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<h1 id="firstHeading" class="firstHeading"><span style="font-size:0.7em; line-height:130%">std::chrono::time_point&lt;Clock,Duration&gt;::</span>min</h1>
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<div id="contentSub"><span class="subpages">&lt; <a href="cpp.html">cpp</a>&lrm; | <a href="cpp-chrono.html">chrono</a>&lrm; | <a href="cpp-chrono-time_point.html">time point</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> time_point min<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 &#21069;)</span></td>
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<div><span class="mw-geshi cpp source-cpp"><span class="kw4">static</span> <span class="kw4">constexpr</span> time_point min<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 &#36215;)</span></td>
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<p>&#36820;&#22238;&#25317;&#26377;&#26368;&#23567;&#21487;&#33021;&#26102;&#38271;&#30340; <code>time_point</code> &#65292;&#21363; <span class="t-c"><span class="mw-geshi cpp source-cpp">time_point<span class="br0">(</span>std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">duration</span><span class="sy4">::</span><span class="me2">min</span><span class="br0">(</span><span class="br0">)</span><span class="br0">)</span></span></span> &#12290;</p>
<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>
<p>&#26368;&#23567;&#30340;&#21487;&#33021;&#30340; <code>time_point</code></p>
<h3><span class="mw-headline" id=".E7.A4.BA.E4.BE.8B">&#31034;&#20363;</span></h3>
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<pre class="de1"><span class="co2">#include &lt;iostream&gt;</span>
<span class="co2">#include &lt;ratio&gt;</span>
<span class="co2">#include &lt;chrono&gt;</span>
<span class="kw4">constexpr</span> <span class="kw4">auto</span> steady_min <span class="sy1">=</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">steady_clock</span><span class="sy4">::</span><span class="me2">time_point</span><span class="sy4">::</span><span class="me2">min</span><span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span>
<span class="kw4">int</span> main<span class="br0">(</span><span class="br0">)</span>
<span class="br0">{</span>
<span class="kw4">auto</span> last_frame <span class="sy1">=</span> steady_min<span class="sy4">;</span>
<a href="cpp-chrono-duration.html"><span class="kw993">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">duration</span></span></a><span class="sy1">&lt;</span><span class="kw4">float</span>, <a href="cpp-numeric-ratio-ratio.html"><span class="kw1528">std::<span class="me2">milli</span></span></a><span class="sy1">&gt;</span> game_time <span class="br0">{</span><span class="nu17">0.0F</span><span class="br0">}</span><span class="sy4">;</span>
<span class="kw1">for</span> <span class="br0">(</span><a href="cpp-types-size_t.html"><span class="kw100">std::<span class="me2">size_t</span></span></a> count <span class="sy1">=</span> <span class="nu0">0</span><span class="sy4">;</span> count <span class="sy1">&lt;</span> <span class="nu0">5</span><span class="sy4">;</span> <span class="sy2">++</span>count<span class="br0">)</span> <span class="br0">{</span>
<span class="kw4">auto</span> current_frame <span class="sy1">=</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">steady_clock</span><span class="sy4">::</span><span class="me2">now</span><span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span>
<span class="co1">// &#33509;&#26159;&#39318;&#24103;&#21017;&#21021;&#22987;&#21270;&#35745;&#26102;&#22120;&#65306;</span>
<span class="kw1">if</span> <span class="br0">(</span>last_frame <span class="sy1">==</span> steady_min<span class="br0">)</span>
last_frame <span class="sy1">=</span> current_frame<span class="sy4">;</span>
game_time <span class="sy2">+</span><span class="sy1">=</span> current_frame <span class="sy2">-</span> last_frame<span class="sy4">;</span>
<a href="cpp-io-cout.html"><span class="kw1758">std::<span class="me2">cout</span></span></a> <span class="sy1">&lt;&lt;</span> <span class="st0">&quot;Drawing frame at &quot;</span> <span class="sy1">&lt;&lt;</span> game_time.<span class="me1">count</span><span class="br0">(</span><span class="br0">)</span> <span class="sy1">&lt;&lt;</span> <span class="st0">&quot; ms<span class="es1">\n</span>&quot;</span><span class="sy4">;</span>
<span class="co1">// &#22312;&#26102;&#38388;&#20559;&#31227; game_time &#32472;&#21046;&#24103;&hellip;&hellip;</span>
<span class="br0">}</span>
<span class="br0">}</span></pre></div>
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<p>&#21487;&#33021;&#30340;&#36755;&#20986;&#65306;</p>
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<pre class="de1">Drawing frame at 0 ms
Drawing frame at 0.17551 ms
Drawing frame at 0.358325 ms
Drawing frame at 0.545384 ms
Drawing frame at 0.736717 ms</pre></div>
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