78 lines
4.2 KiB
HTML
78 lines
4.2 KiB
HTML
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<title>std::chrono::duration<Rep,Period>::max</title>
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<body class="mediawiki ltr sitedir-ltr ns-0 ns-subject page-cpp_chrono_duration_max skin-cppreference2 action-view cpp-navbar">
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<h1 id="firstHeading" class="firstHeading"><span style="font-size:0.7em; line-height:130%">std::chrono::duration<Rep,Period>::</span>max</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-duration.html">duration</a></span></div>
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<div><span class="mw-geshi cpp source-cpp"><span class="kw4">static</span> <span class="kw4">constexpr</span> duration max<span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span></span></div>
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<td><span class="t-mark-rev t-until-cxx20">(C++20 前)</span></td>
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<div><span class="mw-geshi cpp source-cpp"><span class="kw4">static</span> <span class="kw4">constexpr</span> duration max<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-cxx20">(C++20 起)</span></td>
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<p>返回拥有最大可能值的时长。</p>
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<p>若时长表示 <code>rep</code> 要求某个其他实现返回最大长度的时长，则可特化 <span class="t-lc"><a href="cpp-chrono-duration_values.html">std::chrono::duration_values</a></span> 以返回所欲值。</p>
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<h3><span class="mw-headline" id=".E5.8F.82.E6.95.B0">参数</span></h3>
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<p>（无）</p>
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<h3><span class="mw-headline" id=".E8.BF.94.E5.9B.9E.E5.80.BC">返回值</span></h3>
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<p>返回 <span class="t-c"><span class="mw-geshi cpp source-cpp">duration<span class="br0">(</span><a href="cpp-chrono-duration_values.html"><span class="kw1003">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">duration_values</span></span></a><span class="sy1"><</span>rep<span class="sy1">></span><span class="sy4">::</span><span class="me2">max</span><span class="br0">(</span><span class="br0">)</span><span class="br0">)</span></span></span> 。</p>
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<h3><span class="mw-headline" id=".E5.8F.82.E9.98.85">参阅</span></h3>
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<div><a href="cpp-chrono-duration-zero.html"><span class="t-lines"><span>zero</span></span></a></div>
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<div><span class="t-lines"><span><span class="t-cmark">[静态]</span></span></span></div>
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<td>返回特殊时长值零<br />
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<span class="t-mark">(公开静态成员函数)</span></td>
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<div><a href="cpp-chrono-duration-min.html"><span class="t-lines"><span>min</span></span></a></div>
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<div><span class="t-lines"><span><span class="t-cmark">[静态]</span></span></span></div>
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<td>返回特殊时长值最小值<br />
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<span class="t-mark">(公开静态成员函数)</span></td>
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