88 lines
5.3 KiB
HTML
88 lines
5.3 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_osyncstream<CharT,Traits,Allocator>::get_wrapped</title>
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<body class="mediawiki ltr sitedir-ltr ns-0 ns-subject page-cpp_io_basic_osyncstream_get_wrapped 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_osyncstream<CharT,Traits,Allocator>::</span>get_wrapped</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_osyncstream.html">basic osyncstream</a></span></div>
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<div><span class="mw-geshi cpp source-cpp">streambuf_type<span class="sy2">*</span> get_wrapped<span class="br0">(</span><span class="br0">)</span> <span class="kw4">const</span> <span class="kw1">noexcept</span><span class="sy4">;</span></span></div>
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<p>返回指向被包装的 <span class="t-lc"><a href="cpp-io-basic_streambuf.html">std::basic_streambuf</a></span> 的指针，通过在底层 <span class="t-lc">std::basic_syncbuf</span> 上调用 <a href="cpp-io-basic_syncbuf-get_wrapped.html"><tt>get_wrapped()</tt></a> 获得。</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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<p>（无）</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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<p>能安全地在不同的同步输出流中再次包装被包装缓冲</p>
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<div dir="ltr" class="mw-geshi" style="text-align: left;">
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<div class="cpp source-cpp">
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<pre class="de1"><span class="co2">#include <syncstream></span>
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<span class="co2">#include <iostream></span>
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<span class="kw4">int</span> main<span class="br0">(</span><span class="br0">)</span>
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<span class="br0">{</span>
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std<span class="sy4">::</span><span class="me2">osyncstream</span> bout1<span class="br0">(</span><a href="cpp-io-cout.html"><span class="kw1758">std::<span class="me2">cout</span></span></a><span class="br0">)</span><span class="sy4">;</span>
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bout1 <span class="sy1"><<</span> <span class="st0">"Hello, "</span><span class="sy4">;</span>
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<span class="br0">{</span>
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std<span class="sy4">::</span><span class="me2">osyncstream</span><span class="br0">(</span>bout1.<span class="me1">get_wrapped</span><span class="br0">(</span><span class="br0">)</span><span class="br0">)</span> <span class="sy1"><<</span> <span class="st0">"Goodbye, "</span> <span class="sy1"><<</span> <span class="st0">"Planet!"</span> <span class="sy1"><<</span> <span class="st0">'<span class="es1">\n</span>'</span><span class="sy4">;</span>
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<span class="br0">}</span> <span class="co1">// 发射临时缓冲的内容</span>
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bout1 <span class="sy1"><<</span> <span class="st0">"World!"</span> <span class="sy1"><<</span> <span class="st0">'<span class="es1">\n</span>'</span><span class="sy4">;</span>
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<span class="br0">}</span> <span class="co1">// 发射 bout1 的内容</span></pre></div>
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<p>输出：</p>
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<div dir="ltr" class="mw-geshi" style="text-align: left;">
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<div class="text source-text">
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<pre class="de1">Goodbye, Planet!
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Hello, World!</pre></div>
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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 t-dsc-member-nobold-div">
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<div><a href="cpp-io-basic_osyncstream-~basic_osyncstream.html"><span class="t-lines"><span>(析构函数)</span></span></a></div>
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</div>
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</td>
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<td>销毁 basic_osyncstream 并发射其内部缓冲区<br />
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<span class="t-mark">(公开成员函数)</span></td>
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<div class="t-dsc-member-div">
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<div><a href="cpp-io-basic_syncbuf-get_wrapped.html"><span class="t-lines"><span>get_wrapped</span></span></a></div>
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</div>
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</td>
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<td>获得被包装的 streambuf 指针<br />
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<span class="t-mark">(<code>std::basic_syncbuf<CharT,Traits,Allocator></code> 的公开成员函数)</span></td>
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