40 lines
2.2 KiB
HTML
40 lines
2.2 KiB
HTML
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<title>std::chrono::tzdb_list::front</title>
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<h1 id="firstHeading" class="firstHeading"><span style="font-size:0.7em; line-height:130%">std::chrono::tzdb_list::</span>front</h1>
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<div id="contentSub"><span class="subpages">< <a href="cpp.html">cpp</a>‎ | <a href="cpp-chrono.html">chrono</a>‎ | <a href="cpp-chrono-tzdb_list.html">tzdb list</a></span></div>
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<div><span class="mw-geshi cpp source-cpp"><span class="kw4">const</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">tzdb</span><span class="sy3">&</span> front<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>获得到表中首个 <span class="t-lc">std::chrono::tzdb</span> 的引用。同时调用此函数和 <span class="t-c"><span class="mw-geshi cpp source-cpp">std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">reload_tzdb</span><span class="br0">(</span><span class="br0">)</span></span></span> 不引入数据竞争。</p>
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