47 lines
2.2 KiB
HTML
47 lines
2.2 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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<title>std::hash<std::error_code></title>
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<body class="mediawiki ltr sitedir-ltr ns-0 ns-subject page-cpp_error_error_code_hash skin-cppreference2 action-view cpp-navbar">
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<h1 id="firstHeading" class="firstHeading"><span style="font-size:0.7em; line-height:130%">std::</span>hash<span style="font-size:0.7em; line-height:130%"><std::error_code></span></h1>
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<div id="contentSub"><span class="subpages">< <a href="cpp.html">cpp</a>‎ | <a href="cpp-error.html">error</a>‎ | <a href="cpp-error-error_code.html">error code</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-system_error.html"><system_error></a></code></div>
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<tr class="t-dcl t-since-cxx11">
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<div><span class="mw-geshi cpp source-cpp"><span class="kw1">template</span><span class="sy1"><></span> <span class="kw1">struct</span> hash<span class="sy1"><</span>error_code<span class="sy1">></span><span class="sy4">;</span></span></div>
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<td><span class="t-mark-rev t-since-cxx11">(C++11 起)</span></td>
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<td></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"><a href="cpp-error-error_code.html">std::error_code</a></span> 的模板特化允许用户获得 <span class="t-lc"><a href="cpp-error-error_code.html">std::error_code</a></span> 类型对象的哈希。</p>
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