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<h1 id="firstHeading" class="firstHeading"><span style="font-size:0.7em; line-height:130%">std::experimental::</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-experimental.html">experimental</a></span></div>
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<div>&#23450;&#20041;&#20110;&#22836;&#25991;&#20214; <code><a href="https://zh.cppreference.com/mwiki/index.php?title=cpp/header/experimental/shared_future&amp;action=edit&amp;redlink=1" class="new" title="cpp/header/experimental/shared future&#65288;&#39029;&#38754;&#19981;&#23384;&#22312;&#65289;">&lt;experimental/shared_future&gt;</a></code></div>
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<div><span class="mw-geshi cpp source-cpp"><span class="kw1">template</span><span class="sy1">&lt;</span> <span class="kw1">class</span> T <span class="sy1">&gt;</span> <span class="kw1">class</span> shared_future<span class="sy4">;</span></span></div>
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<td>(1)</td>
<td><span class="t-mark-rev t-since-concurrency-ts t-mark-ts">(&#24182;&#21457; TS)</span></td>
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<div><span class="mw-geshi cpp source-cpp"><span class="kw1">template</span><span class="sy1">&lt;</span> <span class="kw1">class</span> T <span class="sy1">&gt;</span> <span class="kw1">class</span> shared_future<span class="sy1">&lt;</span>T<span class="sy3">&amp;</span><span class="sy1">&gt;</span><span class="sy4">;</span></span></div>
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<td>(2)</td>
<td><span class="t-mark-rev t-since-concurrency-ts t-mark-ts">(&#24182;&#21457; TS)</span></td>
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<div><span class="mw-geshi cpp source-cpp"><span class="kw1">template</span><span class="sy1">&lt;&gt;</span> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<span class="kw1">class</span> shared_future<span class="sy1">&lt;</span><span class="kw4">void</span><span class="sy1">&gt;</span><span class="sy4">;</span></span></div>
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<td>(3)</td>
<td><span class="t-mark-rev t-since-concurrency-ts t-mark-ts">(&#24182;&#21457; TS)</span></td>
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<p>&#31867;&#27169;&#26495; <code>std::experimental::shared_future</code> &#20197;&#19979;&#21015;&#25805;&#20316;&#25193;&#23637; <span class="t-lc"><a href="cpp-thread-shared_future.html">std::shared_future</a></span> &#65306;</p>
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<li>&#20174; <code>future&lt;shared_future&lt;T&gt;&gt;</code> &#26500;&#36896;&#30340;<i>&#35299;&#21253;&#35013;&#26500;&#36896;&#20989;&#25968;</i>&#65307;</li>
<li>&#26597;&#35810;&#20849;&#20139;&#29366;&#24577;&#26159;&#21542;&#23601;&#32490;&#30340;&#25104;&#21592;&#20989;&#25968; <code>is_ready</code> &#65307;&#20197;&#21450;</li>
<li>&#38468;&#30528;&#25345;&#32493;&#21040; future &#30340;&#25104;&#21592;&#20989;&#25968; <code>then</code> &#12290;</li>
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<p><code>std::experimental::shared_future</code> &#19982; <span class="t-lc"><a href="cpp-thread-shared_future.html">std::shared_future</a></span> &#38388;&#26080;&#20132;&#20114;&#12290;</p>
<h3><span class="mw-headline" id=".E6.88.90.E5.91.98.E5.87.BD.E6.95.B0">&#25104;&#21592;&#20989;&#25968;</span></h3>
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<div><a href="cpp-experimental-shared_future-shared_future.html"><span class="t-lines"><span>(&#26500;&#36896;&#20989;&#25968;)</span></span></a></div>
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<td>&#26500;&#36896; <code>shared_future</code><br />
<span class="t-mark">(&#20844;&#24320;&#25104;&#21592;&#20989;&#25968;)</span></td>
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<div><a href="cpp-experimental-shared_future-is_ready.html"><span class="t-lines"><span>is_ready</span></span></a></div>
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<td>&#26816;&#26597;&#20849;&#20139;&#29366;&#24577;&#26159;&#21542;&#23601;&#32490;<br />
<span class="t-mark">(&#20844;&#24320;&#25104;&#21592;&#20989;&#25968;)</span></td>
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<div><a href="cpp-experimental-shared_future-then.html"><span class="t-lines"><span>then</span></span></a></div>
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<td>&#38468;&#30528;&#25345;&#32493;&#21040; <code>shared_future</code><br />
<span class="t-mark">(&#20844;&#24320;&#25104;&#21592;&#20989;&#25968;)</span></td>
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<div><a href="cpp-experimental-shared_future-operator=.html"><span class="t-lines"><span>operator=</span></span></a></div>
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<td>&#36171;&#20540;&#20869;&#23481;<br />
<span class="t-mark">(&#20844;&#24320;&#25104;&#21592;&#20989;&#25968;)</span></td>
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<h2><span class="mw-headline" id=".E7.AD.89.E5.90.8C.E4.BA.8E_std::shared_future_.E7.9A.84.E6.88.90.E5.91.98">&#31561;&#21516;&#20110; std::shared_future &#30340;&#25104;&#21592;</span></h2>
<h3><span class="mw-headline" id=".E6.88.90.E5.91.98.E5.87.BD.E6.95.B0_2">&#25104;&#21592;&#20989;&#25968;</span></h3>
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<div><a href="cpp-thread-shared_future-~shared_future.html"><span class="t-lines"><span>(&#26512;&#26500;&#20989;&#25968;)</span></span></a></div>
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<td>destructs the future object<br />
<span class="t-mark">(<code>std::shared_future&lt;T&gt;</code> &#30340;&#20844;&#24320;&#25104;&#21592;&#20989;&#25968;)</span></td>
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<h5><span class="mw-headline" id=".E8.8E.B7.E5.8F.96.E7.BB.93.E6.9E.9C">&#33719;&#21462;&#32467;&#26524;</span></h5>
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<div><a href="cpp-thread-shared_future-get.html"><span class="t-lines"><span>get</span></span></a></div>
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<td>&#36820;&#22238;&#32467;&#26524;<br />
<span class="t-mark">(<code>std::shared_future&lt;T&gt;</code> &#30340;&#20844;&#24320;&#25104;&#21592;&#20989;&#25968;)</span></td>
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<h5><span class="mw-headline" id=".E7.8A.B6.E6.80.81">&#29366;&#24577;</span></h5>
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<div><a href="cpp-thread-shared_future-valid.html"><span class="t-lines"><span>valid</span></span></a></div>
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<td>&#26816;&#26597; future &#26159;&#21542;&#25317;&#26377;&#20849;&#20139;&#29366;&#24577;<br />
<span class="t-mark">(<code>std::shared_future&lt;T&gt;</code> &#30340;&#20844;&#24320;&#25104;&#21592;&#20989;&#25968;)</span></td>
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<div><a href="cpp-thread-shared_future-wait.html"><span class="t-lines"><span>wait</span></span></a></div>
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<td>&#31561;&#24453;&#32467;&#26524;&#21464;&#24471;&#21487;&#29992;<br />
<span class="t-mark">(<code>std::shared_future&lt;T&gt;</code> &#30340;&#20844;&#24320;&#25104;&#21592;&#20989;&#25968;)</span></td>
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<div><a href="cpp-thread-shared_future-wait_for.html"><span class="t-lines"><span>wait_for</span></span></a></div>
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<td>&#31561;&#24453;&#32467;&#26524;&#65292;&#22914;&#26524;&#22312;&#25351;&#23450;&#30340;&#36229;&#26102;&#38388;&#38548;&#21518;&#20173;&#28982;&#26080;&#27861;&#24471;&#21040;&#32467;&#26524;&#65292;&#21017;&#36820;&#22238;&#12290;<br />
<span class="t-mark">(<code>std::shared_future&lt;T&gt;</code> &#30340;&#20844;&#24320;&#25104;&#21592;&#20989;&#25968;)</span></td>
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<div><a href="cpp-thread-shared_future-wait_until.html"><span class="t-lines"><span>wait_until</span></span></a></div>
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<td>&#31561;&#24453;&#32467;&#26524;&#65292;&#22914;&#26524;&#22312;&#24050;&#32463;&#21040;&#36798;&#25351;&#23450;&#30340;&#26102;&#38388;&#28857;&#26102;&#20173;&#28982;&#26080;&#27861;&#24471;&#21040;&#32467;&#26524;&#65292;&#21017;&#36820;&#22238;&#12290;<br />
<span class="t-mark">(<code>std::shared_future&lt;T&gt;</code> &#30340;&#20844;&#24320;&#25104;&#21592;&#20989;&#25968;)</span></td>
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<h3><span class="mw-headline" id=".E7.A4.BA.E4.BE.8B">&#31034;&#20363;</span></h3>
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<h3><span class="mw-headline" id=".E5.8F.82.E9.98.85">&#21442;&#38405;</span></h3>
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<div><a href="cpp-experimental-future.html"><span class="t-lines"><span>future</span></span></a></div>
<div><span class="t-lines"><span><span class="t-mark-rev t-since-concurrency-ts t-mark-ts">(&#24182;&#21457; TS)</span></span></span></div>
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<td>&#20197;&#25345;&#32493;&#21644;&#20854;&#20182;&#29305;&#24615;&#22686;&#24378;&#30340; <span class="t-lc"><a href="cpp-thread-future.html">std::future</a></span> &#29256;&#26412;<br />
<span class="t-mark">(&#31867;&#27169;&#26495;)</span></td>
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