||
<a href=#121 id=121 data-nosnippet>121</a> /// You should probably not use this unless you know what you are doing.
|
||||
<a href=#122 id=122 data-nosnippet>122</a> ///
|
||||
<a href=#123 id=123 data-nosnippet>123</a> /// Requires the `raw-api` feature to be enabled.
|
||||
<a href=#124 id=124 data-nosnippet>124</a> ///
|
||||
<a href=#125 id=125 data-nosnippet>125</a> /// # Examples
|
||||
<a href=#126 id=126 data-nosnippet>126</a> ///
|
||||
<a href=#127 id=127 data-nosnippet>127</a> /// ```
|
||||
<a href=#128 id=128 data-nosnippet>128</a> /// use dashmap::DashMap;
|
||||
<a href=#129 id=129 data-nosnippet>129</a> ///
|
||||
<a href=#130 id=130 data-nosnippet>130</a> /// let map = DashMap::<(), ()>::new().into_read_only();
|
||||
<a href=#131 id=131 data-nosnippet>131</a> /// println!("Amount of shards: {}", map.shards().len());
|
||||
<a href=#132 id=132 data-nosnippet>132</a> /// ```
|
||||
<a href=#133 id=133 data-nosnippet>133</a> </span><span class="kw">pub fn </span>shards(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw-2">&</span>[CachePadded<RwLock<HashMap<K, V>>>] {
|
||||
<a href=#134 id=134 data-nosnippet>134</a> <span class="kw-2">&</span><span class="self">self</span>.map.shards
|
||||
<a href=#135 id=135 data-nosnippet>135</a> }
|
||||
<a href=#136 id=136 data-nosnippet>136</a> } <span class="kw">else </span>{
|
||||
<a href=#137 id=137 data-nosnippet>137</a> <span class="attr">#[allow(dead_code)]
|
||||
<a href=#138 id=138 data-nosnippet>138</a> </span><span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn </span>shards(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw-2">&</span>[CachePadded<RwLock<HashMap<K, V>>>] {
|
||||
<a href=#139 id=139 data-nosnippet>139</a> <span class="kw-2">&</span><span class="self">self</span>.map.shards
|
||||
<a href=#140 id=140 data-nosnippet>140</a> }
|
||||
<a href=#141 id=141 data-nosnippet>141</a> }
|
||||
<a href=#142 id=142 data-nosnippet>142</a> }
|
||||
<a href=#143 id=143 data-nosnippet>143</a>}
|
||||
<a href=#144 id=144 data-nosnippet>144</a>
|
||||
<a href=#145 id=145 data-nosnippet>145</a><span class="attr">#[cfg(test)]
|
||||
<a href=#146 id=146 data-nosnippet>146</a>
|
||||
<a href=#147 id=147 data-nosnippet>147</a></span><span class="kw">mod </span>tests {
|
||||
<a href=#148 id=148 data-nosnippet>148</a>
|
||||
<a href=#149 id=149 data-nosnippet>149</a> <span class="kw">use </span><span class="kw">crate</span>::DashMap;
|
||||
<a href=#150 id=150 data-nosnippet>150</a>
|
||||
<a href=#151 id=151 data-nosnippet>151</a> <span class="kw">fn </span>construct_sample_map() -> DashMap<i32, String> {
|
||||
<a href=#152 id=152 data-nosnippet>152</a> <span class="kw">let </span>map = DashMap::new();
|
||||
<a href=#153 id=153 data-nosnippet>153</a>
|
||||
<a href=#154 id=154 data-nosnippet>154</a> map.insert(<span class="number">1</span>, <span class="string">"one"</span>.to_string());
|
||||
<a href=#155 id=155 data-nosnippet>155</a>
|
||||
<a href=#156 id=156 data-nosnippet>156</a> map.insert(<span class="number">10</span>, <span class="string">"ten"</span>.to_string());
|
||||
<a href=#157 id=157 data-nosnippet>157</a>
|
||||
<a href=#158 id=158 data-nosnippet>158</a> map.insert(<span class="number">27</span>, <span class="string">"twenty seven"</span>.to_string());
|
||||
<a href=#159 id=159 data-nosnippet>159</a>
|
||||
<a href=#160 id=160 data-nosnippet>160</a> map.insert(<span class="number">45</span>, <span class="string">"forty five"</span>.to_string());
|
||||
<a href=#161 id=161 data-nosnippet>161</a>
|
||||
<a href=#162 id=162 data-nosnippet>162</a> map
|
||||
<a href=#163 id=163 data-nosnippet>163</a> }
|
||||
<a href=#164 id=164 data-nosnippet>164</a>
|
||||
<a href=#165 id=165 data-nosnippet>165</a> <span class="attr">#[test]
|
||||
<a href=#166 id=166 data-nosnippet>166</a>
|
||||
<a href=#167 id=167 data-nosnippet>167</a> </span><span class="kw">fn </span>test_properties() {
|
||||
<a href=#168 id=168 data-nosnippet>168</a> <span class="kw">let </span>map = construct_sample_map();
|
||||
<a href=#169 id=169 data-nosnippet>169</a>
|
||||
<a href=#170 id=170 data-nosnippet>170</a> <span class="kw">let </span>view = map.clone().into_read_only();
|
||||
<a href=#171 id=171 data-nosnippet>171</a>
|
||||
<a href=#172 id=172 data-nosnippet>172</a> <span class="macro">assert_eq!</span>(view.is_empty(), map.is_empty());
|
||||
<a href=#173 id=173 data-nosnippet>173</a>
|
||||
<a href=#174 id=174 data-nosnippet>174</a> <span class="macro">assert_eq!</span>(view.len(), map.len());
|
||||
<a href=#175 id=175 data-nosnippet>175</a>
|
||||
<a href=#176 id=176 data-nosnippet>176</a> <span class="macro">assert_eq!</span>(view.capacity(), map.capacity());
|
||||
<a href=#177 id=177 data-nosnippet>177</a>
|
||||
<a href=#178 id=178 data-nosnippet>178</a> <span class="kw">let </span>new_map = view.into_inner();
|
||||
<a href=#179 id=179 data-nosnippet>179</a>
|
||||
<a href=#180 id=180 data-nosnippet>180</a> <span class="macro">assert_eq!</span>(new_map.is_empty(), map.is_empty());
|
||||
<a href=#181 id=181 data-nosnippet>181</a>
|
||||
<a href=#182 id=182 data-nosnippet>182</a> <span class="macro">assert_eq!</span>(new_map.len(), map.len());
|
||||
<a href=#183 id=183 data-nosnippet>183</a>
|
||||
<a href=#184 id=184 data-nosnippet>184</a> <span class="macro">assert_eq!</span>(new_map.capacity(), map.capacity());
|
||||
<a href=#185 id=185 data-nosnippet>185</a> }
|
||||
<a href=#186 id=186 data-nosnippet>186</a>
|
||||
<a href=#187 id=187 data-nosnippet>187</a> <span class="attr">#[test]
|
||||
<a href=#188 id=188 data-nosnippet>188</a>
|
||||
<a href=#189 id=189 data-nosnippet>189</a> </span><span class="kw">fn </span>test_get() {
|
||||
<a href=#190 id=190 data-nosnippet>190</a> <span class="kw">let </span>map = construct_sample_map();
|
||||
<a href=#191 id=191 data-nosnippet>191</a>
|
||||
<a href=#192 id=192 data-nosnippet>192</a> <span class="kw">let </span>view = map.clone().into_read_only();
|
||||
<a href=#193 id=193 data-nosnippet>193</a>
|
||||
<a href=#194 id=194 data-nosnippet>194</a> <span class="kw">for </span>key <span class="kw">in </span>map.iter().map(|entry| <span class="kw-2">*</span>entry.key()) {
|
||||
<a href=#195 id=195 data-nosnippet>195</a> <span class="macro">assert!</span>(view.contains_key(<span class="kw-2">&</span>key));
|
||||
<a href=#196 id=196 data-nosnippet>196</a>
|
||||
<a href=#197 id=197 data-nosnippet>197</a> <span class="kw">let </span>map_entry = map.get(<span class="kw-2">&</span>key).unwrap();
|
||||
<a href=#198 id=198 data-nosnippet>198</a>
|
||||
<a href=#199 id=199 data-nosnippet>199</a> <span class="macro">assert_eq!</span>(view.get(<span class="kw-2">&</span>key).unwrap(), map_entry.value());
|
||||
<a href=#200 id=200 data-nosnippet>200</a>
|
||||
<a href=#201 id=201 data-nosnippet>201</a> <span class="kw">let </span>key_value: (<span class="kw-2">&</span>i32, <span class="kw-2">&</span>String) = view.get_key_value(<span class="kw-2">&</span>key).unwrap();
|
||||
<a href=#202 id=202 data-nosnippet>202</a>
|
||||
<a href=#203 id=203 data-nosnippet>203</a> <span class="macro">assert_eq!</span>(key_value.<span class="number">0</span>, map_entry.key());
|
||||
<a href=#204 id=204 data-nosnippet>204</a>
|
||||
<a href=#205 id=205 data-nosnippet>205</a> <span class="macro">assert_eq!</span>(key_value.<span class="number">1</span>, map_entry.value());
|
||||
<a href=#206 id=206 data-nosnippet>206</a> }
|
||||
<a href=#207 id=207 data-nosnippet>207</a> }
|
||||
<a href=#208 id=208 data-nosnippet>208</a>
|
||||
<a href=#209 id=209 data-nosnippet>209</a> <span class="attr">#[test]
|
||||
<a href=#210 id=210 data-nosnippet>210</a>
|
||||
<a href=#211 id=211 data-nosnippet>211</a> </span><span class="kw">fn </span>test_iters() {
|
||||
<a href=#212 id=212 data-nosnippet>212</a> <span class="kw">let </span>map = construct_sample_map();
|
||||
<a href=#213 id=213 data-nosnippet>213</a>
|
||||
<a href=#214 id=214 data-nosnippet>214</a> <span class="kw">let </span>view = map.clone().into_read_only();
|
||||
<a href=#215 id=215 data-nosnippet>215</a>
|
||||
<a href=#216 id=216 data-nosnippet>216</a> <span class="kw">let </span><span class="kw-2">mut </span>visited_items = Vec::new();
|
||||
<a href=#217 id=217 data-nosnippet>217</a>
|
||||
<a href=#218 id=218 data-nosnippet>218</a> <span class="kw">for </span>(key, value) <span class="kw">in </span>view.iter() {
|
||||
<a href=#219 id=219 data-nosnippet>219</a> map.contains_key(key);
|
||||
<a href=#220 id=220 data-nosnippet>220</a>
|
||||
<a href=#221 id=221 data-nosnippet>221</a> <span class="kw">let </span>map_entry = map.get(key).unwrap();
|
||||
<a href=#222 id=222 data-nosnippet>222</a>
|
||||
<a href=#223 id=223 data-nosnippet>223</a> <span class="macro">assert_eq!</span>(key, map_entry.key());
|
||||
<a href=#224 id=224 data-nosnippet>224</a>
|
||||
<a href=#225 id=225 data-nosnippet>225</a> <span class="macro">assert_eq!</span>(value, map_entry.value());
|
||||
<a href=#226 id=226 data-nosnippet>226</a>
|
||||
<a href=#227 id=227 data-nosnippet>227</a> visited_items.push((key, value));
|
||||
<a href=#228 id=228 data-nosnippet>228</a> }
|
||||
<a href=#229 id=229 data-nosnippet>229</a>
|
||||
<a href=#230 id=230 data-nosnippet>230</a> <span class="kw">let </span><span class="kw-2">mut </span>visited_keys = Vec::new();
|
||||
<a href=#231 id=231 data-nosnippet>231</a>
|
||||
<a href=#232 id=232 data-nosnippet>232</a> <span class="kw">for </span>key <span class="kw">in </span>view.keys() {
|
||||
<a href=#233 id=233 data-nosnippet>233</a> map.contains_key(key);
|
||||
<a href=#234 id=234 data-nosnippet>234</a>
|
||||
<a href=#235 id=235 data-nosnippet>235</a> <span class="kw">let </span>map_entry = map.get(key).unwrap();
|
||||
<a href=#236 id=236 data-nosnippet>236</a>
|
||||
<a href=#237 id=237 data-nosnippet>237</a> <span class="macro">assert_eq!</span>(key, map_entry.key());
|
||||
<a href=#238 id=238 data-nosnippet>238</a>
|
||||
<a href=#239 id=239 data-nosnippet>239</a> <span class="macro">assert_eq!</span>(view.get(key).unwrap(), map_entry.value());
|
||||
<a href=#240 id=240 data-nosnippet>240</a>
|
||||
<a href=#241 id=241 data-nosnippet>241</a> visited_keys.push(key);
|
||||
<a href=#242 id=242 data-nosnippet>242</a> }
|
||||
<a href=#243 id=243 data-nosnippet>243</a>
|
||||
<a href=#244 id=244 data-nosnippet>244</a> <span class="kw">let </span><span class="kw-2">mut </span>visited_values = Vec::new();
|
||||
<a href=#245 id=245 data-nosnippet>245</a>
|
||||
<a href=#246 id=246 data-nosnippet>246</a> <span class="kw">for </span>value <span class="kw">in </span>view.values() {
|
||||
<a href=#247 id=247 data-nosnippet>247</a> visited_values.push(value);
|
||||
<a href=#248 id=248 data-nosnippet>248</a> }
|
||||
<a href=#249 id=249 data-nosnippet>249</a>
|
||||
<a href=#250 id=250 data-nosnippet>250</a> <span class="kw">for </span>entry <span class="kw">in </span>map.iter() {
|
||||
<a href=#251 id=251 data-nosnippet>251</a> <span class="kw">let </span>key = entry.key();
|
||||
<a href=#252 id=252 data-nosnippet>252</a>
|
||||
<a href=#253 id=253 data-nosnippet>253</a> <span class="kw">let </span>value = entry.value();
|
||||
<a href=#254 id=254 data-nosnippet>254</a>
|
||||
<a href=#255 id=255 data-nosnippet>255</a> <span class="macro">assert!</span>(visited_keys.contains(<span class="kw-2">&</span>key));
|
||||
<a href=#256 id=256 data-nosnippet>256</a>
|
||||
<a href=#257 id=257 data-nosnippet>257</a> <span class="macro">assert!</span>(visited_values.contains(<span class="kw-2">&</span>value));
|
||||
<a href=#258 id=258 data-nosnippet>258</a>
|
||||
<a href=#259 id=259 data-nosnippet>259</a> <span class="macro">assert!</span>(visited_items.contains(<span class="kw-2">&</span>(key, value)));
|
||||
<a href=#260 id=260 data-nosnippet>260</a> }
|
||||
<a href=#261 id=261 data-nosnippet>261</a> }
|
||||
<a href=#262 id=262 data-nosnippet>262</a>}
|
||||
</code></pre></div></section></main></body></html>
|
||||
478
target/doc/src/dashmap/set.rs.html
Normal file
478
target/doc/src/dashmap/set.rs.html
Normal file
@@ -0,0 +1,478 @@
|
||||
<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `C:\Users\szend\.cargo\registry\src\index.crates.io-1949cf8c6b5b557f\dashmap-6.1.0\src\set.rs`."><title>set.rs - source</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-6b053e98.ttf.woff2,FiraSans-Italic-81dc35de.woff2,FiraSans-Regular-0fe48ade.woff2,FiraSans-MediumItalic-ccf7e434.woff2,FiraSans-Medium-e1aa3f0a.woff2,SourceCodePro-Regular-8badfe75.ttf.woff2,SourceCodePro-Semibold-aa29a496.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2"href="../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../static.files/normalize-9960930a.css"><link rel="stylesheet" href="../../static.files/rustdoc-ca0dd0c4.css"><meta name="rustdoc-vars" data-root-path="../../" data-static-root-path="../../static.files/" data-current-crate="dashmap" data-themes="" data-resource-suffix="" data-rustdoc-version="1.93.1 (01f6ddf75 2026-02-11)" data-channel="1.93.1" data-search-js="search-9e2438ea.js" data-stringdex-js="stringdex-a3946164.js" data-settings-js="settings-c38705f0.js" ><script src="../../static.files/storage-e2aeef58.js"></script><script defer src="../../static.files/src-script-813739b1.js"></script><script defer src="../../src-files.js"></script><script defer src="../../static.files/main-a410ff4d.js"></script><noscript><link rel="stylesheet" href="../../static.files/noscript-263c88ec.css"></noscript><link rel="alternate icon" type="image/png" href="../../static.files/favicon-32x32-eab170b8.png"><link rel="icon" type="image/svg+xml" href="../../static.files/favicon-044be391.svg"></head><body class="rustdoc src"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="src-sidebar-title"><h2>Files</h2></div></nav><div class="sidebar-resizer" title="Drag to resize sidebar"></div><main><section id="main-content" class="content"><div class="main-heading"><h1><div class="sub-heading">dashmap/</div>set.rs</h1><rustdoc-toolbar></rustdoc-toolbar></div><div class="example-wrap digits-3"><pre class="rust"><code><a href=#1 id=1 data-nosnippet>1</a><span class="kw">use </span><span class="kw">crate</span>::iter_set::{Iter, OwningIter};
|
||||
<a href=#2 id=2 data-nosnippet>2</a><span class="attr">#[cfg(feature = <span class="string">"raw-api"</span>)]
|
||||
<a href=#3 id=3 data-nosnippet>3</a></span><span class="kw">use </span><span class="kw">crate</span>::lock::RwLock;
|
||||
<a href=#4 id=4 data-nosnippet>4</a><span class="kw">use </span><span class="kw">crate</span>::setref::one::Ref;
|
||||
<a href=#5 id=5 data-nosnippet>5</a><span class="kw">use </span><span class="kw">crate</span>::DashMap;
|
||||
<a href=#6 id=6 data-nosnippet>6</a><span class="attr">#[cfg(feature = <span class="string">"raw-api"</span>)]
|
||||
<a href=#7 id=7 data-nosnippet>7</a></span><span class="kw">use </span><span class="kw">crate</span>::HashMap;
|
||||
<a href=#8 id=8 data-nosnippet>8</a><span class="kw">use </span>cfg_if::cfg_if;
|
||||
<a href=#9 id=9 data-nosnippet>9</a><span class="kw">use </span>core::borrow::Borrow;
|
||||
<a href=#10 id=10 data-nosnippet>10</a><span class="kw">use </span>core::fmt;
|
||||
<a href=#11 id=11 data-nosnippet>11</a><span class="kw">use </span>core::hash::{BuildHasher, Hash};
|
||||
<a href=#12 id=12 data-nosnippet>12</a><span class="kw">use </span>core::iter::FromIterator;
|
||||
<a href=#13 id=13 data-nosnippet>13</a><span class="attr">#[cfg(feature = <span class="string">"raw-api"</span>)]
|
||||
<a href=#14 id=14 data-nosnippet>14</a></span><span class="kw">use </span>crossbeam_utils::CachePadded;
|
||||
<a href=#15 id=15 data-nosnippet>15</a><span class="kw">use </span>std::collections::hash_map::RandomState;
|
||||
<a href=#16 id=16 data-nosnippet>16</a>
|
||||
<a href=#17 id=17 data-nosnippet>17</a><span class="doccomment">/// DashSet is a thin wrapper around [`DashMap`] using `()` as the value type. It uses
|
||||
<a href=#18 id=18 data-nosnippet>18</a>/// methods and types which are more convenient to work with on a set.
|
||||
<a href=#19 id=19 data-nosnippet>19</a>///
|
||||
<a href=#20 id=20 data-nosnippet>20</a>/// [`DashMap`]: struct.DashMap.html
|
||||
<a href=#21 id=21 data-nosnippet>21</a></span><span class="kw">pub struct </span>DashSet<K, S = RandomState> {
|
||||
<a href=#22 id=22 data-nosnippet>22</a> <span class="kw">pub</span>(<span class="kw">crate</span>) inner: DashMap<K, (), S>,
|
||||
<a href=#23 id=23 data-nosnippet>23</a>}
|
||||
<a href=#24 id=24 data-nosnippet>24</a>
|
||||
<a href=#25 id=25 data-nosnippet>25</a><span class="kw">impl</span><K: Eq + Hash + fmt::Debug, S: BuildHasher + Clone> fmt::Debug <span class="kw">for </span>DashSet<K, S> {
|
||||
<a href=#26 id=26 data-nosnippet>26</a> <span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span>fmt::Formatter<<span class="lifetime">'_</span>>) -> fmt::Result {
|
||||
<a href=#27 id=27 data-nosnippet>27</a> fmt::Debug::fmt(<span class="kw-2">&</span><span class="self">self</span>.inner, f)
|
||||
<a href=#28 id=28 data-nosnippet>28</a> }
|
||||
<a href=#29 id=29 data-nosnippet>29</a>}
|
||||
<a href=#30 id=30 data-nosnippet>30</a>
|
||||
<a href=#31 id=31 data-nosnippet>31</a><span class="kw">impl</span><K: Eq + Hash + Clone, S: Clone> Clone <span class="kw">for </span>DashSet<K, S> {
|
||||
<a href=#32 id=32 data-nosnippet>32</a> <span class="kw">fn </span>clone(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="self">Self </span>{
|
||||
<a href=#33 id=33 data-nosnippet>33</a> <span class="self">Self </span>{
|
||||
<a href=#34 id=34 data-nosnippet>34</a> inner: <span class="self">self</span>.inner.clone(),
|
||||
<a href=#35 id=35 data-nosnippet>35</a> }
|
||||
<a href=#36 id=36 data-nosnippet>36</a> }
|
||||
<a href=#37 id=37 data-nosnippet>37</a>
|
||||
<a href=#38 id=38 data-nosnippet>38</a> <span class="kw">fn </span>clone_from(<span class="kw-2">&mut </span><span class="self">self</span>, source: <span class="kw-2">&</span><span class="self">Self</span>) {
|
||||
<a href=#39 id=39 data-nosnippet>39</a> <span class="self">self</span>.inner.clone_from(<span class="kw-2">&</span>source.inner)
|
||||
<a href=#40 id=40 data-nosnippet>40</a> }
|
||||
<a href=#41 id=41 data-nosnippet>41</a>}
|
||||
<a href=#42 id=42 data-nosnippet>42</a>
|
||||
<a href=#43 id=43 data-nosnippet>43</a><span class="kw">impl</span><K, S> Default <span class="kw">for </span>DashSet<K, S>
|
||||
<a href=#44 id=44 data-nosnippet>44</a><span class="kw">where
|
||||
<a href=#45 id=45 data-nosnippet>45</a> </span>K: Eq + Hash,
|
||||
<a href=#46 id=46 data-nosnippet>46</a> S: Default + BuildHasher + Clone,
|
||||
<a href=#47 id=47 data-nosnippet>47</a>{
|
||||
<a href=#48 id=48 data-nosnippet>48</a> <span class="kw">fn </span>default() -> <span class="self">Self </span>{
|
||||
<a href=#49 id=49 data-nosnippet>49</a> <span class="self">Self</span>::with_hasher(Default::default())
|
||||
<a href=#50 id=50 data-nosnippet>50</a> }
|
||||
<a href=#51 id=51 data-nosnippet>51</a>}
|
||||
<a href=#52 id=52 data-nosnippet>52</a>
|
||||
<a href=#53 id=53 data-nosnippet>53</a><span class="kw">impl</span><<span class="lifetime">'a</span>, K: <span class="lifetime">'a </span>+ Eq + Hash> DashSet<K, RandomState> {
|
||||
<a href=#54 id=54 data-nosnippet>54</a> <span class="doccomment">/// Creates a new DashSet with a capacity of 0.
|
||||
<a href=#55 id=55 data-nosnippet>55</a> ///
|
||||
<a href=#56 id=56 data-nosnippet>56</a> /// # Examples
|
||||
<a href=#57 id=57 data-nosnippet>57</a> ///
|
||||
<a href=#58 id=58 data-nosnippet>58</a> /// ```
|
||||
<a href=#59 id=59 data-nosnippet>59</a> /// use dashmap::DashSet;
|
||||
<a href=#60 id=60 data-nosnippet>60</a> ///
|
||||
<a href=#61 id=61 data-nosnippet>61</a> /// let games = DashSet::new();
|
||||
<a href=#62 id=62 data-nosnippet>62</a> /// games.insert("Veloren");
|
||||
<a href=#63 id=63 data-nosnippet>63</a> /// ```
|
||||
<a href=#64 id=64 data-nosnippet>64</a> </span><span class="kw">pub fn </span>new() -> <span class="self">Self </span>{
|
||||
<a href=#65 id=65 data-nosnippet>65</a> <span class="self">Self</span>::with_hasher(RandomState::default())
|
||||
<a href=#66 id=66 data-nosnippet>66</a> }
|
||||
<a href=#67 id=67 data-nosnippet>67</a>
|
||||
<a href=#68 id=68 data-nosnippet>68</a> <span class="doccomment">/// Creates a new DashMap with a specified starting capacity.
|
||||
<a href=#69 id=69 data-nosnippet>69</a> ///
|
||||
<a href=#70 id=70 data-nosnippet>70</a> /// # Examples
|
||||
<a href=#71 id=71 data-nosnippet>71</a> ///
|
||||
<a href=#72 id=72 data-nosnippet>72</a> /// ```
|
||||
<a href=#73 id=73 data-nosnippet>73</a> /// use dashmap::DashSet;
|
||||
<a href=#74 id=74 data-nosnippet>74</a> ///
|
||||
<a href=#75 id=75 data-nosnippet>75</a> /// let numbers = DashSet::with_capacity(2);
|
||||
<a href=#76 id=76 data-nosnippet>76</a> /// numbers.insert(2);
|
||||
<a href=#77 id=77 data-nosnippet>77</a> /// numbers.insert(8);
|
||||
<a href=#78 id=78 data-nosnippet>78</a> /// ```
|
||||
<a href=#79 id=79 data-nosnippet>79</a> </span><span class="kw">pub fn </span>with_capacity(capacity: usize) -> <span class="self">Self </span>{
|
||||
<a href=#80 id=80 data-nosnippet>80</a> <span class="self">Self</span>::with_capacity_and_hasher(capacity, RandomState::default())
|
||||
<a href=#81 id=81 data-nosnippet>81</a> }
|
||||
<a href=#82 id=82 data-nosnippet>82</a>}
|
||||
<a href=#83 id=83 data-nosnippet>83</a>
|
||||
<a href=#84 id=84 data-nosnippet>84</a><span class="kw">impl</span><<span class="lifetime">'a</span>, K: <span class="lifetime">'a </span>+ Eq + Hash, S: BuildHasher + Clone> DashSet<K, S> {
|
||||
<a href=#85 id=85 data-nosnippet>85</a> <span class="doccomment">/// Creates a new DashMap with a capacity of 0 and the provided hasher.
|
||||
<a href=#86 id=86 data-nosnippet>86</a> ///
|
||||
<a href=#87 id=87 data-nosnippet>87</a> /// # Examples
|
||||
<a href=#88 id=88 data-nosnippet>88</a> ///
|
||||
<a href=#89 id=89 data-nosnippet>89</a> /// ```
|
||||
<a href=#90 id=90 data-nosnippet>90</a> /// use dashmap::DashSet;
|
||||
<a href=#91 id=91 data-nosnippet>91</a> /// use std::collections::hash_map::RandomState;
|
||||
<a href=#92 id=92 data-nosnippet>92</a> ///
|
||||
<a href=#93 id=93 data-nosnippet>93</a> /// let s = RandomState::new();
|
||||
<a href=#94 id=94 data-nosnippet>94</a> /// let games = DashSet::with_hasher(s);
|
||||
<a href=#95 id=95 data-nosnippet>95</a> /// games.insert("Veloren");
|
||||
<a href=#96 id=96 data-nosnippet>96</a> /// ```
|
||||
<a href=#97 id=97 data-nosnippet>97</a> </span><span class="kw">pub fn </span>with_hasher(hasher: S) -> <span class="self">Self </span>{
|
||||
<a href=#98 id=98 data-nosnippet>98</a> <span class="self">Self</span>::with_capacity_and_hasher(<span class="number">0</span>, hasher)
|
||||
<a href=#99 id=99 data-nosnippet>99</a> }
|
||||
<a href=#100 id=100 data-nosnippet>100</a>
|
||||
<a href=#101 id=101 data-nosnippet>101</a> <span class="doccomment">/// Creates a new DashMap with a specified starting capacity and hasher.
|
||||
<a href=#102 id=102 data-nosnippet>102</a> ///
|
||||
<a href=#103 id=103 data-nosnippet>103</a> /// # Examples
|
||||
<a href=#104 id=104 data-nosnippet>104</a> ///
|
||||
<a href=#105 id=105 data-nosnippet>105</a> /// ```
|
||||
<a href=#106 id=106 data-nosnippet>106</a> /// use dashmap::DashSet;
|
||||
<a href=#107 id=107 data-nosnippet>107</a> /// use std::collections::hash_map::RandomState;
|
||||
<a href=#108 id=108 data-nosnippet>108</a> ///
|
||||
<a href=#109 id=109 data-nosnippet>109</a> /// let s = RandomState::new();
|
||||
<a href=#110 id=110 data-nosnippet>110</a> /// let numbers = DashSet::with_capacity_and_hasher(2, s);
|
||||
<a href=#111 id=111 data-nosnippet>111</a> /// numbers.insert(2);
|
||||
<a href=#112 id=112 data-nosnippet>112</a> /// numbers.insert(8);
|
||||
<a href=#113 id=113 data-nosnippet>113</a> /// ```
|
||||
<a href=#114 id=114 data-nosnippet>114</a> </span><span class="kw">pub fn </span>with_capacity_and_hasher(capacity: usize, hasher: S) -> <span class="self">Self </span>{
|
||||
<a href=#115 id=115 data-nosnippet>115</a> <span class="self">Self </span>{
|
||||
<a href=#116 id=116 data-nosnippet>116</a> inner: DashMap::with_capacity_and_hasher(capacity, hasher),
|
||||
<a href=#117 id=117 data-nosnippet>117</a> }
|
||||
<a href=#118 id=118 data-nosnippet>118</a> }
|
||||
<a href=#119 id=119 data-nosnippet>119</a>
|
||||
<a href=#120 id=120 data-nosnippet>120</a> <span class="doccomment">/// Hash a given item to produce a usize.
|
||||
<a href=#121 id=121 data-nosnippet>121</a> /// Uses the provided or default HashBuilder.
|
||||
<a href=#122 id=122 data-nosnippet>122</a> </span><span class="kw">pub fn </span>hash_usize<T: Hash>(<span class="kw-2">&</span><span class="self">self</span>, item: <span class="kw-2">&</span>T) -> usize {
|
||||
<a href=#123 id=123 data-nosnippet>123</a> <span class="self">self</span>.inner.hash_usize(item)
|
||||
<a href=#124 id=124 data-nosnippet>124</a> }
|
||||
<a href=#125 id=125 data-nosnippet>125</a>
|
||||
<a href=#126 id=126 data-nosnippet>126</a> <span class="macro">cfg_if!</span> {
|
||||
<a href=#127 id=127 data-nosnippet>127</a> <span class="kw">if </span><span class="attr">#[cfg(feature = <span class="string">"raw-api"</span>)] </span>{
|
||||
<a href=#128 id=128 data-nosnippet>128</a> <span class="doccomment">/// Allows you to peek at the inner shards that store your data.
|
||||
<a href=#129 id=129 data-nosnippet>129</a> /// You should probably not use this unless you know what you are doing.
|
||||
<a href=#130 id=130 data-nosnippet>130</a> ///
|
||||
<a href=#131 id=131 data-nosnippet>131</a> /// Requires the `raw-api` feature to be enabled.
|
||||
<a href=#132 id=132 data-nosnippet>132</a> ///
|
||||
<a href=#133 id=133 data-nosnippet>133</a> /// # Examples
|
||||
<a href=#134 id=134 data-nosnippet>134</a> ///
|
||||
<a href=#135 id=135 data-nosnippet>135</a> /// ```
|
||||
<a href=#136 id=136 data-nosnippet>136</a> /// use dashmap::DashSet;
|
||||
<a href=#137 id=137 data-nosnippet>137</a> ///
|
||||
<a href=#138 id=138 data-nosnippet>138</a> /// let set = DashSet::<()>::new();
|
||||
<a href=#139 id=139 data-nosnippet>139</a> /// println!("Amount of shards: {}", set.shards().len());
|
||||
<a href=#140 id=140 data-nosnippet>140</a> /// ```
|
||||
<a href=#141 id=141 data-nosnippet>141</a> </span><span class="kw">pub fn </span>shards(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw-2">&</span>[CachePadded<RwLock<HashMap<K, ()>>>] {
|
||||
<a href=#142 id=142 data-nosnippet>142</a> <span class="self">self</span>.inner.shards()
|
||||
<a href=#143 id=143 data-nosnippet>143</a> }
|
||||
<a href=#144 id=144 data-nosnippet>144</a> }
|
||||
<a href=#145 id=145 data-nosnippet>145</a> }
|
||||
<a href=#146 id=146 data-nosnippet>146</a>
|
||||
<a href=#147 id=147 data-nosnippet>147</a> <span class="macro">cfg_if!</span> {
|
||||
<a href=#148 id=148 data-nosnippet>148</a> <span class="kw">if </span><span class="attr">#[cfg(feature = <span class="string">"raw-api"</span>)] </span>{
|
||||
<a href=#149 id=149 data-nosnippet>149</a> <span class="doccomment">/// Finds which shard a certain key is stored in.
|
||||
<a href=#150 id=150 data-nosnippet>150</a> /// You should probably not use this unless you know what you are doing.
|
||||
<a href=#151 id=151 data-nosnippet>151</a> /// Note that shard selection is dependent on the default or provided HashBuilder.
|
||||
<a href=#152 id=152 data-nosnippet>152</a> ///
|
||||
<a href=#153 id=153 data-nosnippet>153</a> /// Requires the `raw-api` feature to be enabled.
|
||||
<a href=#154 id=154 data-nosnippet>154</a> ///
|
||||
<a href=#155 id=155 data-nosnippet>155</a> /// # Examples
|
||||
<a href=#156 id=156 data-nosnippet>156</a> ///
|
||||
<a href=#157 id=157 data-nosnippet>157</a> /// ```
|
||||
<a href=#158 id=158 data-nosnippet>158</a> /// use dashmap::DashSet;
|
||||
<a href=#159 id=159 data-nosnippet>159</a> ///
|
||||
<a href=#160 id=160 data-nosnippet>160</a> /// let set = DashSet::new();
|
||||
<a href=#161 id=161 data-nosnippet>161</a> /// set.insert("coca-cola");
|
||||
<a href=#162 id=162 data-nosnippet>162</a> /// println!("coca-cola is stored in shard: {}", set.determine_map("coca-cola"));
|
||||
<a href=#163 id=163 data-nosnippet>163</a> /// ```
|
||||
<a href=#164 id=164 data-nosnippet>164</a> </span><span class="kw">pub fn </span>determine_map<Q>(<span class="kw-2">&</span><span class="self">self</span>, key: <span class="kw-2">&</span>Q) -> usize
|
||||
<a href=#165 id=165 data-nosnippet>165</a> <span class="kw">where
|
||||
<a href=#166 id=166 data-nosnippet>166</a> </span>K: Borrow<Q>,
|
||||
<a href=#167 id=167 data-nosnippet>167</a> Q: Hash + Eq + <span class="question-mark">?</span>Sized,
|
||||
<a href=#168 id=168 data-nosnippet>168</a> {
|
||||
<a href=#169 id=169 data-nosnippet>169</a> <span class="self">self</span>.inner.determine_map(key)
|
||||
<a href=#170 id=170 data-nosnippet>170</a> }
|
||||
<a href=#171 id=171 data-nosnippet>171</a> }
|
||||
<a href=#172 id=172 data-nosnippet>172</a> }
|
||||
<a href=#173 id=173 data-nosnippet>173</a>
|
||||
<a href=#174 id=174 data-nosnippet>174</a> <span class="macro">cfg_if!</span> {
|
||||
<a href=#175 id=175 data-nosnippet>175</a> <span class="kw">if </span><span class="attr">#[cfg(feature = <span class="string">"raw-api"</span>)] </span>{
|
||||
<a href=#176 id=176 data-nosnippet>176</a> <span class="doccomment">/// Finds which shard a certain hash is stored in.
|
||||
<a href=#177 id=177 data-nosnippet>177</a> ///
|
||||
<a href=#178 id=178 data-nosnippet>178</a> /// Requires the `raw-api` feature to be enabled.
|
||||
<a href=#179 id=179 data-nosnippet>179</a> ///
|
||||
<a href=#180 id=180 data-nosnippet>180</a> /// # Examples
|
||||
<a href=#181 id=181 data-nosnippet>181</a> ///
|
||||
<a href=#182 id=182 data-nosnippet>182</a> /// ```
|
||||
<a href=#183 id=183 data-nosnippet>183</a> /// use dashmap::DashSet;
|
||||
<a href=#184 id=184 data-nosnippet>184</a> ///
|
||||
<a href=#185 id=185 data-nosnippet>185</a> /// let set: DashSet<i32> = DashSet::new();
|
||||
<a href=#186 id=186 data-nosnippet>186</a> /// let key = "key";
|
||||
<a href=#187 id=187 data-nosnippet>187</a> /// let hash = set.hash_usize(&key);
|
||||
<a href=#188 id=188 data-nosnippet>188</a> /// println!("hash is stored in shard: {}", set.determine_shard(hash));
|
||||
<a href=#189 id=189 data-nosnippet>189</a> /// ```
|
||||
<a href=#190 id=190 data-nosnippet>190</a> </span><span class="kw">pub fn </span>determine_shard(<span class="kw-2">&</span><span class="self">self</span>, hash: usize) -> usize {
|
||||
<a href=#191 id=191 data-nosnippet>191</a> <span class="self">self</span>.inner.determine_shard(hash)
|
||||
<a href=#192 id=192 data-nosnippet>192</a> }
|
||||
<a href=#193 id=193 data-nosnippet>193</a> }
|
||||
<a href=#194 id=194 data-nosnippet>194</a> }
|
||||
<a href=#195 id=195 data-nosnippet>195</a>
|
||||
<a href=#196 id=196 data-nosnippet>196</a> <span class="doccomment">/// Inserts a key into the set. Returns true if the key was not already in the set.
|
||||
<a href=#197 id=197 data-nosnippet>197</a> ///
|
||||
<a href=#198 id=198 data-nosnippet>198</a> /// # Examples
|
||||
<a href=#199 id=199 data-nosnippet>199</a> ///
|
||||
<a href=#200 id=200 data-nosnippet>200</a> /// ```
|
||||
<a href=#201 id=201 data-nosnippet>201</a> /// use dashmap::DashSet;
|
||||
<a href=#202 id=202 data-nosnippet>202</a> ///
|
||||
<a href=#203 id=203 data-nosnippet>203</a> /// let set = DashSet::new();
|
||||
<a href=#204 id=204 data-nosnippet>204</a> /// set.insert("I am the key!");
|
||||
<a href=#205 id=205 data-nosnippet>205</a> /// ```
|
||||
<a href=#206 id=206 data-nosnippet>206</a> </span><span class="kw">pub fn </span>insert(<span class="kw-2">&</span><span class="self">self</span>, key: K) -> bool {
|
||||
<a href=#207 id=207 data-nosnippet>207</a> <span class="self">self</span>.inner.insert(key, ()).is_none()
|
||||
<a href=#208 id=208 data-nosnippet>208</a> }
|
||||
<a href=#209 id=209 data-nosnippet>209</a>
|
||||
<a href=#210 id=210 data-nosnippet>210</a> <span class="doccomment">/// Removes an entry from the map, returning the key if it existed in the map.
|
||||
<a href=#211 id=211 data-nosnippet>211</a> ///
|
||||
<a href=#212 id=212 data-nosnippet>212</a> /// # Examples
|
||||
<a href=#213 id=213 data-nosnippet>213</a> ///
|
||||
<a href=#214 id=214 data-nosnippet>214</a> /// ```
|
||||
<a href=#215 id=215 data-nosnippet>215</a> /// use dashmap::DashSet;
|
||||
<a href=#216 id=216 data-nosnippet>216</a> ///
|
||||
<a href=#217 id=217 data-nosnippet>217</a> /// let soccer_team = DashSet::new();
|
||||
<a href=#218 id=218 data-nosnippet>218</a> /// soccer_team.insert("Jack");
|
||||
<a href=#219 id=219 data-nosnippet>219</a> /// assert_eq!(soccer_team.remove("Jack").unwrap(), "Jack");
|
||||
<a href=#220 id=220 data-nosnippet>220</a> /// ```
|
||||
<a href=#221 id=221 data-nosnippet>221</a> </span><span class="kw">pub fn </span>remove<Q>(<span class="kw-2">&</span><span class="self">self</span>, key: <span class="kw-2">&</span>Q) -> <span class="prelude-ty">Option</span><K>
|
||||
<a href=#222 id=222 data-nosnippet>222</a> <span class="kw">where
|
||||
<a href=#223 id=223 data-nosnippet>223</a> </span>K: Borrow<Q>,
|
||||
<a href=#224 id=224 data-nosnippet>224</a> Q: Hash + Eq + <span class="question-mark">?</span>Sized,
|
||||
<a href=#225 id=225 data-nosnippet>225</a> {
|
||||
<a href=#226 id=226 data-nosnippet>226</a> <span class="self">self</span>.inner.remove(key).map(|(k, <span class="kw">_</span>)| k)
|
||||
<a href=#227 id=227 data-nosnippet>227</a> }
|
||||
<a href=#228 id=228 data-nosnippet>228</a>
|
||||
<a href=#229 id=229 data-nosnippet>229</a> <span class="doccomment">/// Removes an entry from the set, returning the key
|
||||
<a href=#230 id=230 data-nosnippet>230</a> /// if the entry existed and the provided conditional function returned true.
|
||||
<a href=#231 id=231 data-nosnippet>231</a> ///
|
||||
<a href=#232 id=232 data-nosnippet>232</a> /// ```
|
||||
<a href=#233 id=233 data-nosnippet>233</a> /// use dashmap::DashSet;
|
||||
<a href=#234 id=234 data-nosnippet>234</a> ///
|
||||
<a href=#235 id=235 data-nosnippet>235</a> /// let soccer_team = DashSet::new();
|
||||
<a href=#236 id=236 data-nosnippet>236</a> /// soccer_team.insert("Sam");
|
||||
<a href=#237 id=237 data-nosnippet>237</a> /// soccer_team.remove_if("Sam", |player| player.starts_with("Ja"));
|
||||
<a href=#238 id=238 data-nosnippet>238</a> /// assert!(soccer_team.contains("Sam"));
|
||||
<a href=#239 id=239 data-nosnippet>239</a> /// ```
|
||||
<a href=#240 id=240 data-nosnippet>240</a> /// ```
|
||||
<a href=#241 id=241 data-nosnippet>241</a> /// use dashmap::DashSet;
|
||||
<a href=#242 id=242 data-nosnippet>242</a> ///
|
||||
<a href=#243 id=243 data-nosnippet>243</a> /// let soccer_team = DashSet::new();
|
||||
<a href=#244 id=244 data-nosnippet>244</a> /// soccer_team.insert("Sam");
|
||||
<a href=#245 id=245 data-nosnippet>245</a> /// soccer_team.remove_if("Jacob", |player| player.starts_with("Ja"));
|
||||
<a href=#246 id=246 data-nosnippet>246</a> /// assert!(!soccer_team.contains("Jacob"));
|
||||
<a href=#247 id=247 data-nosnippet>247</a> /// ```
|
||||
<a href=#248 id=248 data-nosnippet>248</a> </span><span class="kw">pub fn </span>remove_if<Q>(<span class="kw-2">&</span><span class="self">self</span>, key: <span class="kw-2">&</span>Q, f: <span class="kw">impl </span>FnOnce(<span class="kw-2">&</span>K) -> bool) -> <span class="prelude-ty">Option</span><K>
|
||||
<a href=#249 id=249 data-nosnippet>249</a> <span class="kw">where
|
||||
<a href=#250 id=250 data-nosnippet>250</a> </span>K: Borrow<Q>,
|
||||
<a href=#251 id=251 data-nosnippet>251</a> Q: Hash + Eq + <span class="question-mark">?</span>Sized,
|
||||
<a href=#252 id=252 data-nosnippet>252</a> {
|
||||
<a href=#253 id=253 data-nosnippet>253</a> <span class="comment">// TODO: Don't create another closure around f
|
||||
<a href=#254 id=254 data-nosnippet>254</a> </span><span class="self">self</span>.inner.remove_if(key, |k, <span class="kw">_</span>| f(k)).map(|(k, <span class="kw">_</span>)| k)
|
||||
<a href=#255 id=255 data-nosnippet>255</a> }
|
||||
<a href=#256 id=256 data-nosnippet>256</a>
|
||||
<a href=#257 id=257 data-nosnippet>257</a> <span class="doccomment">/// Creates an iterator over a DashMap yielding immutable references.
|
||||
<a href=#258 id=258 data-nosnippet>258</a> ///
|
||||
<a href=#259 id=259 data-nosnippet>259</a> /// # Examples
|
||||
<a href=#260 id=260 data-nosnippet>260</a> ///
|
||||
<a href=#261 id=261 data-nosnippet>261</a> /// ```
|
||||
<a href=#262 id=262 data-nosnippet>262</a> /// use dashmap::DashSet;
|
||||
<a href=#263 id=263 data-nosnippet>263</a> ///
|
||||
<a href=#264 id=264 data-nosnippet>264</a> /// let words = DashSet::new();
|
||||
<a href=#265 id=265 data-nosnippet>265</a> /// words.insert("hello");
|
||||
<a href=#266 id=266 data-nosnippet>266</a> /// assert_eq!(words.iter().count(), 1);
|
||||
<a href=#267 id=267 data-nosnippet>267</a> /// ```
|
||||
<a href=#268 id=268 data-nosnippet>268</a> </span><span class="kw">pub fn </span>iter(<span class="kw-2">&</span><span class="lifetime">'a </span><span class="self">self</span>) -> Iter<<span class="lifetime">'a</span>, K, S, DashMap<K, (), S>> {
|
||||
<a href=#269 id=269 data-nosnippet>269</a> <span class="kw">let </span>iter = <span class="self">self</span>.inner.iter();
|
||||
<a href=#270 id=270 data-nosnippet>270</a>
|
||||
<a href=#271 id=271 data-nosnippet>271</a> Iter::new(iter)
|
||||
<a href=#272 id=272 data-nosnippet>272</a> }
|
||||
<a href=#273 id=273 data-nosnippet>273</a>
|
||||
<a href=#274 id=274 data-nosnippet>274</a> <span class="doccomment">/// Get a reference to an entry in the set
|
||||
<a href=#275 id=275 data-nosnippet>275</a> ///
|
||||
<a href=#276 id=276 data-nosnippet>276</a> /// # Examples
|
||||
<a href=#277 id=277 data-nosnippet>277</a> ///
|
||||
<a href=#278 id=278 data-nosnippet>278</a> /// ```
|
||||
<a href=#279 id=279 data-nosnippet>279</a> /// use dashmap::DashSet;
|
||||
<a href=#280 id=280 data-nosnippet>280</a> ///
|
||||
<a href=#281 id=281 data-nosnippet>281</a> /// let youtubers = DashSet::new();
|
||||
<a href=#282 id=282 data-nosnippet>282</a> /// youtubers.insert("Bosnian Bill");
|
||||
<a href=#283 id=283 data-nosnippet>283</a> /// assert_eq!(*youtubers.get("Bosnian Bill").unwrap(), "Bosnian Bill");
|
||||
<a href=#284 id=284 data-nosnippet>284</a> /// ```
|
||||
<a href=#285 id=285 data-nosnippet>285</a> </span><span class="kw">pub fn </span>get<Q>(<span class="kw-2">&</span><span class="lifetime">'a </span><span class="self">self</span>, key: <span class="kw-2">&</span>Q) -> <span class="prelude-ty">Option</span><Ref<<span class="lifetime">'a</span>, K>>
|
||||
<a href=#286 id=286 data-nosnippet>286</a> <span class="kw">where
|
||||
<a href=#287 id=287 data-nosnippet>287</a> </span>K: Borrow<Q>,
|
||||
<a href=#288 id=288 data-nosnippet>288</a> Q: Hash + Eq + <span class="question-mark">?</span>Sized,
|
||||
<a href=#289 id=289 data-nosnippet>289</a> {
|
||||
<a href=#290 id=290 data-nosnippet>290</a> <span class="self">self</span>.inner.get(key).map(Ref::new)
|
||||
<a href=#291 id=291 data-nosnippet>291</a> }
|
||||
<a href=#292 id=292 data-nosnippet>292</a>
|
||||
<a href=#293 id=293 data-nosnippet>293</a> <span class="doccomment">/// Remove excess capacity to reduce memory usage.
|
||||
<a href=#294 id=294 data-nosnippet>294</a> </span><span class="kw">pub fn </span>shrink_to_fit(<span class="kw-2">&</span><span class="self">self</span>) {
|
||||
<a href=#295 id=295 data-nosnippet>295</a> <span class="self">self</span>.inner.shrink_to_fit()
|
||||
<a href=#296 id=296 data-nosnippet>296</a> }
|
||||
<a href=#297 id=297 data-nosnippet>297</a>
|
||||
<a href=#298 id=298 data-nosnippet>298</a> <span class="doccomment">/// Retain elements that whose predicates return true
|
||||
<a href=#299 id=299 data-nosnippet>299</a> /// and discard elements whose predicates return false.
|
||||
<a href=#300 id=300 data-nosnippet>300</a> ///
|
||||
<a href=#301 id=301 data-nosnippet>301</a> /// # Examples
|
||||
<a href=#302 id=302 data-nosnippet>302</a> ///
|
||||
<a href=#303 id=303 data-nosnippet>303</a> /// ```
|
||||
<a href=#304 id=304 data-nosnippet>304</a> /// use dashmap::DashSet;
|
||||
<a href=#305 id=305 data-nosnippet>305</a> ///
|
||||
<a href=#306 id=306 data-nosnippet>306</a> /// let people = DashSet::new();
|
||||
<a href=#307 id=307 data-nosnippet>307</a> /// people.insert("Albin");
|
||||
<a href=#308 id=308 data-nosnippet>308</a> /// people.insert("Jones");
|
||||
<a href=#309 id=309 data-nosnippet>309</a> /// people.insert("Charlie");
|
||||
<a href=#310 id=310 data-nosnippet>310</a> /// people.retain(|name| name.contains('i'));
|
||||
<a href=#311 id=311 data-nosnippet>311</a> /// assert_eq!(people.len(), 2);
|
||||
<a href=#312 id=312 data-nosnippet>312</a> /// ```
|
||||
<a href=#313 id=313 data-nosnippet>313</a> </span><span class="kw">pub fn </span>retain(<span class="kw-2">&</span><span class="self">self</span>, <span class="kw-2">mut </span>f: <span class="kw">impl </span>FnMut(<span class="kw-2">&</span>K) -> bool) {
|
||||
<a href=#314 id=314 data-nosnippet>314</a> <span class="self">self</span>.inner.retain(|k, <span class="kw">_</span>| f(k))
|
||||
<a href=#315 id=315 data-nosnippet>315</a> }
|
||||
<a href=#316 id=316 data-nosnippet>316</a>
|
||||
<a href=#317 id=317 data-nosnippet>317</a> <span class="doccomment">/// Fetches the total number of keys stored in the set.
|
||||
<a href=#318 id=318 data-nosnippet>318</a> ///
|
||||
<a href=#319 id=319 data-nosnippet>319</a> /// # Examples
|
||||
<a href=#320 id=320 data-nosnippet>320</a> ///
|
||||
<a href=#321 id=321 data-nosnippet>321</a> /// ```
|
||||
<a href=#322 id=322 data-nosnippet>322</a> /// use dashmap::DashSet;
|
||||
<a href=#323 id=323 data-nosnippet>323</a> ///
|
||||
<a href=#324 id=324 data-nosnippet>324</a> /// let people = DashSet::new();
|
||||
<a href=#325 id=325 data-nosnippet>325</a> /// people.insert("Albin");
|
||||
<a href=#326 id=326 data-nosnippet>326</a> /// people.insert("Jones");
|
||||
<a href=#327 id=327 data-nosnippet>327</a> /// people.insert("Charlie");
|
||||
<a href=#328 id=328 data-nosnippet>328</a> /// assert_eq!(people.len(), 3);
|
||||
<a href=#329 id=329 data-nosnippet>329</a> /// ```
|
||||
<a href=#330 id=330 data-nosnippet>330</a> </span><span class="kw">pub fn </span>len(<span class="kw-2">&</span><span class="self">self</span>) -> usize {
|
||||
<a href=#331 id=331 data-nosnippet>331</a> <span class="self">self</span>.inner.len()
|
||||
<a href=#332 id=332 data-nosnippet>332</a> }
|
||||
<a href=#333 id=333 data-nosnippet>333</a>
|
||||
<a href=#334 id=334 data-nosnippet>334</a> <span class="doccomment">/// Checks if the set is empty or not.
|
||||
<a href=#335 id=335 data-nosnippet>335</a> ///
|
||||
<a href=#336 id=336 data-nosnippet>336</a> /// # Examples
|
||||
<a href=#337 id=337 data-nosnippet>337</a> ///
|
||||
<a href=#338 id=338 data-nosnippet>338</a> /// ```
|
||||
<a href=#339 id=339 data-nosnippet>339</a> /// use dashmap::DashSet;
|
||||
<a href=#340 id=340 data-nosnippet>340</a> ///
|
||||
<a href=#341 id=341 data-nosnippet>341</a> /// let map = DashSet::<()>::new();
|
||||
<a href=#342 id=342 data-nosnippet>342</a> /// assert!(map.is_empty());
|
||||
<a href=#343 id=343 data-nosnippet>343</a> /// ```
|
||||
<a href=#344 id=344 data-nosnippet>344</a> </span><span class="kw">pub fn </span>is_empty(<span class="kw-2">&</span><span class="self">self</span>) -> bool {
|
||||
<a href=#345 id=345 data-nosnippet>345</a> <span class="self">self</span>.inner.is_empty()
|
||||
<a href=#346 id=346 data-nosnippet>346</a> }
|
||||
<a href=#347 id=347 data-nosnippet>347</a>
|
||||
<a href=#348 id=348 data-nosnippet>348</a> <span class="doccomment">/// Removes all keys in the set.
|
||||
<a href=#349 id=349 data-nosnippet>349</a> ///
|
||||
<a href=#350 id=350 data-nosnippet>350</a> /// # Examples
|
||||
<a href=#351 id=351 data-nosnippet>351</a> ///
|
||||
<a href=#352 id=352 data-nosnippet>352</a> /// ```
|
||||
<a href=#353 id=353 data-nosnippet>353</a> /// use dashmap::DashSet;
|
||||
<a href=#354 id=354 data-nosnippet>354</a> ///
|
||||
<a href=#355 id=355 data-nosnippet>355</a> /// let people = DashSet::new();
|
||||
<a href=#356 id=356 data-nosnippet>356</a> /// people.insert("Albin");
|
||||
<a href=#357 id=357 data-nosnippet>357</a> /// assert!(!people.is_empty());
|
||||
<a href=#358 id=358 data-nosnippet>358</a> /// people.clear();
|
||||
<a href=#359 id=359 data-nosnippet>359</a> /// assert!(people.is_empty());
|
||||
<a href=#360 id=360 data-nosnippet>360</a> /// ```
|
||||
<a href=#361 id=361 data-nosnippet>361</a> </span><span class="kw">pub fn </span>clear(<span class="kw-2">&</span><span class="self">self</span>) {
|
||||
<a href=#362 id=362 data-nosnippet>362</a> <span class="self">self</span>.inner.clear()
|
||||
<a href=#363 id=363 data-nosnippet>363</a> }
|
||||
<a href=#364 id=364 data-nosnippet>364</a>
|
||||
<a href=#365 id=365 data-nosnippet>365</a> <span class="doccomment">/// Returns how many keys the set can store without reallocating.
|
||||
<a href=#366 id=366 data-nosnippet>366</a> </span><span class="kw">pub fn </span>capacity(<span class="kw-2">&</span><span class="self">self</span>) -> usize {
|
||||
<a href=#367 id=367 data-nosnippet>367</a> <span class="self">self</span>.inner.capacity()
|
||||
<a href=#368 id=368 data-nosnippet>368</a> }
|
||||
<a href=#369 id=369 data-nosnippet>369</a>
|
||||
<a href=#370 id=370 data-nosnippet>370</a> <span class="doccomment">/// Checks if the set contains a specific key.
|
||||
<a href=#371 id=371 data-nosnippet>371</a> ///
|
||||
<a href=#372 id=372 data-nosnippet>372</a> /// # Examples
|
||||
<a href=#373 id=373 data-nosnippet>373</a> ///
|
||||
<a href=#374 id=374 data-nosnippet>374</a> /// ```
|
||||
<a href=#375 id=375 data-nosnippet>375</a> /// use dashmap::DashSet;
|
||||
<a href=#376 id=376 data-nosnippet>376</a> ///
|
||||
<a href=#377 id=377 data-nosnippet>377</a> /// let people = DashSet::new();
|
||||
<a href=#378 id=378 data-nosnippet>378</a> /// people.insert("Dakota Cherries");
|
||||
<a href=#379 id=379 data-nosnippet>379</a> /// assert!(people.contains("Dakota Cherries"));
|
||||
<a href=#380 id=380 data-nosnippet>380</a> /// ```
|
||||
<a href=#381 id=381 data-nosnippet>381</a> </span><span class="kw">pub fn </span>contains<Q>(<span class="kw-2">&</span><span class="self">self</span>, key: <span class="kw-2">&</span>Q) -> bool
|
||||
<a href=#382 id=382 data-nosnippet>382</a> <span class="kw">where
|
||||
<a href=#383 id=383 data-nosnippet>383</a> </span>K: Borrow<Q>,
|
||||
<a href=#384 id=384 data-nosnippet>384</a> Q: Hash + Eq + <span class="question-mark">?</span>Sized,
|
||||
<a href=#385 id=385 data-nosnippet>385</a> {
|
||||
<a href=#386 id=386 data-nosnippet>386</a> <span class="self">self</span>.inner.contains_key(key)
|
||||
<a href=#387 id=387 data-nosnippet>387</a> }
|
||||
<a href=#388 id=388 data-nosnippet>388</a>}
|
||||
<a href=#389 id=389 data-nosnippet>389</a>
|
||||
<a href=#390 id=390 data-nosnippet>390</a><span class="kw">impl</span><K: Eq + Hash, S: BuildHasher + Clone> IntoIterator <span class="kw">for </span>DashSet<K, S> {
|
||||
<a href=#391 id=391 data-nosnippet>391</a> <span class="kw">type </span>Item = K;
|
||||
<a href=#392 id=392 data-nosnippet>392</a>
|
||||
<a href=#393 id=393 data-nosnippet>393</a> <span class="kw">type </span>IntoIter = OwningIter<K, S>;
|
||||
<a href=#394 id=394 data-nosnippet>394</a>
|
||||
<a href=#395 id=395 data-nosnippet>395</a> <span class="kw">fn </span>into_iter(<span class="self">self</span>) -> <span class="self">Self</span>::IntoIter {
|
||||
<a href=#396 id=396 data-nosnippet>396</a> OwningIter::new(<span class="self">self</span>.inner.into_iter())
|
||||
<a href=#397 id=397 data-nosnippet>397</a> }
|
||||
<a href=#398 id=398 data-nosnippet>398</a>}
|
||||
<a href=#399 id=399 data-nosnippet>399</a>
|
||||
<a href=#400 id=400 data-nosnippet>400</a><span class="kw">impl</span><K: Eq + Hash, S: BuildHasher + Clone> Extend<K> <span class="kw">for </span>DashSet<K, S> {
|
||||
<a href=#401 id=401 data-nosnippet>401</a> <span class="kw">fn </span>extend<T: IntoIterator<Item = K>>(<span class="kw-2">&mut </span><span class="self">self</span>, iter: T) {
|
||||
<a href=#402 id=402 data-nosnippet>402</a> <span class="kw">let </span>iter = iter.into_iter().map(|k| (k, ()));
|
||||
<a href=#403 id=403 data-nosnippet>403</a>
|
||||
<a href=#404 id=404 data-nosnippet>404</a> <span class="self">self</span>.inner.extend(iter)
|
||||
<a href=#405 id=405 data-nosnippet>405</a> }
|
||||
<a href=#406 id=406 data-nosnippet>406</a>}
|
||||
<a href=#407 id=407 data-nosnippet>407</a>
|
||||
<a href=#408 id=408 data-nosnippet>408</a><span class="kw">impl</span><K: Eq + Hash, S: BuildHasher + Clone + Default> FromIterator<K> <span class="kw">for </span>DashSet<K, S> {
|
||||
<a href=#409 id=409 data-nosnippet>409</a> <span class="kw">fn </span>from_iter<I: IntoIterator<Item = K>>(iter: I) -> <span class="self">Self </span>{
|
||||
<a href=#410 id=410 data-nosnippet>410</a> <span class="kw">let </span><span class="kw-2">mut </span>set = DashSet::default();
|
||||
<a href=#411 id=411 data-nosnippet>411</a>
|
||||
<a href=#412 id=412 data-nosnippet>412</a> set.extend(iter);
|
||||
<a href=#413 id=413 data-nosnippet>413</a>
|
||||
<a href=#414 id=414 data-nosnippet>414</a> set
|
||||
<a href=#415 id=415 data-nosnippet>415</a> }
|
||||
<a href=#416 id=416 data-nosnippet>416</a>}
|
||||
<a href=#417 id=417 data-nosnippet>417</a>
|
||||
<a href=#418 id=418 data-nosnippet>418</a><span class="attr">#[cfg(feature = <span class="string">"typesize"</span>)]
|
||||
<a href=#419 id=419 data-nosnippet>419</a></span><span class="kw">impl</span><K, S> typesize::TypeSize <span class="kw">for </span>DashSet<K, S>
|
||||
<a href=#420 id=420 data-nosnippet>420</a><span class="kw">where
|
||||
<a href=#421 id=421 data-nosnippet>421</a> </span>K: typesize::TypeSize + Eq + Hash,
|
||||
<a href=#422 id=422 data-nosnippet>422</a> S: typesize::TypeSize + Clone + BuildHasher,
|
||||
<a href=#423 id=423 data-nosnippet>423</a>{
|
||||
<a href=#424 id=424 data-nosnippet>424</a> <span class="kw">fn </span>extra_size(<span class="kw-2">&</span><span class="self">self</span>) -> usize {
|
||||
<a href=#425 id=425 data-nosnippet>425</a> <span class="self">self</span>.inner.extra_size()
|
||||
<a href=#426 id=426 data-nosnippet>426</a> }
|
||||
<a href=#427 id=427 data-nosnippet>427</a>
|
||||
<a href=#428 id=428 data-nosnippet>428</a> <span class="macro">typesize::if_typesize_details!</span> {
|
||||
<a href=#429 id=429 data-nosnippet>429</a> <span class="kw">fn </span>get_collection_item_count(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><usize> {
|
||||
<a href=#430 id=430 data-nosnippet>430</a> <span class="prelude-val">Some</span>(<span class="self">self</span>.len())
|
||||
<a href=#431 id=431 data-nosnippet>431</a> }
|
||||
<a href=#432 id=432 data-nosnippet>432</a> }
|
||||
<a href=#433 id=433 data-nosnippet>433</a>}
|
||||
<a href=#434 id=434 data-nosnippet>434</a>
|
||||
<a href=#435 id=435 data-nosnippet>435</a><span class="attr">#[cfg(test)]
|
||||
<a href=#436 id=436 data-nosnippet>436</a></span><span class="kw">mod </span>tests {
|
||||
<a href=#437 id=437 data-nosnippet>437</a> <span class="kw">use </span><span class="kw">crate</span>::DashSet;
|
||||
<a href=#438 id=438 data-nosnippet>438</a>
|
||||
<a href=#439 id=439 data-nosnippet>439</a> <span class="attr">#[test]
|
||||
<a href=#440 id=440 data-nosnippet>440</a> </span><span class="kw">fn </span>test_basic() {
|
||||
<a href=#441 id=441 data-nosnippet>441</a> <span class="kw">let </span>set = DashSet::new();
|
||||
<a href=#442 id=442 data-nosnippet>442</a>
|
||||
<a href=#443 id=443 data-nosnippet>443</a> set.insert(<span class="number">0</span>);
|
||||
<a href=#444 id=444 data-nosnippet>444</a>
|
||||
<a href=#445 id=445 data-nosnippet>445</a> <span class="macro">assert_eq!</span>(set.get(<span class="kw-2">&</span><span class="number">0</span>).as_deref(), <span class="prelude-val">Some</span>(<span class="kw-2">&</span><span class="number">0</span>));
|
||||
<a href=#446 id=446 data-nosnippet>446</a> }
|
||||
<a href=#447 id=447 data-nosnippet>447</a>
|
||||
<a href=#448 id=448 data-nosnippet>448</a> <span class="attr">#[test]
|
||||
<a href=#449 id=449 data-nosnippet>449</a> </span><span class="kw">fn </span>test_default() {
|
||||
<a href=#450 id=450 data-nosnippet>450</a> <span class="kw">let </span>set: DashSet<u32> = DashSet::default();
|
||||
<a href=#451 id=451 data-nosnippet>451</a>
|
||||
<a href=#452 id=452 data-nosnippet>452</a> set.insert(<span class="number">0</span>);
|
||||
<a href=#453 id=453 data-nosnippet>453</a>
|
||||
<a href=#454 id=454 data-nosnippet>454</a> <span class="macro">assert_eq!</span>(set.get(<span class="kw-2">&</span><span class="number">0</span>).as_deref(), <span class="prelude-val">Some</span>(<span class="kw-2">&</span><span class="number">0</span>));
|
||||
<a href=#455 id=455 data-nosnippet>455</a> }
|
||||
<a href=#456 id=456 data-nosnippet>456</a>
|
||||
<a href=#457 id=457 data-nosnippet>457</a> <span class="attr">#[test]
|
||||
<a href=#458 id=458 data-nosnippet>458</a> </span><span class="kw">fn </span>test_multiple_hashes() {
|
||||
<a href=#459 id=459 data-nosnippet>459</a> <span class="kw">let </span>set = DashSet::<u32>::default();
|
||||
<a href=#460 id=460 data-nosnippet>460</a>
|
||||
<a href=#461 id=461 data-nosnippet>461</a> <span class="kw">for </span>i <span class="kw">in </span><span class="number">0</span>..<span class="number">100 </span>{
|
||||
<a href=#462 id=462 data-nosnippet>462</a> <span class="macro">assert!</span>(set.insert(i));
|
||||
<a href=#463 id=463 data-nosnippet>463</a> }
|
||||
<a href=#464 id=464 data-nosnippet>464</a>
|
||||
<a href=#465 id=465 data-nosnippet>465</a> <span class="kw">for </span>i <span class="kw">in </span><span class="number">0</span>..<span class="number">100 </span>{
|
||||
<a href=#466 id=466 data-nosnippet>466</a> <span class="macro">assert!</span>(!set.insert(i));
|
||||
<a href=#467 id=467 data-nosnippet>467</a> }
|
||||
<a href=#468 id=468 data-nosnippet>468</a>
|
||||
<a href=#469 id=469 data-nosnippet>469</a> <span class="kw">for </span>i <span class="kw">in </span><span class="number">0</span>..<span class="number">100 </span>{
|
||||
<a href=#470 id=470 data-nosnippet>470</a> <span class="macro">assert_eq!</span>(<span class="prelude-val">Some</span>(i), set.remove(<span class="kw-2">&</span>i));
|
||||
<a href=#471 id=471 data-nosnippet>471</a> }
|
||||
<a href=#472 id=472 data-nosnippet>472</a>
|
||||
<a href=#473 id=473 data-nosnippet>473</a> <span class="kw">for </span>i <span class="kw">in </span><span class="number">0</span>..<span class="number">100 </span>{
|
||||
<a href=#474 id=474 data-nosnippet>474</a> <span class="macro">assert_eq!</span>(<span class="prelude-val">None</span>, set.remove(<span class="kw-2">&</span>i));
|
||||
<a href=#475 id=475 data-nosnippet>475</a> }
|
||||
<a href=#476 id=476 data-nosnippet>476</a> }
|
||||
<a href=#477 id=477 data-nosnippet>477</a>}
|
||||
</code></pre></div></section></main></body></html>
|
||||
3
target/doc/src/dashmap/setref/mod.rs.html
Normal file
3
target/doc/src/dashmap/setref/mod.rs.html
Normal file
@@ -0,0 +1,3 @@
|
||||
<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `C:\Users\szend\.cargo\registry\src\index.crates.io-1949cf8c6b5b557f\dashmap-6.1.0\src\setref\mod.rs`."><title>mod.rs - source</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-6b053e98.ttf.woff2,FiraSans-Italic-81dc35de.woff2,FiraSans-Regular-0fe48ade.woff2,FiraSans-MediumItalic-ccf7e434.woff2,FiraSans-Medium-e1aa3f0a.woff2,SourceCodePro-Regular-8badfe75.ttf.woff2,SourceCodePro-Semibold-aa29a496.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2"href="../../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../../static.files/normalize-9960930a.css"><link rel="stylesheet" href="../../../static.files/rustdoc-ca0dd0c4.css"><meta name="rustdoc-vars" data-root-path="../../../" data-static-root-path="../../../static.files/" data-current-crate="dashmap" data-themes="" data-resource-suffix="" data-rustdoc-version="1.93.1 (01f6ddf75 2026-02-11)" data-channel="1.93.1" data-search-js="search-9e2438ea.js" data-stringdex-js="stringdex-a3946164.js" data-settings-js="settings-c38705f0.js" ><script src="../../../static.files/storage-e2aeef58.js"></script><script defer src="../../../static.files/src-script-813739b1.js"></script><script defer src="../../../src-files.js"></script><script defer src="../../../static.files/main-a410ff4d.js"></script><noscript><link rel="stylesheet" href="../../../static.files/noscript-263c88ec.css"></noscript><link rel="alternate icon" type="image/png" href="../../../static.files/favicon-32x32-eab170b8.png"><link rel="icon" type="image/svg+xml" href="../../../static.files/favicon-044be391.svg"></head><body class="rustdoc src"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="src-sidebar-title"><h2>Files</h2></div></nav><div class="sidebar-resizer" title="Drag to resize sidebar"></div><main><section id="main-content" class="content"><div class="main-heading"><h1><div class="sub-heading">dashmap\setref/</div>mod.rs</h1><rustdoc-toolbar></rustdoc-toolbar></div><div class="example-wrap digits-1"><pre class="rust"><code><a href=#1 id=1 data-nosnippet>1</a><span class="kw">pub mod </span>multiple;
|
||||
<a href=#2 id=2 data-nosnippet>2</a><span class="kw">pub mod </span>one;
|
||||
</code></pre></div></section></main></body></html>
|
||||
26
target/doc/src/dashmap/setref/multiple.rs.html
Normal file
26
target/doc/src/dashmap/setref/multiple.rs.html
Normal file
@@ -0,0 +1,26 @@
|
||||
<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `C:\Users\szend\.cargo\registry\src\index.crates.io-1949cf8c6b5b557f\dashmap-6.1.0\src\setref\multiple.rs`."><title>multiple.rs - source</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-6b053e98.ttf.woff2,FiraSans-Italic-81dc35de.woff2,FiraSans-Regular-0fe48ade.woff2,FiraSans-MediumItalic-ccf7e434.woff2,FiraSans-Medium-e1aa3f0a.woff2,SourceCodePro-Regular-8badfe75.ttf.woff2,SourceCodePro-Semibold-aa29a496.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2"href="../../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../../static.files/normalize-9960930a.css"><link rel="stylesheet" href="../../../static.files/rustdoc-ca0dd0c4.css"><meta name="rustdoc-vars" data-root-path="../../../" data-static-root-path="../../../static.files/" data-current-crate="dashmap" data-themes="" data-resource-suffix="" data-rustdoc-version="1.93.1 (01f6ddf75 2026-02-11)" data-channel="1.93.1" data-search-js="search-9e2438ea.js" data-stringdex-js="stringdex-a3946164.js" data-settings-js="settings-c38705f0.js" ><script src="../../../static.files/storage-e2aeef58.js"></script><script defer src="../../../static.files/src-script-813739b1.js"></script><script defer src="../../../src-files.js"></script><script defer src="../../../static.files/main-a410ff4d.js"></script><noscript><link rel="stylesheet" href="../../../static.files/noscript-263c88ec.css"></noscript><link rel="alternate icon" type="image/png" href="../../../static.files/favicon-32x32-eab170b8.png"><link rel="icon" type="image/svg+xml" href="../../../static.files/favicon-044be391.svg"></head><body class="rustdoc src"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="src-sidebar-title"><h2>Files</h2></div></nav><div class="sidebar-resizer" title="Drag to resize sidebar"></div><main><section id="main-content" class="content"><div class="main-heading"><h1><div class="sub-heading">dashmap\setref/</div>multiple.rs</h1><rustdoc-toolbar></rustdoc-toolbar></div><div class="example-wrap digits-2"><pre class="rust"><code><a href=#1 id=1 data-nosnippet>1</a><span class="kw">use </span><span class="kw">crate</span>::mapref;
|
||||
<a href=#2 id=2 data-nosnippet>2</a><span class="kw">use </span>core::hash::Hash;
|
||||
<a href=#3 id=3 data-nosnippet>3</a><span class="kw">use </span>core::ops::Deref;
|
||||
<a href=#4 id=4 data-nosnippet>4</a>
|
||||
<a href=#5 id=5 data-nosnippet>5</a><span class="kw">pub struct </span>RefMulti<<span class="lifetime">'a</span>, K> {
|
||||
<a href=#6 id=6 data-nosnippet>6</a> inner: mapref::multiple::RefMulti<<span class="lifetime">'a</span>, K, ()>,
|
||||
<a href=#7 id=7 data-nosnippet>7</a>}
|
||||
<a href=#8 id=8 data-nosnippet>8</a>
|
||||
<a href=#9 id=9 data-nosnippet>9</a><span class="kw">impl</span><<span class="lifetime">'a</span>, K: Eq + Hash> RefMulti<<span class="lifetime">'a</span>, K> {
|
||||
<a href=#10 id=10 data-nosnippet>10</a> <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn </span>new(inner: mapref::multiple::RefMulti<<span class="lifetime">'a</span>, K, ()>) -> <span class="self">Self </span>{
|
||||
<a href=#11 id=11 data-nosnippet>11</a> <span class="self">Self </span>{ inner }
|
||||
<a href=#12 id=12 data-nosnippet>12</a> }
|
||||
<a href=#13 id=13 data-nosnippet>13</a>
|
||||
<a href=#14 id=14 data-nosnippet>14</a> <span class="kw">pub fn </span>key(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw-2">&</span>K {
|
||||
<a href=#15 id=15 data-nosnippet>15</a> <span class="self">self</span>.inner.key()
|
||||
<a href=#16 id=16 data-nosnippet>16</a> }
|
||||
<a href=#17 id=17 data-nosnippet>17</a>}
|
||||
<a href=#18 id=18 data-nosnippet>18</a>
|
||||
<a href=#19 id=19 data-nosnippet>19</a><span class="kw">impl</span><<span class="lifetime">'a</span>, K: Eq + Hash> Deref <span class="kw">for </span>RefMulti<<span class="lifetime">'a</span>, K> {
|
||||
<a href=#20 id=20 data-nosnippet>20</a> <span class="kw">type </span>Target = K;
|
||||
<a href=#21 id=21 data-nosnippet>21</a>
|
||||
<a href=#22 id=22 data-nosnippet>22</a> <span class="kw">fn </span>deref(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw-2">&</span>K {
|
||||
<a href=#23 id=23 data-nosnippet>23</a> <span class="self">self</span>.key()
|
||||
<a href=#24 id=24 data-nosnippet>24</a> }
|
||||
<a href=#25 id=25 data-nosnippet>25</a>}
|
||||
</code></pre></div></section></main></body></html>
|
||||
26
target/doc/src/dashmap/setref/one.rs.html
Normal file
26
target/doc/src/dashmap/setref/one.rs.html
Normal file
@@ -0,0 +1,26 @@
|
||||
<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `C:\Users\szend\.cargo\registry\src\index.crates.io-1949cf8c6b5b557f\dashmap-6.1.0\src\setref\one.rs`."><title>one.rs - source</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-6b053e98.ttf.woff2,FiraSans-Italic-81dc35de.woff2,FiraSans-Regular-0fe48ade.woff2,FiraSans-MediumItalic-ccf7e434.woff2,FiraSans-Medium-e1aa3f0a.woff2,SourceCodePro-Regular-8badfe75.ttf.woff2,SourceCodePro-Semibold-aa29a496.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2"href="../../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../../static.files/normalize-9960930a.css"><link rel="stylesheet" href="../../../static.files/rustdoc-ca0dd0c4.css"><meta name="rustdoc-vars" data-root-path="../../../" data-static-root-path="../../../static.files/" data-current-crate="dashmap" data-themes="" data-resource-suffix="" data-rustdoc-version="1.93.1 (01f6ddf75 2026-02-11)" data-channel="1.93.1" data-search-js="search-9e2438ea.js" data-stringdex-js="stringdex-a3946164.js" data-settings-js="settings-c38705f0.js" ><script src="../../../static.files/storage-e2aeef58.js"></script><script defer src="../../../static.files/src-script-813739b1.js"></script><script defer src="../../../src-files.js"></script><script defer src="../../../static.files/main-a410ff4d.js"></script><noscript><link rel="stylesheet" href="../../../static.files/noscript-263c88ec.css"></noscript><link rel="alternate icon" type="image/png" href="../../../static.files/favicon-32x32-eab170b8.png"><link rel="icon" type="image/svg+xml" href="../../../static.files/favicon-044be391.svg"></head><body class="rustdoc src"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="src-sidebar-title"><h2>Files</h2></div></nav><div class="sidebar-resizer" title="Drag to resize sidebar"></div><main><section id="main-content" class="content"><div class="main-heading"><h1><div class="sub-heading">dashmap\setref/</div>one.rs</h1><rustdoc-toolbar></rustdoc-toolbar></div><div class="example-wrap digits-2"><pre class="rust"><code><a href=#1 id=1 data-nosnippet>1</a><span class="kw">use </span><span class="kw">crate</span>::mapref;
|
||||
<a href=#2 id=2 data-nosnippet>2</a><span class="kw">use </span>core::hash::Hash;
|
||||
<a href=#3 id=3 data-nosnippet>3</a><span class="kw">use </span>core::ops::Deref;
|
||||
<a href=#4 id=4 data-nosnippet>4</a>
|
||||
<a href=#5 id=5 data-nosnippet>5</a><span class="kw">pub struct </span>Ref<<span class="lifetime">'a</span>, K> {
|
||||
<a href=#6 id=6 data-nosnippet>6</a> inner: mapref::one::Ref<<span class="lifetime">'a</span>, K, ()>,
|
||||
<a href=#7 id=7 data-nosnippet>7</a>}
|
||||
<a href=#8 id=8 data-nosnippet>8</a>
|
||||
<a href=#9 id=9 data-nosnippet>9</a><span class="kw">impl</span><<span class="lifetime">'a</span>, K: Eq + Hash> Ref<<span class="lifetime">'a</span>, K> {
|
||||
<a href=#10 id=10 data-nosnippet>10</a> <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn </span>new(inner: mapref::one::Ref<<span class="lifetime">'a</span>, K, ()>) -> <span class="self">Self </span>{
|
||||
<a href=#11 id=11 data-nosnippet>11</a> <span class="self">Self </span>{ inner }
|
||||
<a href=#12 id=12 data-nosnippet>12</a> }
|
||||
<a href=#13 id=13 data-nosnippet>13</a>
|
||||
<a href=#14 id=14 data-nosnippet>14</a> <span class="kw">pub fn </span>key(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw-2">&</span>K {
|
||||
<a href=#15 id=15 data-nosnippet>15</a> <span class="self">self</span>.inner.key()
|
||||
<a href=#16 id=16 data-nosnippet>16</a> }
|
||||
<a href=#17 id=17 data-nosnippet>17</a>}
|
||||
<a href=#18 id=18 data-nosnippet>18</a>
|
||||
<a href=#19 id=19 data-nosnippet>19</a><span class="kw">impl</span><<span class="lifetime">'a</span>, K: Eq + Hash> Deref <span class="kw">for </span>Ref<<span class="lifetime">'a</span>, K> {
|
||||
<a href=#20 id=20 data-nosnippet>20</a> <span class="kw">type </span>Target = K;
|
||||
<a href=#21 id=21 data-nosnippet>21</a>
|
||||
<a href=#22 id=22 data-nosnippet>22</a> <span class="kw">fn </span>deref(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw-2">&</span>K {
|
||||
<a href=#23 id=23 data-nosnippet>23</a> <span class="self">self</span>.key()
|
||||
<a href=#24 id=24 data-nosnippet>24</a> }
|
||||
<a href=#25 id=25 data-nosnippet>25</a>}
|
||||
</code></pre></div></section></main></body></html>
|
||||
135
target/doc/src/dashmap/t.rs.html
Normal file
135
target/doc/src/dashmap/t.rs.html
Normal file
@@ -0,0 +1,135 @@
|
||||
<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `C:\Users\szend\.cargo\registry\src\index.crates.io-1949cf8c6b5b557f\dashmap-6.1.0\src\t.rs`."><title>t.rs - source</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-6b053e98.ttf.woff2,FiraSans-Italic-81dc35de.woff2,FiraSans-Regular-0fe48ade.woff2,FiraSans-MediumItalic-ccf7e434.woff2,FiraSans-Medium-e1aa3f0a.woff2,SourceCodePro-Regular-8badfe75.ttf.woff2,SourceCodePro-Semibold-aa29a496.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2"href="../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../static.files/normalize-9960930a.css"><link rel="stylesheet" href="../../static.files/rustdoc-ca0dd0c4.css"><meta name="rustdoc-vars" data-root-path="../../" data-static-root-path="../../static.files/" data-current-crate="dashmap" data-themes="" data-resource-suffix="" data-rustdoc-version="1.93.1 (01f6ddf75 2026-02-11)" data-channel="1.93.1" data-search-js="search-9e2438ea.js" data-stringdex-js="stringdex-a3946164.js" data-settings-js="settings-c38705f0.js" ><script src="../../static.files/storage-e2aeef58.js"></script><script defer src="../../static.files/src-script-813739b1.js"></script><script defer src="../../src-files.js"></script><script defer src="../../static.files/main-a410ff4d.js"></script><noscript><link rel="stylesheet" href="../../static.files/noscript-263c88ec.css"></noscript><link rel="alternate icon" type="image/png" href="../../static.files/favicon-32x32-eab170b8.png"><link rel="icon" type="image/svg+xml" href="../../static.files/favicon-044be391.svg"></head><body class="rustdoc src"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="src-sidebar-title"><h2>Files</h2></div></nav><div class="sidebar-resizer" title="Drag to resize sidebar"></div><main><section id="main-content" class="content"><div class="main-heading"><h1><div class="sub-heading">dashmap/</div>t.rs</h1><rustdoc-toolbar></rustdoc-toolbar></div><div class="example-wrap digits-3"><pre class="rust"><code><a href=#1 id=1 data-nosnippet>1</a><span class="doccomment">//! Central map trait to ease modifications and extensions down the road.
|
||||
<a href=#2 id=2 data-nosnippet>2</a>
|
||||
<a href=#3 id=3 data-nosnippet>3</a></span><span class="kw">use </span><span class="kw">crate</span>::iter::{Iter, IterMut};
|
||||
<a href=#4 id=4 data-nosnippet>4</a><span class="kw">use </span><span class="kw">crate</span>::lock::{RwLockReadGuard, RwLockWriteGuard};
|
||||
<a href=#5 id=5 data-nosnippet>5</a><span class="kw">use </span><span class="kw">crate</span>::mapref::entry::Entry;
|
||||
<a href=#6 id=6 data-nosnippet>6</a><span class="kw">use </span><span class="kw">crate</span>::mapref::one::{Ref, RefMut};
|
||||
<a href=#7 id=7 data-nosnippet>7</a><span class="kw">use </span><span class="kw">crate</span>::try_result::TryResult;
|
||||
<a href=#8 id=8 data-nosnippet>8</a><span class="kw">use </span><span class="kw">crate</span>::HashMap;
|
||||
<a href=#9 id=9 data-nosnippet>9</a><span class="kw">use </span>core::borrow::Borrow;
|
||||
<a href=#10 id=10 data-nosnippet>10</a><span class="kw">use </span>core::hash::{BuildHasher, Hash};
|
||||
<a href=#11 id=11 data-nosnippet>11</a>
|
||||
<a href=#12 id=12 data-nosnippet>12</a><span class="doccomment">/// Implementation detail that is exposed due to generic constraints in public types.
|
||||
<a href=#13 id=13 data-nosnippet>13</a></span><span class="kw">pub trait </span>Map<<span class="lifetime">'a</span>, K: <span class="lifetime">'a </span>+ Eq + Hash, V: <span class="lifetime">'a</span>, S: <span class="lifetime">'a </span>+ Clone + BuildHasher> {
|
||||
<a href=#14 id=14 data-nosnippet>14</a> <span class="kw">fn </span>_shard_count(<span class="kw-2">&</span><span class="self">self</span>) -> usize;
|
||||
<a href=#15 id=15 data-nosnippet>15</a>
|
||||
<a href=#16 id=16 data-nosnippet>16</a> <span class="doccomment">/// # Safety
|
||||
<a href=#17 id=17 data-nosnippet>17</a> ///
|
||||
<a href=#18 id=18 data-nosnippet>18</a> /// The index must not be out of bounds.
|
||||
<a href=#19 id=19 data-nosnippet>19</a> </span><span class="kw">unsafe fn </span>_get_read_shard(<span class="kw-2">&</span><span class="lifetime">'a </span><span class="self">self</span>, i: usize) -> <span class="kw-2">&</span><span class="lifetime">'a </span>HashMap<K, V>;
|
||||
<a href=#20 id=20 data-nosnippet>20</a>
|
||||
<a href=#21 id=21 data-nosnippet>21</a> <span class="doccomment">/// # Safety
|
||||
<a href=#22 id=22 data-nosnippet>22</a> ///
|
||||
<a href=#23 id=23 data-nosnippet>23</a> /// The index must not be out of bounds.
|
||||
<a href=#24 id=24 data-nosnippet>24</a> </span><span class="kw">unsafe fn </span>_yield_read_shard(<span class="kw-2">&</span><span class="lifetime">'a </span><span class="self">self</span>, i: usize) -> RwLockReadGuard<<span class="lifetime">'a</span>, HashMap<K, V>>;
|
||||
<a href=#25 id=25 data-nosnippet>25</a>
|
||||
<a href=#26 id=26 data-nosnippet>26</a> <span class="doccomment">/// # Safety
|
||||
<a href=#27 id=27 data-nosnippet>27</a> ///
|
||||
<a href=#28 id=28 data-nosnippet>28</a> /// The index must not be out of bounds.
|
||||
<a href=#29 id=29 data-nosnippet>29</a> </span><span class="kw">unsafe fn </span>_yield_write_shard(<span class="kw-2">&</span><span class="lifetime">'a </span><span class="self">self</span>, i: usize) -> RwLockWriteGuard<<span class="lifetime">'a</span>, HashMap<K, V>>;
|
||||
<a href=#30 id=30 data-nosnippet>30</a>
|
||||
<a href=#31 id=31 data-nosnippet>31</a> <span class="doccomment">/// # Safety
|
||||
<a href=#32 id=32 data-nosnippet>32</a> ///
|
||||
<a href=#33 id=33 data-nosnippet>33</a> /// The index must not be out of bounds.
|
||||
<a href=#34 id=34 data-nosnippet>34</a> </span><span class="kw">unsafe fn </span>_try_yield_read_shard(
|
||||
<a href=#35 id=35 data-nosnippet>35</a> <span class="kw-2">&</span><span class="lifetime">'a </span><span class="self">self</span>,
|
||||
<a href=#36 id=36 data-nosnippet>36</a> i: usize,
|
||||
<a href=#37 id=37 data-nosnippet>37</a> ) -> <span class="prelude-ty">Option</span><RwLockReadGuard<<span class="lifetime">'a</span>, HashMap<K, V>>>;
|
||||
<a href=#38 id=38 data-nosnippet>38</a>
|
||||
<a href=#39 id=39 data-nosnippet>39</a> <span class="doccomment">/// # Safety
|
||||
<a href=#40 id=40 data-nosnippet>40</a> ///
|
||||
<a href=#41 id=41 data-nosnippet>41</a> /// The index must not be out of bounds.
|
||||
<a href=#42 id=42 data-nosnippet>42</a> </span><span class="kw">unsafe fn </span>_try_yield_write_shard(
|
||||
<a href=#43 id=43 data-nosnippet>43</a> <span class="kw-2">&</span><span class="lifetime">'a </span><span class="self">self</span>,
|
||||
<a href=#44 id=44 data-nosnippet>44</a> i: usize,
|
||||
<a href=#45 id=45 data-nosnippet>45</a> ) -> <span class="prelude-ty">Option</span><RwLockWriteGuard<<span class="lifetime">'a</span>, HashMap<K, V>>>;
|
||||
<a href=#46 id=46 data-nosnippet>46</a>
|
||||
<a href=#47 id=47 data-nosnippet>47</a> <span class="kw">fn </span>_insert(<span class="kw-2">&</span><span class="self">self</span>, key: K, value: V) -> <span class="prelude-ty">Option</span><V>;
|
||||
<a href=#48 id=48 data-nosnippet>48</a>
|
||||
<a href=#49 id=49 data-nosnippet>49</a> <span class="kw">fn </span>_remove<Q>(<span class="kw-2">&</span><span class="self">self</span>, key: <span class="kw-2">&</span>Q) -> <span class="prelude-ty">Option</span><(K, V)>
|
||||
<a href=#50 id=50 data-nosnippet>50</a> <span class="kw">where
|
||||
<a href=#51 id=51 data-nosnippet>51</a> </span>K: Borrow<Q>,
|
||||
<a href=#52 id=52 data-nosnippet>52</a> Q: Hash + Eq + <span class="question-mark">?</span>Sized;
|
||||
<a href=#53 id=53 data-nosnippet>53</a>
|
||||
<a href=#54 id=54 data-nosnippet>54</a> <span class="kw">fn </span>_remove_if<Q>(<span class="kw-2">&</span><span class="self">self</span>, key: <span class="kw-2">&</span>Q, f: <span class="kw">impl </span>FnOnce(<span class="kw-2">&</span>K, <span class="kw-2">&</span>V) -> bool) -> <span class="prelude-ty">Option</span><(K, V)>
|
||||
<a href=#55 id=55 data-nosnippet>55</a> <span class="kw">where
|
||||
<a href=#56 id=56 data-nosnippet>56</a> </span>K: Borrow<Q>,
|
||||
<a href=#57 id=57 data-nosnippet>57</a> Q: Hash + Eq + <span class="question-mark">?</span>Sized;
|
||||
<a href=#58 id=58 data-nosnippet>58</a>
|
||||
<a href=#59 id=59 data-nosnippet>59</a> <span class="kw">fn </span>_remove_if_mut<Q>(<span class="kw-2">&</span><span class="self">self</span>, key: <span class="kw-2">&</span>Q, f: <span class="kw">impl </span>FnOnce(<span class="kw-2">&</span>K, <span class="kw-2">&mut </span>V) -> bool) -> <span class="prelude-ty">Option</span><(K, V)>
|
||||
<a href=#60 id=60 data-nosnippet>60</a> <span class="kw">where
|
||||
<a href=#61 id=61 data-nosnippet>61</a> </span>K: Borrow<Q>,
|
||||
<a href=#62 id=62 data-nosnippet>62</a> Q: Hash + Eq + <span class="question-mark">?</span>Sized;
|
||||
<a href=#63 id=63 data-nosnippet>63</a>
|
||||
<a href=#64 id=64 data-nosnippet>64</a> <span class="kw">fn </span>_iter(<span class="kw-2">&</span><span class="lifetime">'a </span><span class="self">self</span>) -> Iter<<span class="lifetime">'a</span>, K, V, S, <span class="self">Self</span>>
|
||||
<a href=#65 id=65 data-nosnippet>65</a> <span class="kw">where
|
||||
<a href=#66 id=66 data-nosnippet>66</a> </span><span class="self">Self</span>: Sized;
|
||||
<a href=#67 id=67 data-nosnippet>67</a>
|
||||
<a href=#68 id=68 data-nosnippet>68</a> <span class="kw">fn </span>_iter_mut(<span class="kw-2">&</span><span class="lifetime">'a </span><span class="self">self</span>) -> IterMut<<span class="lifetime">'a</span>, K, V, S, <span class="self">Self</span>>
|
||||
<a href=#69 id=69 data-nosnippet>69</a> <span class="kw">where
|
||||
<a href=#70 id=70 data-nosnippet>70</a> </span><span class="self">Self</span>: Sized;
|
||||
<a href=#71 id=71 data-nosnippet>71</a>
|
||||
<a href=#72 id=72 data-nosnippet>72</a> <span class="kw">fn </span>_get<Q>(<span class="kw-2">&</span><span class="lifetime">'a </span><span class="self">self</span>, key: <span class="kw-2">&</span>Q) -> <span class="prelude-ty">Option</span><Ref<<span class="lifetime">'a</span>, K, V>>
|
||||
<a href=#73 id=73 data-nosnippet>73</a> <span class="kw">where
|
||||
<a href=#74 id=74 data-nosnippet>74</a> </span>K: Borrow<Q>,
|
||||
<a href=#75 id=75 data-nosnippet>75</a> Q: Hash + Eq + <span class="question-mark">?</span>Sized;
|
||||
<a href=#76 id=76 data-nosnippet>76</a>
|
||||
<a href=#77 id=77 data-nosnippet>77</a> <span class="kw">fn </span>_get_mut<Q>(<span class="kw-2">&</span><span class="lifetime">'a </span><span class="self">self</span>, key: <span class="kw-2">&</span>Q) -> <span class="prelude-ty">Option</span><RefMut<<span class="lifetime">'a</span>, K, V>>
|
||||
<a href=#78 id=78 data-nosnippet>78</a> <span class="kw">where
|
||||
<a href=#79 id=79 data-nosnippet>79</a> </span>K: Borrow<Q>,
|
||||
<a href=#80 id=80 data-nosnippet>80</a> Q: Hash + Eq + <span class="question-mark">?</span>Sized;
|
||||
<a href=#81 id=81 data-nosnippet>81</a>
|
||||
<a href=#82 id=82 data-nosnippet>82</a> <span class="kw">fn </span>_try_get<Q>(<span class="kw-2">&</span><span class="lifetime">'a </span><span class="self">self</span>, key: <span class="kw-2">&</span>Q) -> TryResult<Ref<<span class="lifetime">'a</span>, K, V>>
|
||||
<a href=#83 id=83 data-nosnippet>83</a> <span class="kw">where
|
||||
<a href=#84 id=84 data-nosnippet>84</a> </span>K: Borrow<Q>,
|
||||
<a href=#85 id=85 data-nosnippet>85</a> Q: Hash + Eq + <span class="question-mark">?</span>Sized;
|
||||
<a href=#86 id=86 data-nosnippet>86</a>
|
||||
<a href=#87 id=87 data-nosnippet>87</a> <span class="kw">fn </span>_try_get_mut<Q>(<span class="kw-2">&</span><span class="lifetime">'a </span><span class="self">self</span>, key: <span class="kw-2">&</span>Q) -> TryResult<RefMut<<span class="lifetime">'a</span>, K, V>>
|
||||
<a href=#88 id=88 data-nosnippet>88</a> <span class="kw">where
|
||||
<a href=#89 id=89 data-nosnippet>89</a> </span>K: Borrow<Q>,
|
||||
<a href=#90 id=90 data-nosnippet>90</a> Q: Hash + Eq + <span class="question-mark">?</span>Sized;
|
||||
<a href=#91 id=91 data-nosnippet>91</a>
|
||||
<a href=#92 id=92 data-nosnippet>92</a> <span class="kw">fn </span>_shrink_to_fit(<span class="kw-2">&</span><span class="self">self</span>);
|
||||
<a href=#93 id=93 data-nosnippet>93</a>
|
||||
<a href=#94 id=94 data-nosnippet>94</a> <span class="kw">fn </span>_retain(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw">impl </span>FnMut(<span class="kw-2">&</span>K, <span class="kw-2">&mut </span>V) -> bool);
|
||||
<a href=#95 id=95 data-nosnippet>95</a>
|
||||
<a href=#96 id=96 data-nosnippet>96</a> <span class="kw">fn </span>_len(<span class="kw-2">&</span><span class="self">self</span>) -> usize;
|
||||
<a href=#97 id=97 data-nosnippet>97</a>
|
||||
<a href=#98 id=98 data-nosnippet>98</a> <span class="kw">fn </span>_capacity(<span class="kw-2">&</span><span class="self">self</span>) -> usize;
|
||||
<a href=#99 id=99 data-nosnippet>99</a>
|
||||
<a href=#100 id=100 data-nosnippet>100</a> <span class="kw">fn </span>_alter<Q>(<span class="kw-2">&</span><span class="self">self</span>, key: <span class="kw-2">&</span>Q, f: <span class="kw">impl </span>FnOnce(<span class="kw-2">&</span>K, V) -> V)
|
||||
<a href=#101 id=101 data-nosnippet>101</a> <span class="kw">where
|
||||
<a href=#102 id=102 data-nosnippet>102</a> </span>K: Borrow<Q>,
|
||||
<a href=#103 id=103 data-nosnippet>103</a> Q: Hash + Eq + <span class="question-mark">?</span>Sized;
|
||||
<a href=#104 id=104 data-nosnippet>104</a>
|
||||
<a href=#105 id=105 data-nosnippet>105</a> <span class="kw">fn </span>_alter_all(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw">impl </span>FnMut(<span class="kw-2">&</span>K, V) -> V);
|
||||
<a href=#106 id=106 data-nosnippet>106</a>
|
||||
<a href=#107 id=107 data-nosnippet>107</a> <span class="kw">fn </span>_view<Q, R>(<span class="kw-2">&</span><span class="self">self</span>, key: <span class="kw-2">&</span>Q, f: <span class="kw">impl </span>FnOnce(<span class="kw-2">&</span>K, <span class="kw-2">&</span>V) -> R) -> <span class="prelude-ty">Option</span><R>
|
||||
<a href=#108 id=108 data-nosnippet>108</a> <span class="kw">where
|
||||
<a href=#109 id=109 data-nosnippet>109</a> </span>K: Borrow<Q>,
|
||||
<a href=#110 id=110 data-nosnippet>110</a> Q: Hash + Eq + <span class="question-mark">?</span>Sized;
|
||||
<a href=#111 id=111 data-nosnippet>111</a>
|
||||
<a href=#112 id=112 data-nosnippet>112</a> <span class="kw">fn </span>_entry(<span class="kw-2">&</span><span class="lifetime">'a </span><span class="self">self</span>, key: K) -> Entry<<span class="lifetime">'a</span>, K, V>;
|
||||
<a href=#113 id=113 data-nosnippet>113</a>
|
||||
<a href=#114 id=114 data-nosnippet>114</a> <span class="kw">fn </span>_try_entry(<span class="kw-2">&</span><span class="lifetime">'a </span><span class="self">self</span>, key: K) -> <span class="prelude-ty">Option</span><Entry<<span class="lifetime">'a</span>, K, V>>;
|
||||
<a href=#115 id=115 data-nosnippet>115</a>
|
||||
<a href=#116 id=116 data-nosnippet>116</a> <span class="kw">fn </span>_hasher(<span class="kw-2">&</span><span class="self">self</span>) -> S;
|
||||
<a href=#117 id=117 data-nosnippet>117</a>
|
||||
<a href=#118 id=118 data-nosnippet>118</a> <span class="comment">// provided
|
||||
<a href=#119 id=119 data-nosnippet>119</a> </span><span class="kw">fn </span>_clear(<span class="kw-2">&</span><span class="self">self</span>) {
|
||||
<a href=#120 id=120 data-nosnippet>120</a> <span class="self">self</span>._retain(|<span class="kw">_</span>, <span class="kw">_</span>| <span class="bool-val">false</span>)
|
||||
<a href=#121 id=121 data-nosnippet>121</a> }
|
||||
<a href=#122 id=122 data-nosnippet>122</a>
|
||||
<a href=#123 id=123 data-nosnippet>123</a> <span class="kw">fn </span>_contains_key<Q>(<span class="kw-2">&</span><span class="lifetime">'a </span><span class="self">self</span>, key: <span class="kw-2">&</span>Q) -> bool
|
||||
<a href=#124 id=124 data-nosnippet>124</a> <span class="kw">where
|
||||
<a href=#125 id=125 data-nosnippet>125</a> </span>K: Borrow<Q>,
|
||||
<a href=#126 id=126 data-nosnippet>126</a> Q: Hash + Eq + <span class="question-mark">?</span>Sized,
|
||||
<a href=#127 id=127 data-nosnippet>127</a> {
|
||||
<a href=#128 id=128 data-nosnippet>128</a> <span class="self">self</span>._get(key).is_some()
|
||||
<a href=#129 id=129 data-nosnippet>129</a> }
|
||||
<a href=#130 id=130 data-nosnippet>130</a>
|
||||
<a href=#131 id=131 data-nosnippet>131</a> <span class="kw">fn </span>_is_empty(<span class="kw-2">&</span><span class="self">self</span>) -> bool {
|
||||
<a href=#132 id=132 data-nosnippet>132</a> <span class="self">self</span>._len() == <span class="number">0
|
||||
<a href=#133 id=133 data-nosnippet>133</a> </span>}
|
||||
<a href=#134 id=134 data-nosnippet>134</a>}
|
||||
</code></pre></div></section></main></body></html>
|
||||
47
target/doc/src/dashmap/try_result.rs.html
Normal file
47
target/doc/src/dashmap/try_result.rs.html
Normal file
@@ -0,0 +1,47 @@
|
||||
<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `C:\Users\szend\.cargo\registry\src\index.crates.io-1949cf8c6b5b557f\dashmap-6.1.0\src\try_result.rs`."><title>try_result.rs - source</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-6b053e98.ttf.woff2,FiraSans-Italic-81dc35de.woff2,FiraSans-Regular-0fe48ade.woff2,FiraSans-MediumItalic-ccf7e434.woff2,FiraSans-Medium-e1aa3f0a.woff2,SourceCodePro-Regular-8badfe75.ttf.woff2,SourceCodePro-Semibold-aa29a496.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2"href="../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../static.files/normalize-9960930a.css"><link rel="stylesheet" href="../../static.files/rustdoc-ca0dd0c4.css"><meta name="rustdoc-vars" data-root-path="../../" data-static-root-path="../../static.files/" data-current-crate="dashmap" data-themes="" data-resource-suffix="" data-rustdoc-version="1.93.1 (01f6ddf75 2026-02-11)" data-channel="1.93.1" data-search-js="search-9e2438ea.js" data-stringdex-js="stringdex-a3946164.js" data-settings-js="settings-c38705f0.js" ><script src="../../static.files/storage-e2aeef58.js"></script><script defer src="../../static.files/src-script-813739b1.js"></script><script defer src="../../src-files.js"></script><script defer src="../../static.files/main-a410ff4d.js"></script><noscript><link rel="stylesheet" href="../../static.files/noscript-263c88ec.css"></noscript><link rel="alternate icon" type="image/png" href="../../static.files/favicon-32x32-eab170b8.png"><link rel="icon" type="image/svg+xml" href="../../static.files/favicon-044be391.svg"></head><body class="rustdoc src"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="src-sidebar-title"><h2>Files</h2></div></nav><div class="sidebar-resizer" title="Drag to resize sidebar"></div><main><section id="main-content" class="content"><div class="main-heading"><h1><div class="sub-heading">dashmap/</div>try_result.rs</h1><rustdoc-toolbar></rustdoc-toolbar></div><div class="example-wrap digits-2"><pre class="rust"><code><a href=#1 id=1 data-nosnippet>1</a><span class="doccomment">/// Represents the result of a non-blocking read from a [DashMap](crate::DashMap).
|
||||
<a href=#2 id=2 data-nosnippet>2</a></span><span class="attr">#[derive(Debug)]
|
||||
<a href=#3 id=3 data-nosnippet>3</a></span><span class="kw">pub enum </span>TryResult<R> {
|
||||
<a href=#4 id=4 data-nosnippet>4</a> <span class="doccomment">/// The value was present in the map, and the lock for the shard was successfully obtained.
|
||||
<a href=#5 id=5 data-nosnippet>5</a> </span>Present(R),
|
||||
<a href=#6 id=6 data-nosnippet>6</a> <span class="doccomment">/// The shard wasn't locked, and the value wasn't present in the map.
|
||||
<a href=#7 id=7 data-nosnippet>7</a> </span>Absent,
|
||||
<a href=#8 id=8 data-nosnippet>8</a> <span class="doccomment">/// The shard was locked.
|
||||
<a href=#9 id=9 data-nosnippet>9</a> </span>Locked,
|
||||
<a href=#10 id=10 data-nosnippet>10</a>}
|
||||
<a href=#11 id=11 data-nosnippet>11</a>
|
||||
<a href=#12 id=12 data-nosnippet>12</a><span class="kw">impl</span><R> TryResult<R> {
|
||||
<a href=#13 id=13 data-nosnippet>13</a> <span class="doccomment">/// Returns `true` if the value was present in the map, and the lock for the shard was successfully obtained.
|
||||
<a href=#14 id=14 data-nosnippet>14</a> </span><span class="kw">pub fn </span>is_present(<span class="kw-2">&</span><span class="self">self</span>) -> bool {
|
||||
<a href=#15 id=15 data-nosnippet>15</a> <span class="macro">matches!</span>(<span class="self">self</span>, TryResult::Present(<span class="kw">_</span>))
|
||||
<a href=#16 id=16 data-nosnippet>16</a> }
|
||||
<a href=#17 id=17 data-nosnippet>17</a>
|
||||
<a href=#18 id=18 data-nosnippet>18</a> <span class="doccomment">/// Returns `true` if the shard wasn't locked, and the value wasn't present in the map.
|
||||
<a href=#19 id=19 data-nosnippet>19</a> </span><span class="kw">pub fn </span>is_absent(<span class="kw-2">&</span><span class="self">self</span>) -> bool {
|
||||
<a href=#20 id=20 data-nosnippet>20</a> <span class="macro">matches!</span>(<span class="self">self</span>, TryResult::Absent)
|
||||
<a href=#21 id=21 data-nosnippet>21</a> }
|
||||
<a href=#22 id=22 data-nosnippet>22</a>
|
||||
<a href=#23 id=23 data-nosnippet>23</a> <span class="doccomment">/// Returns `true` if the shard was locked.
|
||||
<a href=#24 id=24 data-nosnippet>24</a> </span><span class="kw">pub fn </span>is_locked(<span class="kw-2">&</span><span class="self">self</span>) -> bool {
|
||||
<a href=#25 id=25 data-nosnippet>25</a> <span class="macro">matches!</span>(<span class="self">self</span>, TryResult::Locked)
|
||||
<a href=#26 id=26 data-nosnippet>26</a> }
|
||||
<a href=#27 id=27 data-nosnippet>27</a>
|
||||
<a href=#28 id=28 data-nosnippet>28</a> <span class="doccomment">/// If `self` is [Present](TryResult::Present), returns the reference to the value in the map.
|
||||
<a href=#29 id=29 data-nosnippet>29</a> /// Panics if `self` is not [Present](TryResult::Present).
|
||||
<a href=#30 id=30 data-nosnippet>30</a> </span><span class="kw">pub fn </span>unwrap(<span class="self">self</span>) -> R {
|
||||
<a href=#31 id=31 data-nosnippet>31</a> <span class="kw">match </span><span class="self">self </span>{
|
||||
<a href=#32 id=32 data-nosnippet>32</a> TryResult::Present(r) => r,
|
||||
<a href=#33 id=33 data-nosnippet>33</a> TryResult::Locked => <span class="macro">panic!</span>(<span class="string">"Called unwrap() on TryResult::Locked"</span>),
|
||||
<a href=#34 id=34 data-nosnippet>34</a> TryResult::Absent => <span class="macro">panic!</span>(<span class="string">"Called unwrap() on TryResult::Absent"</span>),
|
||||
<a href=#35 id=35 data-nosnippet>35</a> }
|
||||
<a href=#36 id=36 data-nosnippet>36</a> }
|
||||
<a href=#37 id=37 data-nosnippet>37</a>
|
||||
<a href=#38 id=38 data-nosnippet>38</a> <span class="doccomment">/// If `self` is [Present](TryResult::Present), returns the reference to the value in the map.
|
||||
<a href=#39 id=39 data-nosnippet>39</a> /// If `self` is not [Present](TryResult::Present), returns `None`.
|
||||
<a href=#40 id=40 data-nosnippet>40</a> </span><span class="kw">pub fn </span>try_unwrap(<span class="self">self</span>) -> <span class="prelude-ty">Option</span><R> {
|
||||
<a href=#41 id=41 data-nosnippet>41</a> <span class="kw">match </span><span class="self">self </span>{
|
||||
<a href=#42 id=42 data-nosnippet>42</a> TryResult::Present(r) => <span class="prelude-val">Some</span>(r),
|
||||
<a href=#43 id=43 data-nosnippet>43</a> <span class="kw">_ </span>=> <span class="prelude-val">None</span>,
|
||||
<a href=#44 id=44 data-nosnippet>44</a> }
|
||||
<a href=#45 id=45 data-nosnippet>45</a> }
|
||||
<a href=#46 id=46 data-nosnippet>46</a>}
|
||||
</code></pre></div></section></main></body></html>
|
||||
91
target/doc/src/dashmap/util.rs.html
Normal file
91
target/doc/src/dashmap/util.rs.html
Normal file
@@ -0,0 +1,91 @@
|
||||
<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `C:\Users\szend\.cargo\registry\src\index.crates.io-1949cf8c6b5b557f\dashmap-6.1.0\src\util.rs`."><title>util.rs - source</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-6b053e98.ttf.woff2,FiraSans-Italic-81dc35de.woff2,FiraSans-Regular-0fe48ade.woff2,FiraSans-MediumItalic-ccf7e434.woff2,FiraSans-Medium-e1aa3f0a.woff2,SourceCodePro-Regular-8badfe75.ttf.woff2,SourceCodePro-Semibold-aa29a496.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2"href="../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../static.files/normalize-9960930a.css"><link rel="stylesheet" href="../../static.files/rustdoc-ca0dd0c4.css"><meta name="rustdoc-vars" data-root-path="../../" data-static-root-path="../../static.files/" data-current-crate="dashmap" data-themes="" data-resource-suffix="" data-rustdoc-version="1.93.1 (01f6ddf75 2026-02-11)" data-channel="1.93.1" data-search-js="search-9e2438ea.js" data-stringdex-js="stringdex-a3946164.js" data-settings-js="settings-c38705f0.js" ><script src="../../static.files/storage-e2aeef58.js"></script><script defer src="../../static.files/src-script-813739b1.js"></script><script defer src="../../src-files.js"></script><script defer src="../../static.files/main-a410ff4d.js"></script><noscript><link rel="stylesheet" href="../../static.files/noscript-263c88ec.css"></noscript><link rel="alternate icon" type="image/png" href="../../static.files/favicon-32x32-eab170b8.png"><link rel="icon" type="image/svg+xml" href="../../static.files/favicon-044be391.svg"></head><body class="rustdoc src"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="src-sidebar-title"><h2>Files</h2></div></nav><div class="sidebar-resizer" title="Drag to resize sidebar"></div><main><section id="main-content" class="content"><div class="main-heading"><h1><div class="sub-heading">dashmap/</div>util.rs</h1><rustdoc-toolbar></rustdoc-toolbar></div><div class="example-wrap digits-2"><pre class="rust"><code><a href=#1 id=1 data-nosnippet>1</a><span class="doccomment">//! This module is full of hackery and dark magic.
|
||||
<a href=#2 id=2 data-nosnippet>2</a>//! Either spend a day fixing it and quietly submit a PR or don't mention it to anybody.
|
||||
<a href=#3 id=3 data-nosnippet>3</a></span><span class="kw">use </span>core::cell::UnsafeCell;
|
||||
<a href=#4 id=4 data-nosnippet>4</a><span class="kw">use </span>core::{mem, ptr};
|
||||
<a href=#5 id=5 data-nosnippet>5</a>
|
||||
<a href=#6 id=6 data-nosnippet>6</a><span class="kw">pub const fn </span>ptr_size_bits() -> usize {
|
||||
<a href=#7 id=7 data-nosnippet>7</a> mem::size_of::<usize>() * <span class="number">8
|
||||
<a href=#8 id=8 data-nosnippet>8</a></span>}
|
||||
<a href=#9 id=9 data-nosnippet>9</a>
|
||||
<a href=#10 id=10 data-nosnippet>10</a><span class="kw">pub fn </span>map_in_place_2<T, U, F: FnOnce(U, T) -> T>((k, v): (U, <span class="kw-2">&mut </span>T), f: F) {
|
||||
<a href=#11 id=11 data-nosnippet>11</a> <span class="kw">unsafe </span>{
|
||||
<a href=#12 id=12 data-nosnippet>12</a> <span class="comment">// # Safety
|
||||
<a href=#13 id=13 data-nosnippet>13</a> //
|
||||
<a href=#14 id=14 data-nosnippet>14</a> // If the closure panics, we must abort otherwise we could double drop `T`
|
||||
<a href=#15 id=15 data-nosnippet>15</a> </span><span class="kw">let </span>promote_panic_to_abort = AbortOnPanic;
|
||||
<a href=#16 id=16 data-nosnippet>16</a>
|
||||
<a href=#17 id=17 data-nosnippet>17</a> ptr::write(v, f(k, ptr::read(v)));
|
||||
<a href=#18 id=18 data-nosnippet>18</a>
|
||||
<a href=#19 id=19 data-nosnippet>19</a> <span class="comment">// If we made it here, the calling thread could have already have panicked, in which case
|
||||
<a href=#20 id=20 data-nosnippet>20</a> // We know that the closure did not panic, so don't bother checking.
|
||||
<a href=#21 id=21 data-nosnippet>21</a> </span>std::mem::forget(promote_panic_to_abort);
|
||||
<a href=#22 id=22 data-nosnippet>22</a> }
|
||||
<a href=#23 id=23 data-nosnippet>23</a>}
|
||||
<a href=#24 id=24 data-nosnippet>24</a>
|
||||
<a href=#25 id=25 data-nosnippet>25</a><span class="doccomment">/// A simple wrapper around `T`
|
||||
<a href=#26 id=26 data-nosnippet>26</a>///
|
||||
<a href=#27 id=27 data-nosnippet>27</a>/// This is to prevent UB when using `HashMap::get_key_value`, because
|
||||
<a href=#28 id=28 data-nosnippet>28</a>/// `HashMap` doesn't expose an api to get the key and value, where
|
||||
<a href=#29 id=29 data-nosnippet>29</a>/// the value is a `&mut T`.
|
||||
<a href=#30 id=30 data-nosnippet>30</a>///
|
||||
<a href=#31 id=31 data-nosnippet>31</a>/// See [#10](https://github.com/xacrimon/dashmap/issues/10) for details
|
||||
<a href=#32 id=32 data-nosnippet>32</a>///
|
||||
<a href=#33 id=33 data-nosnippet>33</a>/// This type is meant to be an implementation detail, but must be exposed due to the `Dashmap::shards`
|
||||
<a href=#34 id=34 data-nosnippet>34</a></span><span class="attr">#[repr(transparent)]
|
||||
<a href=#35 id=35 data-nosnippet>35</a></span><span class="kw">pub struct </span>SharedValue<T> {
|
||||
<a href=#36 id=36 data-nosnippet>36</a> value: UnsafeCell<T>,
|
||||
<a href=#37 id=37 data-nosnippet>37</a>}
|
||||
<a href=#38 id=38 data-nosnippet>38</a>
|
||||
<a href=#39 id=39 data-nosnippet>39</a><span class="kw">impl</span><T: Clone> Clone <span class="kw">for </span>SharedValue<T> {
|
||||
<a href=#40 id=40 data-nosnippet>40</a> <span class="kw">fn </span>clone(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="self">Self </span>{
|
||||
<a href=#41 id=41 data-nosnippet>41</a> <span class="kw">let </span>inner = <span class="self">self</span>.get().clone();
|
||||
<a href=#42 id=42 data-nosnippet>42</a>
|
||||
<a href=#43 id=43 data-nosnippet>43</a> <span class="self">Self </span>{
|
||||
<a href=#44 id=44 data-nosnippet>44</a> value: UnsafeCell::new(inner),
|
||||
<a href=#45 id=45 data-nosnippet>45</a> }
|
||||
<a href=#46 id=46 data-nosnippet>46</a> }
|
||||
<a href=#47 id=47 data-nosnippet>47</a>}
|
||||
<a href=#48 id=48 data-nosnippet>48</a>
|
||||
<a href=#49 id=49 data-nosnippet>49</a><span class="kw">unsafe impl</span><T: Send> Send <span class="kw">for </span>SharedValue<T> {}
|
||||
<a href=#50 id=50 data-nosnippet>50</a>
|
||||
<a href=#51 id=51 data-nosnippet>51</a><span class="kw">unsafe impl</span><T: Sync> Sync <span class="kw">for </span>SharedValue<T> {}
|
||||
<a href=#52 id=52 data-nosnippet>52</a>
|
||||
<a href=#53 id=53 data-nosnippet>53</a><span class="kw">impl</span><T> SharedValue<T> {
|
||||
<a href=#54 id=54 data-nosnippet>54</a> <span class="doccomment">/// Create a new `SharedValue<T>`
|
||||
<a href=#55 id=55 data-nosnippet>55</a> </span><span class="kw">pub const fn </span>new(value: T) -> <span class="self">Self </span>{
|
||||
<a href=#56 id=56 data-nosnippet>56</a> <span class="self">Self </span>{
|
||||
<a href=#57 id=57 data-nosnippet>57</a> value: UnsafeCell::new(value),
|
||||
<a href=#58 id=58 data-nosnippet>58</a> }
|
||||
<a href=#59 id=59 data-nosnippet>59</a> }
|
||||
<a href=#60 id=60 data-nosnippet>60</a>
|
||||
<a href=#61 id=61 data-nosnippet>61</a> <span class="doccomment">/// Get a shared reference to `T`
|
||||
<a href=#62 id=62 data-nosnippet>62</a> </span><span class="kw">pub fn </span>get(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw-2">&</span>T {
|
||||
<a href=#63 id=63 data-nosnippet>63</a> <span class="kw">unsafe </span>{ <span class="kw-2">&*</span><span class="self">self</span>.value.get() }
|
||||
<a href=#64 id=64 data-nosnippet>64</a> }
|
||||
<a href=#65 id=65 data-nosnippet>65</a>
|
||||
<a href=#66 id=66 data-nosnippet>66</a> <span class="doccomment">/// Get an unique reference to `T`
|
||||
<a href=#67 id=67 data-nosnippet>67</a> </span><span class="kw">pub fn </span>get_mut(<span class="kw-2">&mut </span><span class="self">self</span>) -> <span class="kw-2">&mut </span>T {
|
||||
<a href=#68 id=68 data-nosnippet>68</a> <span class="kw">unsafe </span>{ <span class="kw-2">&mut *</span><span class="self">self</span>.value.get() }
|
||||
<a href=#69 id=69 data-nosnippet>69</a> }
|
||||
<a href=#70 id=70 data-nosnippet>70</a>
|
||||
<a href=#71 id=71 data-nosnippet>71</a> <span class="doccomment">/// Unwraps the value
|
||||
<a href=#72 id=72 data-nosnippet>72</a> </span><span class="kw">pub fn </span>into_inner(<span class="self">self</span>) -> T {
|
||||
<a href=#73 id=73 data-nosnippet>73</a> <span class="self">self</span>.value.into_inner()
|
||||
<a href=#74 id=74 data-nosnippet>74</a> }
|
||||
<a href=#75 id=75 data-nosnippet>75</a>
|
||||
<a href=#76 id=76 data-nosnippet>76</a> <span class="doccomment">/// Get a mutable raw pointer to the underlying value
|
||||
<a href=#77 id=77 data-nosnippet>77</a> </span><span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn </span>as_ptr(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw-2">*mut </span>T {
|
||||
<a href=#78 id=78 data-nosnippet>78</a> <span class="self">self</span>.value.get()
|
||||
<a href=#79 id=79 data-nosnippet>79</a> }
|
||||
<a href=#80 id=80 data-nosnippet>80</a>}
|
||||
<a href=#81 id=81 data-nosnippet>81</a>
|
||||
<a href=#82 id=82 data-nosnippet>82</a><span class="kw">struct </span>AbortOnPanic;
|
||||
<a href=#83 id=83 data-nosnippet>83</a>
|
||||
<a href=#84 id=84 data-nosnippet>84</a><span class="kw">impl </span>Drop <span class="kw">for </span>AbortOnPanic {
|
||||
<a href=#85 id=85 data-nosnippet>85</a> <span class="kw">fn </span>drop(<span class="kw-2">&mut </span><span class="self">self</span>) {
|
||||
<a href=#86 id=86 data-nosnippet>86</a> <span class="kw">if </span>std::thread::panicking() {
|
||||
<a href=#87 id=87 data-nosnippet>87</a> std::process::abort()
|
||||
<a href=#88 id=88 data-nosnippet>88</a> }
|
||||
<a href=#89 id=89 data-nosnippet>89</a> }
|
||||
<a href=#90 id=90 data-nosnippet>90</a>}
|
||||
</code></pre></div></section></main></body></html>
|
||||
Reference in New Issue
Block a user