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<title>std::experimental::packaged_task (&#24211;&#22522;&#30784; TS)</title>
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<h1 id="firstHeading" class="firstHeading"><span style="font-size:0.7em; line-height:130%">std::experimental::</span>packaged_task <span class="t-mark-rev t-since-libfund-ts t-mark-ts">(&#24211;&#22522;&#30784; TS)</span></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>&lrm; | <a href="cpp-experimental-lib_extensions.html">lib extensions</a></span></div>
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<p><i>&#27492;&#39029;&#38754;&#25552;&#21450;&#24211;&#22522;&#30784; TS &#25152;&#25552;&#20379;&#30340;&#24102;&#31867;&#22411;&#25830;&#38500;&#20998;&#37197;&#22120;&#25903;&#25345;&#30340; <span class="t-lc"><a href="cpp-thread-packaged_task.html">std::packaged_task</a></span> &#20462;&#25913;&#29256;&#26412;&#12290;&#24182;&#21457; TS &#25152;&#25552;&#20379;&#30340;&#25903;&#25345;&#35813; TS &#25152;&#25913;&#36827;&#30340; <code>std::future</code> &#30340; <code>packaged_task</code> &#29256;&#26412;&#65292;&#35265; <a href="cpp-experimental-concurrency-packaged_task.html"><tt>std::experimental::concurrency_v1::packaged_task</tt></a> &#12290;</i></p>
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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/future&amp;action=edit&amp;redlink=1" class="new" title="cpp/header/experimental/future&#65288;&#39029;&#38754;&#19981;&#23384;&#22312;&#65289;">&lt;experimental/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> <span class="sy1">&gt;</span> <span class="kw1">class</span> packaged_task<span class="sy4">;</span> <span class="co1">// &#19981;&#23450;&#20041;</span></span></div>
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<td><span class="t-mark-rev t-since-libfund-ts t-mark-ts">(&#24211;&#22522;&#30784; 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> R, <span class="kw1">class</span> ...<span class="me1">Args</span> <span class="sy1">&gt;</span><br />
<span class="kw1">class</span> packaged_task<span class="sy1">&lt;</span>R<span class="br0">(</span>Args...<span class="br0">)</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-libfund-ts t-mark-ts">(&#24211;&#22522;&#30784; TS)</span></td>
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<p><code>std::experimental::fundamentals_v1::packaged_task</code> &#65288;&#21644; <code>std::experimental::fundamentals_v2::packaged_task</code> &#65289;&#26159;&#24211;&#22522;&#30784; TS &#25552;&#20379;&#30340; <span class="t-lc"><a href="cpp-thread-packaged_task.html">std::packaged_task</a></span> &#30340;&#20462;&#25913;&#29256;&#26412;&#65292;&#24102;&#26377;&#31867;&#22411;&#25830;&#38500;&#20998;&#37197;&#22120;&#25903;&#25345;&#12290;</p>
<h3><span class="mw-headline" id=".E6.88.90.E5.91.98.E7.B1.BB.E5.9E.8B">&#25104;&#21592;&#31867;&#22411;</span></h3>
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<td>&#23450;&#20041;</td>
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<td><code>allocator_type</code></td>
<td><span class="t-lc"><a href="cpp-experimental-erased_type.html">std::experimental::erased_type</a></span></td>
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<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 class="t-dsc-member-div t-dsc-member-nobold-div">
<div><a href="cpp-experimental-lib_extensions-packaged_task-packaged_task.html"><span class="t-lines"><span>(&#26500;&#36896;&#20989;&#25968;)</span></span></a></div>
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<td>&#26500;&#36896;&#20219;&#21153;&#23545;&#35937;<br />
<span class="t-mark">(&#20844;&#24320;&#25104;&#21592;&#20989;&#25968;)</span></td>
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<div><a href="cpp-experimental-lib_extensions-packaged_task-get_memory_resource.html"><span class="t-lines"><span>get_memory_resource</span></span></a></div>
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<td>&#21462;&#24471;&#25351;&#21521;&#27492;&#23545;&#35937;&#29992;&#26469;&#20998;&#37197;&#20869;&#23384;&#30340; memory_resource &#30340;&#25351;&#38024;<br />
<span class="t-mark">(&#20844;&#24320;&#25104;&#21592;&#20989;&#25968;)</span></td>
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<h3><span class="mw-headline" id=".E9.9D.9E.E6.88.90.E5.91.98.E5.87.BD.E6.95.B0">&#38750;&#25104;&#21592;&#20989;&#25968;</span></h3>
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<div><a href="cpp-experimental-lib_extensions-packaged_task-swap2.html"><span class="t-lines"><span>std::experimental::swap<span class="t-dsc-small">(std::experimental::packaged_task)</span></span></span></a></div>
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<td>&#29305;&#21270; <code>swap</code> &#31639;&#27861;<br />
<span class="t-mark">(&#20989;&#25968;&#27169;&#26495;)</span></td>
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<h3><span class="mw-headline" id=".E8.BE.85.E5.8A.A9.E7.B1.BB">&#36741;&#21161;&#31867;</span></h3>
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<div><a href="cpp-experimental-lib_extensions-packaged_task-uses_allocator.html"><span class="t-lines"><span>std::uses_allocator<span class="t-dsc-small">&lt;std::experimental::packaged_task&gt;</span></span></span></a></div>
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<td>&#29305;&#21270; <span class="t-lc"><a href="cpp-memory-uses_allocator.html">std::uses_allocator</a></span> &#31867;&#22411;&#29305;&#24615;<br />
<span class="t-mark">(&#31867;&#27169;&#26495;&#29305;&#21270;)</span></td>
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<h2><span class="mw-headline" id=".E7.AD.89.E5.90.8C.E4.BA.8E_std::packaged_task_.E7.9A.84.E6.88.90.E5.91.98">&#31561;&#21516;&#20110; <span style="font-size:0.7em; line-height:130%">std::</span>packaged_task &#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 class="t-dsc-member-div t-dsc-member-nobold-div">
<div><a href="cpp-thread-packaged_task-~packaged_task.html"><span class="t-lines"><span>(&#26512;&#26500;&#20989;&#25968;)</span></span></a></div>
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<td>&#26512;&#26500;&#20219;&#21153;&#23545;&#35937;<br />
<span class="t-mark">(<code>std::packaged_task&lt;R(Args...)&gt;</code> &#30340;&#20844;&#24320;&#25104;&#21592;&#20989;&#25968;)</span></td>
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<div><a href="cpp-thread-packaged_task-operator=.html"><span class="t-lines"><span>operator=</span></span></a></div>
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<td>&#31227;&#21160;&#20219;&#21153;&#23545;&#35937;<br />
<span class="t-mark">(<code>std::packaged_task&lt;R(Args...)&gt;</code> &#30340;&#20844;&#24320;&#25104;&#21592;&#20989;&#25968;)</span></td>
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<div><a href="cpp-thread-packaged_task-valid.html"><span class="t-lines"><span>valid</span></span></a></div>
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<td>&#26816;&#26597;&#20219;&#21153;&#23545;&#35937;&#26159;&#21542;&#25317;&#26377;&#21512;&#27861;&#20989;&#25968;<br />
<span class="t-mark">(<code>std::packaged_task&lt;R(Args...)&gt;</code> &#30340;&#20844;&#24320;&#25104;&#21592;&#20989;&#25968;)</span></td>
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<div><a href="cpp-thread-packaged_task-swap.html"><span class="t-lines"><span>swap</span></span></a></div>
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<td>&#20132;&#25442;&#20108;&#20010;&#20219;&#21153;&#23545;&#35937;<br />
<span class="t-mark">(<code>std::packaged_task&lt;R(Args...)&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-packaged_task-get_future.html"><span class="t-lines"><span>get_future</span></span></a></div>
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<td>&#36820;&#22238;&#19982;&#25215;&#35834;&#30340;&#32467;&#26524;&#20851;&#32852;&#30340; <span class="t-lc"><a href="cpp-thread-future.html">std::future</a></span><br />
<span class="t-mark">(<code>std::packaged_task&lt;R(Args...)&gt;</code> &#30340;&#20844;&#24320;&#25104;&#21592;&#20989;&#25968;)</span></td>
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<h5><span class="mw-headline" id=".E6.89.A7.E8.A1.8C">&#25191;&#34892;</span></h5>
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<div><a href="cpp-thread-packaged_task-operator().html"><span class="t-lines"><span>operator()</span></span></a></div>
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<td>&#25191;&#34892;&#20989;&#25968;<br />
<span class="t-mark">(<code>std::packaged_task&lt;R(Args...)&gt;</code> &#30340;&#20844;&#24320;&#25104;&#21592;&#20989;&#25968;)</span></td>
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<div><a href="cpp-thread-packaged_task-make_ready_at_thread_exit.html"><span class="t-lines"><span>make_ready_at_thread_exit</span></span></a></div>
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<td>&#25191;&#34892;&#20989;&#25968;&#65292;&#24182;&#30830;&#20445;&#32467;&#26524;&#20165;&#22312;&#19968;&#26086;&#24403;&#21069;&#32447;&#31243;&#36864;&#20986;&#26102;&#23601;&#32490;<br />
<span class="t-mark">(<code>std::packaged_task&lt;R(Args...)&gt;</code> &#30340;&#20844;&#24320;&#25104;&#21592;&#20989;&#25968;)</span></td>
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<div><a href="cpp-thread-packaged_task-reset.html"><span class="t-lines"><span>reset</span></span></a></div>
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<td>&#37325;&#32622;&#29366;&#24577;&#65292;&#25243;&#24323;&#20219;&#20309;&#20808;&#21069;&#25191;&#34892;&#30340;&#23384;&#20648;&#32467;&#26524;<br />
<span class="t-mark">(<code>std::packaged_task&lt;R(Args...)&gt;</code> &#30340;&#20844;&#24320;&#25104;&#21592;&#20989;&#25968;)</span></td>
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