68 lines
3.1 KiB
HTML
68 lines
3.1 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::experimental::observer_ptr<W>::reset</title>
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<body class="mediawiki ltr sitedir-ltr ns-0 ns-subject page-cpp_experimental_observer_ptr_reset 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::experimental::observer_ptr<W>::</span>reset</h1>
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<div id="contentSub"><span class="subpages">< <a href="cpp.html">cpp</a>‎ | <a href="cpp-experimental.html">experimental</a>‎ | <a href="cpp-experimental-observer_ptr.html">observer ptr</a></span></div>
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<div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">void</span> reset<span class="br0">(</span>element_type<span class="sy2">*</span> p <span class="sy1">=</span> nullptr<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span></span></div>
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<td><span class="t-mark-rev t-since-libfund-ts-2 t-mark-ts">(库基础 TS v2)</span></td>
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<p>设置 <code>*this</code> 查看 <code>p</code> 所指向的对象。调用后 <span class="t-lc">get()</span> 返回 <code>p</code> 。</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>ptr</td>
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<td>-</td>
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<td>指向要查看的新对象的指针</td>
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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-experimental-observer_ptr-release.html"><span class="t-lines"><span>release</span></span></a></div>
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</div>
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</td>
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<td>返回指向被查看对象的指针并停止查看对象<br />
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<span class="t-mark">(公开成员函数)</span></td>
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