228 lines
20 KiB
HTML
228 lines
20 KiB
HTML
<!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 `/home/justine/.cargo/registry/src/github.com-1ecc6299db9ec823/clap-4.0.32/src/parser/matches/any_value.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>any_value.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" type="text/css" href="../../../../normalize.css"><link rel="stylesheet" type="text/css" href="../../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../../../ayu.css" disabled><link rel="stylesheet" type="text/css" href="../../../../dark.css" disabled><link rel="stylesheet" type="text/css" href="../../../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../../../storage.js"></script><script defer src="../../../../source-script.js"></script><script defer src="../../../../source-files.js"></script><script defer src="../../../../main.js"></script><noscript><link rel="stylesheet" href="../../../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../../../favicon.svg"></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="mobile-topbar"><button class="sidebar-menu-toggle">☰</button><a class="sidebar-logo" href="../../../../clap/index.html"><div class="logo-container"><img src="https://raw.githubusercontent.com/clap-rs/clap/master/assets/clap.png" alt="logo"></div></a><h2 class="location"></h2></nav><nav class="sidebar"><a class="sidebar-logo" href="../../../../clap/index.html"><div class="logo-container">
|
||
<img src="https://raw.githubusercontent.com/clap-rs/clap/master/assets/clap.png" alt="logo"></div></a></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../../../../clap/index.html">
|
||
<img src="https://raw.githubusercontent.com/clap-rs/clap/master/assets/clap.png" alt="logo"></a><nav class="sub"><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><button type="button">?</button></div><div id="settings-menu" tabindex="-1"><a href="../../../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../../../wheel.svg"></a></div></div></form></nav></div><section id="main-content" class="content"><div class="example-wrap"><pre class="line-numbers"><span id="1">1</span>
|
||
<span id="2">2</span>
|
||
<span id="3">3</span>
|
||
<span id="4">4</span>
|
||
<span id="5">5</span>
|
||
<span id="6">6</span>
|
||
<span id="7">7</span>
|
||
<span id="8">8</span>
|
||
<span id="9">9</span>
|
||
<span id="10">10</span>
|
||
<span id="11">11</span>
|
||
<span id="12">12</span>
|
||
<span id="13">13</span>
|
||
<span id="14">14</span>
|
||
<span id="15">15</span>
|
||
<span id="16">16</span>
|
||
<span id="17">17</span>
|
||
<span id="18">18</span>
|
||
<span id="19">19</span>
|
||
<span id="20">20</span>
|
||
<span id="21">21</span>
|
||
<span id="22">22</span>
|
||
<span id="23">23</span>
|
||
<span id="24">24</span>
|
||
<span id="25">25</span>
|
||
<span id="26">26</span>
|
||
<span id="27">27</span>
|
||
<span id="28">28</span>
|
||
<span id="29">29</span>
|
||
<span id="30">30</span>
|
||
<span id="31">31</span>
|
||
<span id="32">32</span>
|
||
<span id="33">33</span>
|
||
<span id="34">34</span>
|
||
<span id="35">35</span>
|
||
<span id="36">36</span>
|
||
<span id="37">37</span>
|
||
<span id="38">38</span>
|
||
<span id="39">39</span>
|
||
<span id="40">40</span>
|
||
<span id="41">41</span>
|
||
<span id="42">42</span>
|
||
<span id="43">43</span>
|
||
<span id="44">44</span>
|
||
<span id="45">45</span>
|
||
<span id="46">46</span>
|
||
<span id="47">47</span>
|
||
<span id="48">48</span>
|
||
<span id="49">49</span>
|
||
<span id="50">50</span>
|
||
<span id="51">51</span>
|
||
<span id="52">52</span>
|
||
<span id="53">53</span>
|
||
<span id="54">54</span>
|
||
<span id="55">55</span>
|
||
<span id="56">56</span>
|
||
<span id="57">57</span>
|
||
<span id="58">58</span>
|
||
<span id="59">59</span>
|
||
<span id="60">60</span>
|
||
<span id="61">61</span>
|
||
<span id="62">62</span>
|
||
<span id="63">63</span>
|
||
<span id="64">64</span>
|
||
<span id="65">65</span>
|
||
<span id="66">66</span>
|
||
<span id="67">67</span>
|
||
<span id="68">68</span>
|
||
<span id="69">69</span>
|
||
<span id="70">70</span>
|
||
<span id="71">71</span>
|
||
<span id="72">72</span>
|
||
<span id="73">73</span>
|
||
<span id="74">74</span>
|
||
<span id="75">75</span>
|
||
<span id="76">76</span>
|
||
<span id="77">77</span>
|
||
<span id="78">78</span>
|
||
<span id="79">79</span>
|
||
<span id="80">80</span>
|
||
<span id="81">81</span>
|
||
<span id="82">82</span>
|
||
<span id="83">83</span>
|
||
<span id="84">84</span>
|
||
<span id="85">85</span>
|
||
<span id="86">86</span>
|
||
<span id="87">87</span>
|
||
<span id="88">88</span>
|
||
<span id="89">89</span>
|
||
<span id="90">90</span>
|
||
<span id="91">91</span>
|
||
<span id="92">92</span>
|
||
<span id="93">93</span>
|
||
<span id="94">94</span>
|
||
<span id="95">95</span>
|
||
<span id="96">96</span>
|
||
<span id="97">97</span>
|
||
<span id="98">98</span>
|
||
<span id="99">99</span>
|
||
<span id="100">100</span>
|
||
<span id="101">101</span>
|
||
<span id="102">102</span>
|
||
<span id="103">103</span>
|
||
<span id="104">104</span>
|
||
<span id="105">105</span>
|
||
<span id="106">106</span>
|
||
<span id="107">107</span>
|
||
<span id="108">108</span>
|
||
<span id="109">109</span>
|
||
<span id="110">110</span>
|
||
<span id="111">111</span>
|
||
<span id="112">112</span>
|
||
</pre><pre class="rust"><code><span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Clone</span>)]</span>
|
||
<span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">struct</span> <span class="ident">AnyValue</span> {
|
||
<span class="ident">inner</span>: <span class="ident">std::sync::Arc</span><span class="op"><</span><span class="kw">dyn</span> <span class="ident">std::any::Any</span> <span class="op">+</span> <span class="ident">Send</span> <span class="op">+</span> <span class="ident">Sync</span> <span class="op">+</span> <span class="lifetime">'static</span><span class="op">></span>,
|
||
<span class="comment">// While we can extract `TypeId` from `inner`, the debug repr is of a number, so let's track</span>
|
||
<span class="comment">// the type_name in debug builds.</span>
|
||
<span class="ident">id</span>: <span class="ident">AnyValueId</span>,
|
||
}
|
||
|
||
<span class="kw">impl</span> <span class="ident">AnyValue</span> {
|
||
<span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn</span> <span class="ident">new</span><span class="op"><</span><span class="ident">V</span>: <span class="ident">std::any::Any</span> <span class="op">+</span> <span class="ident">Clone</span> <span class="op">+</span> <span class="ident">Send</span> <span class="op">+</span> <span class="ident">Sync</span> <span class="op">+</span> <span class="lifetime">'static</span><span class="op">></span>(<span class="ident">inner</span>: <span class="ident">V</span>) -> <span class="self">Self</span> {
|
||
<span class="kw">let</span> <span class="ident">id</span> <span class="op">=</span> <span class="ident">AnyValueId::of</span>::<span class="op"><</span><span class="ident">V</span><span class="op">></span>();
|
||
<span class="kw">let</span> <span class="ident">inner</span> <span class="op">=</span> <span class="ident">std::sync::Arc::new</span>(<span class="ident">inner</span>);
|
||
<span class="self">Self</span> { <span class="ident">inner</span>, <span class="ident">id</span> }
|
||
}
|
||
|
||
<span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn</span> <span class="ident">downcast_ref</span><span class="op"><</span><span class="ident">T</span>: <span class="ident">std::any::Any</span> <span class="op">+</span> <span class="ident">Clone</span> <span class="op">+</span> <span class="ident">Send</span> <span class="op">+</span> <span class="ident">Sync</span> <span class="op">+</span> <span class="lifetime">'static</span><span class="op">></span>(
|
||
<span class="kw-2">&</span><span class="self">self</span>,
|
||
) -> <span class="prelude-ty">Option</span><span class="op"><</span><span class="kw-2">&</span><span class="ident">T</span><span class="op">></span> {
|
||
<span class="self">self</span>.<span class="ident">inner</span>.<span class="ident">downcast_ref</span>::<span class="op"><</span><span class="ident">T</span><span class="op">></span>()
|
||
}
|
||
|
||
<span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn</span> <span class="ident">downcast_into</span><span class="op"><</span><span class="ident">T</span>: <span class="ident">std::any::Any</span> <span class="op">+</span> <span class="ident">Clone</span> <span class="op">+</span> <span class="ident">Send</span> <span class="op">+</span> <span class="ident">Sync</span><span class="op">></span>(<span class="self">self</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">T</span>, <span class="self">Self</span><span class="op">></span> {
|
||
<span class="kw">let</span> <span class="ident">id</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">id</span>;
|
||
<span class="kw">let</span> <span class="ident">value</span> <span class="op">=</span>
|
||
<span class="macro">ok!</span>(<span class="ident">std::sync::Arc::downcast</span>::<span class="op"><</span><span class="ident">T</span><span class="op">></span>(<span class="self">self</span>.<span class="ident">inner</span>).<span class="ident">map_err</span>(<span class="op">|</span><span class="ident">inner</span><span class="op">|</span> <span class="self">Self</span> { <span class="ident">inner</span>, <span class="ident">id</span> }));
|
||
<span class="kw">let</span> <span class="ident">value</span> <span class="op">=</span> <span class="ident">std::sync::Arc::try_unwrap</span>(<span class="ident">value</span>).<span class="ident">unwrap_or_else</span>(<span class="op">|</span><span class="ident">arc</span><span class="op">|</span> (<span class="kw-2">*</span><span class="ident">arc</span>).<span class="ident">clone</span>());
|
||
<span class="prelude-val">Ok</span>(<span class="ident">value</span>)
|
||
}
|
||
|
||
<span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn</span> <span class="ident">type_id</span>(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="ident">AnyValueId</span> {
|
||
<span class="self">self</span>.<span class="ident">id</span>
|
||
}
|
||
}
|
||
|
||
<span class="kw">impl</span> <span class="ident">std::fmt::Debug</span> <span class="kw">for</span> <span class="ident">AnyValue</span> {
|
||
<span class="kw">fn</span> <span class="ident">fmt</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">f</span>: <span class="kw-2">&mut</span> <span class="ident">std::fmt::Formatter</span><span class="op"><</span><span class="lifetime">'_</span><span class="op">></span>) -> <span class="prelude-ty">Result</span><span class="op"><</span>(), <span class="ident">std::fmt::Error</span><span class="op">></span> {
|
||
<span class="ident">f</span>.<span class="ident">debug_struct</span>(<span class="string">"AnyValue"</span>).<span class="ident">field</span>(<span class="string">"inner"</span>, <span class="kw-2">&</span><span class="self">self</span>.<span class="ident">id</span>).<span class="ident">finish</span>()
|
||
}
|
||
}
|
||
|
||
<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Copy</span>, <span class="ident">Clone</span>)]</span>
|
||
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">AnyValueId</span> {
|
||
<span class="ident">type_id</span>: <span class="ident">std::any::TypeId</span>,
|
||
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">debug_assertions</span>)]</span>
|
||
<span class="ident">type_name</span>: <span class="kw-2">&</span><span class="lifetime">'static</span> <span class="ident">str</span>,
|
||
}
|
||
|
||
<span class="kw">impl</span> <span class="ident">AnyValueId</span> {
|
||
<span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn</span> <span class="ident">of</span><span class="op"><</span><span class="ident">A</span>: <span class="question-mark">?</span><span class="ident">Sized</span> <span class="op">+</span> <span class="lifetime">'static</span><span class="op">></span>() -> <span class="self">Self</span> {
|
||
<span class="self">Self</span> {
|
||
<span class="ident">type_id</span>: <span class="ident">std::any::TypeId::of</span>::<span class="op"><</span><span class="ident">A</span><span class="op">></span>(),
|
||
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">debug_assertions</span>)]</span>
|
||
<span class="ident">type_name</span>: <span class="ident">std::any::type_name</span>::<span class="op"><</span><span class="ident">A</span><span class="op">></span>(),
|
||
}
|
||
}
|
||
}
|
||
|
||
<span class="kw">impl</span> <span class="ident">PartialEq</span> <span class="kw">for</span> <span class="ident">AnyValueId</span> {
|
||
<span class="kw">fn</span> <span class="ident">eq</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">other</span>: <span class="kw-2">&</span><span class="self">Self</span>) -> <span class="ident">bool</span> {
|
||
<span class="self">self</span>.<span class="ident">type_id</span> <span class="op">==</span> <span class="ident">other</span>.<span class="ident">type_id</span>
|
||
}
|
||
}
|
||
|
||
<span class="kw">impl</span> <span class="ident">Eq</span> <span class="kw">for</span> <span class="ident">AnyValueId</span> {}
|
||
|
||
<span class="kw">impl</span> <span class="ident">PartialOrd</span> <span class="kw">for</span> <span class="ident">AnyValueId</span> {
|
||
<span class="kw">fn</span> <span class="ident">partial_cmp</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">other</span>: <span class="kw-2">&</span><span class="self">Self</span>) -> <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">std::cmp::Ordering</span><span class="op">></span> {
|
||
<span class="self">self</span>.<span class="ident">type_id</span>.<span class="ident">partial_cmp</span>(<span class="kw-2">&</span><span class="ident">other</span>.<span class="ident">type_id</span>)
|
||
}
|
||
}
|
||
|
||
<span class="kw">impl</span> <span class="ident">Ord</span> <span class="kw">for</span> <span class="ident">AnyValueId</span> {
|
||
<span class="kw">fn</span> <span class="ident">cmp</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">other</span>: <span class="kw-2">&</span><span class="self">Self</span>) -> <span class="ident">std::cmp::Ordering</span> {
|
||
<span class="self">self</span>.<span class="ident">type_id</span>.<span class="ident">cmp</span>(<span class="kw-2">&</span><span class="ident">other</span>.<span class="ident">type_id</span>)
|
||
}
|
||
}
|
||
|
||
<span class="kw">impl</span> <span class="ident">std::hash::Hash</span> <span class="kw">for</span> <span class="ident">AnyValueId</span> {
|
||
<span class="kw">fn</span> <span class="ident">hash</span><span class="op"><</span><span class="ident">H</span>: <span class="ident">std::hash::Hasher</span><span class="op">></span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">state</span>: <span class="kw-2">&mut</span> <span class="ident">H</span>) {
|
||
<span class="self">self</span>.<span class="ident">type_id</span>.<span class="ident">hash</span>(<span class="ident">state</span>);
|
||
}
|
||
}
|
||
|
||
<span class="kw">impl</span> <span class="ident">std::fmt::Debug</span> <span class="kw">for</span> <span class="ident">AnyValueId</span> {
|
||
<span class="kw">fn</span> <span class="ident">fmt</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">f</span>: <span class="kw-2">&mut</span> <span class="ident">std::fmt::Formatter</span><span class="op"><</span><span class="lifetime">'_</span><span class="op">></span>) -> <span class="prelude-ty">Result</span><span class="op"><</span>(), <span class="ident">std::fmt::Error</span><span class="op">></span> {
|
||
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">not</span>(<span class="ident">debug_assertions</span>))]</span>
|
||
{
|
||
<span class="self">self</span>.<span class="ident">type_id</span>.<span class="ident">fmt</span>(<span class="ident">f</span>)
|
||
}
|
||
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">debug_assertions</span>)]</span>
|
||
{
|
||
<span class="ident">f</span>.<span class="ident">debug_struct</span>(<span class="self">self</span>.<span class="ident">type_name</span>).<span class="ident">finish</span>()
|
||
}
|
||
}
|
||
}
|
||
|
||
<span class="kw">impl</span><span class="op"><</span><span class="lifetime">'a</span>, <span class="ident">A</span>: <span class="question-mark">?</span><span class="ident">Sized</span> <span class="op">+</span> <span class="lifetime">'static</span><span class="op">></span> <span class="ident">From</span><span class="op"><</span><span class="kw-2">&</span><span class="lifetime">'a</span> <span class="ident">A</span><span class="op">></span> <span class="kw">for</span> <span class="ident">AnyValueId</span> {
|
||
<span class="kw">fn</span> <span class="ident">from</span>(<span class="kw">_</span>: <span class="kw-2">&</span><span class="lifetime">'a</span> <span class="ident">A</span>) -> <span class="self">Self</span> {
|
||
<span class="ident"><span class="self">Self</span>::of</span>::<span class="op"><</span><span class="ident">A</span><span class="op">></span>()
|
||
}
|
||
}
|
||
|
||
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">test</span>)]</span>
|
||
<span class="kw">mod</span> <span class="ident">test</span> {
|
||
<span class="attribute">#[<span class="ident">test</span>]</span>
|
||
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">debug_assertions</span>)]</span>
|
||
<span class="kw">fn</span> <span class="ident">debug_impl</span>() {
|
||
<span class="kw">use</span> <span class="kw">super</span>::<span class="kw-2">*</span>;
|
||
|
||
<span class="macro">assert_eq!</span>(<span class="macro">format!</span>(<span class="string">"{:?}"</span>, <span class="ident">AnyValue::new</span>(<span class="number">5</span>)), <span class="string">"AnyValue { inner: i32 }"</span>);
|
||
}
|
||
}
|
||
</code></pre></div>
|
||
</section></div></main><div id="rustdoc-vars" data-root-path="../../../../" data-current-crate="clap" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.64.0 (a55dd71d5 2022-09-19)" ></div></body></html> |