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<h1 id="firstHeading" class="firstHeading"><span style="font-size:0.7em; line-height:130%">std::shared_future&lt;T&gt;::</span>shared_future</h1>
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<div id="contentSub"><span class="subpages">&lt; <a href="cpp.html">cpp</a>&lrm; | <a href="cpp-thread.html">thread</a>&lrm; | <a href="cpp-thread-shared_future.html">shared future</a></span></div>
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<div><span class="mw-geshi cpp source-cpp">shared_future<span class="br0">(</span><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-cxx11">(C++11 &#36215;)</span></td>
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<td rowspan="142">(2)</td>
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<div><span class="mw-geshi cpp source-cpp">shared_future<span class="br0">(</span> <span class="kw4">const</span> shared_future<span class="sy3">&amp;</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 &#36215;)</span><br />
<span class="t-mark-rev t-until-cxx17">(C++17 &#21069;)</span></td>
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<div><span class="mw-geshi cpp source-cpp">shared_future<span class="br0">(</span> <span class="kw4">const</span> shared_future<span class="sy3">&amp;</span> other <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-cxx17">(C++17 &#36215;)</span></td>
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<div><span class="mw-geshi cpp source-cpp">shared_future<span class="br0">(</span> <a href="cpp-thread-future.html"><span class="kw2180">std::<span class="me2">future</span></span></a><span class="sy1">&lt;</span>T<span class="sy1">&gt;</span><span class="sy3">&amp;&amp;</span> other <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-cxx11">(C++11 &#36215;)</span></td>
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<div><span class="mw-geshi cpp source-cpp">shared_future<span class="br0">(</span> shared_future<span class="sy3">&amp;&amp;</span> other <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-cxx11">(C++11 &#36215;)</span></td>
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<p>&#26500;&#36896;&#26032;&#30340; <code>shared_future</code> &#12290;</p>
<div class="t-li1"><span class="t-li">1)</span> &#40664;&#35748;&#26500;&#36896;&#20989;&#25968;&#12290;&#26500;&#36896;&#31354;&#30340; shared_future &#65292;&#23427;&#19981;&#25351;&#20195;&#20849;&#20139;&#29366;&#24577;&#65292;&#21363; <span class="t-c"><span class="mw-geshi cpp source-cpp">valid<span class="br0">(</span><span class="br0">)</span> <span class="sy1">==</span> <span class="kw2">false</span></span></span> &#12290;</div>
<div class="t-li1"><span class="t-li">2)</span> &#26500;&#36896;&#19982; <code>other</code> &#25351;&#20195;&#21516;&#19968;&#20849;&#20139;&#29366;&#24577;&#30340; shared_future &#65292;&#33509;&#26377;&#20849;&#20139;&#29366;&#24577;&#12290;</div>
<div class="t-li1"><span class="t-li">3-4)</span> &#36716;&#31227; <code>other</code> &#25152;&#20445;&#26377;&#30340;&#20849;&#20139;&#29366;&#24577;&#32473; <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="sy2">*</span>this</span></span> &#12290;&#26500;&#36896;&#21518;&#65292; <span class="t-c"><span class="mw-geshi cpp source-cpp">other.<span class="me1">valid</span><span class="br0">(</span><span class="br0">)</span> <span class="sy1">==</span> <span class="kw2">false</span></span></span> &#19988; <span class="t-c"><span class="mw-geshi cpp source-cpp">this<span class="sy2">-</span><span class="sy1">&gt;</span>valid<span class="br0">(</span><span class="br0">)</span></span></span> &#36820;&#22238;&#19982; <span class="t-c"><span class="mw-geshi cpp source-cpp">other.<span class="me1">valid</span><span class="br0">(</span><span class="br0">)</span></span></span> &#22312;&#26500;&#36896;&#21069;&#20250;&#36820;&#22238;&#32773;&#30456;&#21516;&#30340;&#20540;&#12290;</div>
<h3><span class="mw-headline" id=".E5.8F.82.E6.95.B0">&#21442;&#25968;</span></h3>
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<td>other</td>
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<td>&#29992;&#20197;&#21021;&#22987;&#21270;&#30340;&#21478;&#19968; future &#23545;&#35937;</td>
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