59 lines
3.3 KiB
HTML
59 lines
3.3 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::coroutine_handle<Promise>::address</title>
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<body class="mediawiki ltr sitedir-ltr ns-0 ns-subject page-cpp_coroutine_coroutine_handle_address 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::coroutine_handle<Promise>::</span>address</h1>
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<div id="contentSub"><span class="subpages">< <a href="cpp.html">cpp</a>‎ | <a href="cpp-coroutine.html">coroutine</a>‎ | <a href="cpp-coroutine-coroutine_handle.html">coroutine handle</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><span class="sy2">*</span> address<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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<td><span class="t-mark-rev t-since-cxx20">(C++20 起)</span></td>
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<p>返回 <code>coroutine_handle</code> 的底层地址。返回值为非空当且仅当 <code>coroutine_handle</code> 的当前值从协程的承诺对象获得。</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=".E8.BF.94.E5.9B.9E.E5.80.BC">返回值</span></h3>
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<p>底层地址。</p>
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<h3><span class="mw-headline" id=".E6.B3.A8.E8.A7.A3">注解</span></h3>
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<p>返回值对特化 <span class="t-lc">std::noop_coroutine_handle</span> 始终为非空，因为不能创建 <code>std::noop_coroutine_handle</code> 而不使它指代无操作协程。</p>
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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><a href="cpp-coroutine-coroutine_handle-from_address.html"><span class="t-lines"><span>from_address</span></span></a></div>
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<div><span class="t-lines"><span><span class="t-cmark">[静态]</span> <span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div>
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<td>从指针导入协程<br />
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<span class="t-mark">(公开静态成员函数)</span></td>
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