52 lines
3.0 KiB
HTML
52 lines
3.0 KiB
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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<title>std::basic_iostream<CharT,Traits>::swap</title>
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<body class="mediawiki ltr sitedir-ltr ns-0 ns-subject page-cpp_io_basic_iostream_swap 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::basic_iostream<CharT,Traits>::</span>swap</h1>
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<div id="contentSub"><span class="subpages">< <a href="cpp.html">cpp</a>‎ | <a href="cpp-io.html">io</a>‎ | <a href="cpp-io-basic_iostream.html">basic iostream</a></span></div>
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<div><span class="mw-geshi cpp source-cpp"><span class="kw1">protected</span><span class="sy4">:</span><br />
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<span class="kw4">void</span> swap<span class="br0">(</span> basic_iostream<span class="sy3">&</span> other <span class="br0">)</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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<p>与另一输入/输出流交换状态。等效地调用 <span class="t-c"><span class="mw-geshi cpp source-cpp">basic_istream<span class="sy1"><</span>CharT,Traits<span class="sy1">></span><span class="sy4">::</span><span class="me2">swap</span><span class="br0">(</span>other<span class="br0">)</span></span></span> 。</p>
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<p>此成员函数受保护：导出流类 <span class="t-lc"><a href="cpp-io-basic_stringstream.html">std::basic_stringstream</a></span> 和 <span class="t-lc"><a href="cpp-io-basic_fstream.html">std::basic_fstream</a></span> 的 swap 成员函数知晓如何正确交换关联缓冲区，并调用此函数。</p>
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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>other</td>
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<td>-</td>
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<td>要交换状态的另一流</td>
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</tr>
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</table>
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<h3><span class="mw-headline" id=".E8.BF.94.E5.9B.9E.E5.80.BC">返回值</span></h3>
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<p><span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="sy2">*</span>this</span></span></p>
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