71 lines
4.1 KiB
HTML
71 lines
4.1 KiB
HTML
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<title>std::ostreambuf_iterator<CharT,Traits>::operator=</title>
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<body class="mediawiki ltr sitedir-ltr ns-0 ns-subject page-cpp_iterator_ostreambuf_iterator_operator 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::ostreambuf_iterator<CharT,Traits>::</span>operator=</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-iterator.html">iterator</a>‎ | <a href="cpp-iterator-ostreambuf_iterator.html">ostreambuf iterator</a></span></div>
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<div><span class="mw-geshi cpp source-cpp">ostreambuf_iterator<span class="sy3">&</span> operator<span class="sy1">=</span><span class="br0">(</span> CharT c <span class="br0">)</span><span class="sy4">;</span></span></div>
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<td></td>
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<td></td>
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<td></td>
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<p>若 <span class="t-lc">failed()</span> 返回 <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw2">false</span></span></span> ，则用 <span class="t-c"><span class="mw-geshi cpp source-cpp">pbuf<span class="sy2">-</span><span class="sy1">></span>sputc<span class="br0">(</span>c<span class="br0">)</span></span></span> 插入 <code>c</code> 到关联的输出流缓冲，其中 <code>pbuf</code> 是 <code>streambuf_type*</code> 类型的私有成员。否则，不做任何事。</p>
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<p>若调用 <span class="t-c"><span class="mw-geshi cpp source-cpp">pbuf<span class="sy2">-</span><span class="sy1">></span>sputc<span class="br0">(</span>c<span class="br0">)</span></span></span> 返回 <span class="t-c"><span class="mw-geshi cpp source-cpp">Traits<span class="sy4">::</span><span class="me2">eof</span></span></span> ，则设置 failed() 标志为 true 。</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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<td>c</td>
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<td>-</td>
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<td>要插入的字符</td>
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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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<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-io-basic_streambuf-sputc.html"><span class="t-lines"><span>sputc</span></span></a></div>
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</div>
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</td>
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<td>写一个字符到放置区域，并令 next 指针前进<br />
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<span class="t-mark">(<code>std::basic_streambuf<CharT,Traits></code> 的公开成员函数)</span></td>
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