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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>get</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"><span class="kw4">const</span> T<span class="sy3">&amp;</span> get<span class="br0">(</span><span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span></span></div>
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<td><span class="t-mark">(&#20165;&#20026;&#27867;&#22411; <code>shared_future</code> &#27169;&#26495;&#30340;&#25104;&#21592;)</span><br />
<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">T<span class="sy3">&amp;</span> get<span class="br0">(</span><span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span></span></div>
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<td>(2)</td>
<td><span class="t-mark">(&#20165;&#20026; <code>shared_future&lt;T&amp;&gt;</code> &#27169;&#26495;&#29305;&#21270;&#30340;&#25104;&#21592;)</span><br />
<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"><span class="kw4">void</span> get<span class="br0">(</span><span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span></span></div>
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<td><span class="t-mark">(&#20165;&#20026; <code>shared_future&lt;void&gt;</code> &#27169;&#26495;&#29305;&#21270;&#30340;&#25104;&#21592;)</span><br />
<span class="t-mark-rev t-since-cxx11">(C++11 &#36215;)</span></td>
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<p><code>get</code> &#26041;&#27861;&#31561;&#24453;&#30452;&#33267; <code>shared_future</code> &#25317;&#26377;&#21512;&#27861;&#32467;&#26524;&#24182;&#65288;&#20381;&#36182;&#20110;&#20351;&#29992;&#21738;&#20010;&#27169;&#26495;&#65289;&#33719;&#21462;&#23427;&#12290;&#23427;&#31561;&#25928;&#22320;&#35843;&#29992; <span class="t-lc"><a href="cpp-thread-shared_future-wait.html">wait()</a></span> &#31561;&#24453;&#32467;&#26524;&#12290;</p>
<p>&#27867;&#22411;&#27169;&#26495;&#21644;&#20108;&#20010;&#27169;&#26495;&#29305;&#21270;&#21508;&#21547;&#21333;&#20010; <code>get</code> &#29256;&#26412;&#12290; <code>get</code> &#30340;&#19977;&#20010;&#29256;&#26412;&#20165;&#22312;&#36820;&#22238;&#31867;&#22411;&#26377;&#21035;&#12290;</p>
<p>&#33509;&#35843;&#29992;&#27492;&#20989;&#25968;&#21069; <span class="t-lc"><a href="cpp-thread-shared_future-valid.html">valid()</a></span> &#20026; <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw2">false</span></span></span> &#21017;&#34892;&#20026;&#26410;&#23450;&#20041;&#12290;</p>
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<h3><span class="mw-headline" id=".E5.8F.82.E6.95.B0">&#21442;&#25968;</span></h3>
<p>&#65288;&#26080;&#65289;</p>
<h3><span class="mw-headline" id=".E8.BF.94.E5.9B.9E.E5.80.BC">&#36820;&#22238;&#20540;</span></h3>
<div class="t-li1"><span class="t-li">1)</span> &#21040;&#23384;&#20648;&#20110;&#20849;&#20139;&#29366;&#24577;&#30340;&#20540;&#30340; const &#24341;&#29992;&#12290;&#38144;&#27585;&#20849;&#20139;&#29366;&#24577;&#21518;&#65292;&#36890;&#36807;&#27492;&#24341;&#29992;&#35775;&#38382;&#20540;&#26159;&#26410;&#23450;&#20041;&#34892;&#20026;&#12290;</div>
<div class="t-li1"><span class="t-li">2)</span> &#23384;&#20648;&#20110;&#20849;&#20139;&#29366;&#24577;&#30340;&#20540;&#30340;&#24341;&#29992;&#12290;</div>
<div class="t-li1"><span class="t-li">3)</span> &#26080;&#12290;</div>
<h3><span class="mw-headline" id=".E5.BC.82.E5.B8.B8">&#24322;&#24120;</span></h3>
<p>&#33509; future &#25152;&#24341;&#29992;&#30340;&#20849;&#20139;&#29366;&#24577;&#20013;&#23384;&#20648;&#24322;&#24120;&#65288;&#20363;&#22914;&#65292;&#36890;&#36807;&#35843;&#29992; <a href="cpp-thread-promise-set_exception.html"><tt>std::promise::set_exception()</tt></a> &#65289;&#65292;&#21017;&#25243;&#20986;&#35813;&#24322;&#24120;&#12290;</p>
<h3><span class="mw-headline" id=".E6.B3.A8.E6.84.8F">&#27880;&#24847;</span></h3>
<p>&#40723;&#21169;&#23454;&#29616;&#22312;&#35843;&#29992;&#21069;&#26816;&#27979; <span class="t-lc"><a href="cpp-thread-shared_future-valid.html">valid()</a></span> &#20026; <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw2">false</span></span></span> &#30340;&#24773;&#20917;&#65292;&#24182;&#25243;&#20986;&#20197; <span class="t-lc"><a href="cpp-thread-future_errc.html">std::future_errc::no_state</a></span> &#20026; error_condition &#30340; <span class="t-lc"><a href="cpp-thread-future_error.html">std::future_error</a></span> &#12290;</p>
<h3><span class="mw-headline" id=".E7.A4.BA.E4.BE.8B">&#31034;&#20363;</span></h3>
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<td>&#26816;&#26597; future &#26159;&#21542;&#25317;&#26377;&#20849;&#20139;&#29366;&#24577;<br />
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