70 lines
3.4 KiB
HTML
70 lines
3.4 KiB
HTML
<!DOCTYPE html>
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<html lang="zh" dir="ltr" class="client-nojs" xmlns="http://www.w3.org/1999/xhtml" xml:lang="zh">
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<head><meta http-equiv="x-ua-compatible" content="ie=edge">
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<title>std::hash(std::coroutine_handle)</title>
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<link rel="stylesheet" href="ext.css" />
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<link rel="stylesheet" href="site_modules.css" />
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<body class="mediawiki ltr sitedir-ltr ns-0 ns-subject page-cpp_coroutine_coroutine_handle_hash skin-cppreference2 action-view cpp-navbar">
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<div id="cpp-content-base">
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<div id="content"><a id="top"></a>
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<h1 id="firstHeading" class="firstHeading"><span style="font-size:0.7em; line-height:130%">std::</span>hash<small>(std::coroutine_handle)</small></h1>
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<div id="bodyContent">
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<div id="contentSub"><span class="subpages">< <a href="cpp.html">cpp</a>‎ | <a href="cpp-coroutine.html">coroutine</a>‎ | <a href="cpp-coroutine-coroutine_handle.html">coroutine handle</a></span></div>
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<div id="mw-content-text" lang="zh" dir="ltr" class="mw-content-ltr" xml:lang="zh">
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<div>定义于头文件 <code><a href="cpp-header-coroutine.html"><coroutine></a></code></div>
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<td></td>
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<tr class="t-dcl t-since-cxx20">
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<div><span class="mw-geshi cpp source-cpp"><span class="kw1">template</span><span class="sy1"><</span> <span class="kw1">class</span> Promise <span class="sy1">></span><br />
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<span class="kw1">struct</span> hash<span class="sy1"><</span>std<span class="sy4">::</span><span class="me2">coroutine_handle</span><span class="sy1"><</span>Promise<span class="sy1">>></span><span class="sy4">;</span></span></div>
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<td><span class="t-mark-rev t-since-cxx20">(C++20 起)</span></td>
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<p><span class="t-lc"><a href="cpp-utility-hash.html">std::hash</a></span> 对 <span class="t-lc">std::coroutine_handle</span> 的模板特化允许用户获得 <span class="t-c"><span class="mw-geshi cpp source-cpp">std<span class="sy4">::</span><span class="me2">coroutine_handle</span><span class="sy1"><</span>P<span class="sy1">></span></span></span> 对象的散列值。</p>
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<p>特化的 <code>operator()</code> 为 noexcept 。</p>
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<h3><span class="mw-headline" id=".E7.A4.BA.E4.BE.8B">示例</span></h3>
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<td class="mbox-text" style="">本节未完成<br />
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原因：暂无示例</td>
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<h3><span class="mw-headline" id=".E5.8F.82.E9.98.85">参阅</span></h3>
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<div class="t-dsc-member-div">
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<div><a href="cpp-utility-hash.html"><span class="t-lines"><span>hash</span></span></a></div>
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<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div>
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</div>
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</td>
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<td>散列函数对象<br />
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<span class="t-mark">(类模板)</span></td>
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