103 lines
6.1 KiB
HTML
103 lines
6.1 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::match_results<BidirIt,Alloc>::match_results</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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</head>
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<body class="mediawiki ltr sitedir-ltr ns-0 ns-subject page-cpp_regex_match_results_match_results 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::match_results<BidirIt,Alloc>::</span>match_results</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-regex.html">regex</a>‎ | <a href="cpp-regex-match_results.html">match results</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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<table class="t-dcl-begin">
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<tbody>
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<tr class="t-dcl t-since-cxx11">
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<td>
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<div><span class="mw-geshi cpp source-cpp">match_results<span class="br0">(</span><span class="br0">)</span> <span class="sy4">:</span> match_results<span class="br0">(</span>Allocator<span class="br0">(</span><span class="br0">)</span><span class="br0">)</span> <span class="br0">{</span> <span class="br0">}</span></span></div>
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</td>
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<td>(1)</td>
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<td><span class="t-mark-rev t-since-cxx11">(C++11 起)</span></td>
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</tr>
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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">explicit</span> match_results<span class="br0">(</span> <span class="kw4">const</span> Allocator<span class="sy3">&</span> a <span class="br0">)</span><span class="sy4">;</span></span></div>
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</td>
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<td>(2)</td>
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<td><span class="t-mark-rev t-since-cxx11">(C++11 起)</span></td>
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</tr>
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<tr class="t-dcl t-since-cxx11">
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<div><span class="mw-geshi cpp source-cpp">match_results<span class="br0">(</span> <span class="kw4">const</span> match_results<span class="sy3">&</span> rhs <span class="br0">)</span><span class="sy4">;</span></span></div>
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</td>
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<td>(3)</td>
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<td><span class="t-mark-rev t-since-cxx11">(C++11 起)</span></td>
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</tr>
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<tr class="t-dcl t-since-cxx11">
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<td>
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<div><span class="mw-geshi cpp source-cpp">match_results<span class="br0">(</span> match_results<span class="sy3">&&</span> rhs <span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span></span></div>
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</td>
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<td>(4)</td>
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<td><span class="t-mark-rev t-since-cxx11">(C++11 起)</span></td>
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</tr>
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<tr class="t-dcl-sep">
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<td></td>
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<td></td>
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<td></td>
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</tr>
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</tbody>
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</table>
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<div class="t-li1"><span class="t-li">1)</span> 默认构造函数。构造未建立结果状态（ <span class="t-c"><span class="mw-geshi cpp source-cpp">ready<span class="br0">(</span><span class="br0">)</span> <span class="sy3">!</span><span class="sy1">=</span> <span class="kw2">true</span></span></span> ）的 match_result 。</div>
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<div class="t-li1"><span class="t-li">2)</span> 以 <code>a</code> 的副本分配器，构造未建立结果状态（ <span class="t-c"><span class="mw-geshi cpp source-cpp">ready<span class="br0">(</span><span class="br0">)</span> <span class="sy3">!</span><span class="sy1">=</span> <span class="kw2">true</span></span></span> ）的 match_result 。</div>
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<div class="t-li1"><span class="t-li">3)</span> 复制构造函数。以 <code>rhs</code> 的副本构造 match_result 。</div>
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<div class="t-li1"><span class="t-li">4)</span> 移动构造函数。用移动语义构造拥有 <code>rhs</code> 内容的 match_result 。调用后， <code>rhs</code> 在合法但未指定的状态。</div>
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<h3><span class="mw-headline" id=".E5.8F.82.E6.95.B0">参数</span></h3>
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<table class="t-par-begin">
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<tr class="t-par">
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<td>a</td>
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<td>-</td>
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<td>用于此容器所有内存分配的分配器</td>
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</tr>
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<tr class="t-par">
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<td>rhs</td>
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<td>-</td>
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<td>用作源以初始化 match_result 的另一 match_result</td>
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</tr>
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</table>
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<h3><span class="mw-headline" id=".E5.BC.82.E5.B8.B8">异常</span></h3>
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<div class="t-li1"><span class="t-li">1-2)</span> 可能抛出实现定义的异常。</div>
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<h3><span class="mw-headline" id=".E7.A4.BA.E4.BE.8B">示例</span></h3>
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<table class="metadata plainlinks ambox mbox-small-left ambox-notice" style="">
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<tr>
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<td class="mbox-empty-cell"></td>
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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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</tr>
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</table>
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<h3><span class="mw-headline" id=".E7.BC.BA.E9.99.B7.E6.8A.A5.E5.91.8A">缺陷报告</span></h3>
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<p>下列更改行为的缺陷报告追溯地应用于以前出版的 C++ 标准。</p>
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<table class="dsctable" style="font-size:0.8em">
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<tr>
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<th>DR</th>
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<th>应用于</th>
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<th>出版时的行为</th>
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<th>正确行为</th>
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</tr>
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<tr>
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<td><a rel="nofollow" class="external text" href="https://wg21.link/P0935R0">P0935R0</a></td>
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<td>C++11</td>
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<td>默认构造函数曾为 explicit</td>
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<td>使之为隐式</td>
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</tr>
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</table>
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</div>
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<div class="visualClear"></div>
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</div>
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</div>
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</div>
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</body>
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</html>
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