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<h1 id="firstHeading" class="firstHeading"><span style="font-size:0.7em; line-height:130%">std::chrono::</span>operator/ <span style="font-size:0.7em; line-height:130%">(&#26085;&#21382;)</span></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></span></div>
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<div>&#23450;&#20041;&#20110;&#22836;&#25991;&#20214; <code><a href="cpp-header-chrono.html">&lt;chrono&gt;</a></code></div>
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<div><code>year_month</code></div>
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<div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span><span class="kw4">const</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year</span><span class="sy3">&amp;</span> y,<br /></span>
<p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<span class="kw4">const</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month</span><span class="sy3">&amp;</span> m<span class="br0">)</span> <span class="kw1">noexcept</span><br /></p>
&nbsp; &nbsp; <span class="sy2">-</span><span class="sy1">&gt;</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year_month</span><span class="sy4">;</span></div>
</td>
<td>(1)</td>
<td><span class="t-mark-rev t-since-cxx20">(C++20 &#36215;)</span></td>
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<tr class="t-dcl t-since-cxx20">
<td>
<div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span><span class="kw4">const</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year</span><span class="sy3">&amp;</span> y, <span class="kw4">int</span> m<span class="br0">)</span> <span class="kw1">noexcept</span><br />
&nbsp; &nbsp; <span class="sy2">-</span><span class="sy1">&gt;</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year_month</span><span class="sy4">;</span></span></div>
</td>
<td>(2)</td>
<td><span class="t-mark-rev t-since-cxx20">(C++20 &#36215;)</span></td>
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<div><code>month_day</code></div>
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<td></td>
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<td>
<div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span><span class="kw4">const</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month</span><span class="sy3">&amp;</span> m,<br /></span>
<p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<span class="kw4">const</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">day</span><span class="sy3">&amp;</span> d<span class="br0">)</span> <span class="kw1">noexcept</span><br /></p>
&nbsp; &nbsp; <span class="sy2">-</span><span class="sy1">&gt;</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month_day</span><span class="sy4">;</span></div>
</td>
<td>(3)</td>
<td><span class="t-mark-rev t-since-cxx20">(C++20 &#36215;)</span></td>
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<tr class="t-dcl t-since-cxx20">
<td>
<div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span><span class="kw4">const</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month</span><span class="sy3">&amp;</span> m, <span class="kw4">int</span> d<span class="br0">)</span> <span class="kw1">noexcept</span><br />
&nbsp; &nbsp; <span class="sy2">-</span><span class="sy1">&gt;</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month_day</span><span class="sy4">;</span></span></div>
</td>
<td>(4)</td>
<td><span class="t-mark-rev t-since-cxx20">(C++20 &#36215;)</span></td>
</tr>
<tr class="t-dcl t-since-cxx20">
<td>
<div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span><span class="kw4">int</span> m, <span class="kw4">const</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">day</span><span class="sy3">&amp;</span> d<span class="br0">)</span> <span class="kw1">noexcept</span><br />
&nbsp; &nbsp; <span class="sy2">-</span><span class="sy1">&gt;</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month_day</span><span class="sy4">;</span></span></div>
</td>
<td>(5)</td>
<td><span class="t-mark-rev t-since-cxx20">(C++20 &#36215;)</span></td>
</tr>
<tr class="t-dcl t-since-cxx20">
<td>
<div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span><span class="kw4">const</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">day</span><span class="sy3">&amp;</span> d,<br /></span>
<p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<span class="kw4">const</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month</span><span class="sy3">&amp;</span> m<span class="br0">)</span> <span class="kw1">noexcept</span><br /></p>
&nbsp; &nbsp;<span class="sy2">-</span><span class="sy1">&gt;</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month_day</span><span class="sy4">;</span></div>
</td>
<td>(6)</td>
<td><span class="t-mark-rev t-since-cxx20">(C++20 &#36215;)</span></td>
</tr>
<tr class="t-dcl t-since-cxx20">
<td>
<div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span><span class="kw4">const</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">day</span><span class="sy3">&amp;</span> d, <span class="kw4">int</span> m<span class="br0">)</span> <span class="kw1">noexcept</span><br />
&nbsp; &nbsp; <span class="sy2">-</span><span class="sy1">&gt;</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month_day</span><span class="sy4">;</span></span></div>
</td>
<td>(7)</td>
<td><span class="t-mark-rev t-since-cxx20">(C++20 &#36215;)</span></td>
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<div><code>month_day_last</code></div>
</td>
<td></td>
<td></td>
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<tr class="t-dcl t-since-cxx20">
<td>
<div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span><span class="kw4">const</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month</span><span class="sy3">&amp;</span> m,<br /></span>
<p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">last_spec</span><span class="br0">)</span> <span class="kw1">noexcept</span><br /></p>
&nbsp; &nbsp; <span class="sy2">-</span><span class="sy1">&gt;</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month_day_last</span><span class="sy4">;</span></div>
</td>
<td>(8)</td>
<td><span class="t-mark-rev t-since-cxx20">(C++20 &#36215;)</span></td>
</tr>
<tr class="t-dcl t-since-cxx20">
<td>
<div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span><span class="kw4">int</span> m, std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">last_spec</span><span class="br0">)</span> <span class="kw1">noexcept</span><br />
&nbsp; &nbsp; <span class="sy2">-</span><span class="sy1">&gt;</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month_day_last</span><span class="sy4">;</span></span></div>
</td>
<td>(9)</td>
<td><span class="t-mark-rev t-since-cxx20">(C++20 &#36215;)</span></td>
</tr>
<tr class="t-dcl t-since-cxx20">
<td>
<div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span>std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">last_spec</span>,<br /></span>
<p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<span class="kw4">const</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month</span><span class="sy3">&amp;</span> m<span class="br0">)</span> <span class="kw1">noexcept</span><br /></p>
&nbsp; &nbsp; <span class="sy2">-</span><span class="sy1">&gt;</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month_day_last</span><span class="sy4">;</span></div>
</td>
<td>(10)</td>
<td><span class="t-mark-rev t-since-cxx20">(C++20 &#36215;)</span></td>
</tr>
<tr class="t-dcl t-since-cxx20">
<td>
<div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span>std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">last_spec</span>, <span class="kw4">int</span> m<span class="br0">)</span> <span class="kw1">noexcept</span><br />
&nbsp; &nbsp; <span class="sy2">-</span><span class="sy1">&gt;</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month_day_last</span><span class="sy4">;</span></span></div>
</td>
<td>(11)</td>
<td><span class="t-mark-rev t-since-cxx20">(C++20 &#36215;)</span></td>
</tr>
<tr class="t-dcl-sep">
<td></td>
<td></td>
<td></td>
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<tr class="t-dcl-h">
<td>
<div><code>month_weekday</code></div>
</td>
<td></td>
<td></td>
</tr>
<tr class="t-dcl t-since-cxx20">
<td>
<div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span><span class="kw4">const</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month</span><span class="sy3">&amp;</span> m,<br /></span>
<p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<span class="kw4">const</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">weekday_indexed</span><span class="sy3">&amp;</span> wdi<span class="br0">)</span> <span class="kw1">noexcept</span><br /></p>
&nbsp; &nbsp; <span class="sy2">-</span><span class="sy1">&gt;</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month_weekday</span><span class="sy4">;</span></div>
</td>
<td>(12)</td>
<td><span class="t-mark-rev t-since-cxx20">(C++20 &#36215;)</span></td>
</tr>
<tr class="t-dcl t-since-cxx20">
<td>
<div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span><span class="kw4">int</span> m, <span class="kw4">const</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">weekday_indexed</span><span class="sy3">&amp;</span> wdi<span class="br0">)</span> <span class="kw1">noexcept</span><br />
&nbsp; &nbsp; <span class="sy2">-</span><span class="sy1">&gt;</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month_weekday</span><span class="sy4">;</span></span></div>
</td>
<td>(13)</td>
<td><span class="t-mark-rev t-since-cxx20">(C++20 &#36215;)</span></td>
</tr>
<tr class="t-dcl t-since-cxx20">
<td>
<div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span><span class="kw4">const</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">weekday_indexed</span><span class="sy3">&amp;</span> wdi,<br /></span>
<p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<span class="kw4">const</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month</span><span class="sy3">&amp;</span> m<span class="br0">)</span> <span class="kw1">noexcept</span><br /></p>
&nbsp; &nbsp; <span class="sy2">-</span><span class="sy1">&gt;</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month_weekday</span><span class="sy4">;</span></div>
</td>
<td>(14)</td>
<td><span class="t-mark-rev t-since-cxx20">(C++20 &#36215;)</span></td>
</tr>
<tr class="t-dcl t-since-cxx20">
<td>
<div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span><span class="kw4">const</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">weekday_indexed</span><span class="sy3">&amp;</span> wdi, <span class="kw4">int</span> m<span class="br0">)</span> <span class="kw1">noexcept</span><br />
&nbsp; &nbsp; <span class="sy2">-</span><span class="sy1">&gt;</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month_weekday</span><span class="sy4">;</span></span></div>
</td>
<td>(15)</td>
<td><span class="t-mark-rev t-since-cxx20">(C++20 &#36215;)</span></td>
</tr>
<tr class="t-dcl-sep">
<td></td>
<td></td>
<td></td>
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<tr class="t-dcl-h">
<td>
<div><code>month_weekday_last</code></div>
</td>
<td></td>
<td></td>
</tr>
<tr class="t-dcl t-since-cxx20">
<td>
<div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span><span class="kw4">const</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month</span><span class="sy3">&amp;</span> m,<br /></span>
<p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<span class="kw4">const</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">weekday_last</span><span class="sy3">&amp;</span> wdl<span class="br0">)</span> <span class="kw1">noexcept</span><br /></p>
&nbsp; &nbsp; <span class="sy2">-</span><span class="sy1">&gt;</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month_weekday_last</span><span class="sy4">;</span></div>
</td>
<td>(16)</td>
<td><span class="t-mark-rev t-since-cxx20">(C++20 &#36215;)</span></td>
</tr>
<tr class="t-dcl t-since-cxx20">
<td>
<div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span><span class="kw4">int</span> m, <span class="kw4">const</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">weekday_last</span><span class="sy3">&amp;</span> wdl<span class="br0">)</span> <span class="kw1">noexcept</span><br />
&nbsp; &nbsp; <span class="sy2">-</span><span class="sy1">&gt;</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month_weekday_last</span><span class="sy4">;</span></span></div>
</td>
<td>(17)</td>
<td><span class="t-mark-rev t-since-cxx20">(C++20 &#36215;)</span></td>
</tr>
<tr class="t-dcl t-since-cxx20">
<td>
<div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span><span class="kw4">const</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">weekday_last</span><span class="sy3">&amp;</span> wdl,<br /></span>
<p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<span class="kw4">const</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month</span><span class="sy3">&amp;</span> m<span class="br0">)</span> <span class="kw1">noexcept</span><br /></p>
&nbsp; &nbsp; <span class="sy2">-</span><span class="sy1">&gt;</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month_weekday_last</span><span class="sy4">;</span></div>
</td>
<td>(18)</td>
<td><span class="t-mark-rev t-since-cxx20">(C++20 &#36215;)</span></td>
</tr>
<tr class="t-dcl t-since-cxx20">
<td>
<div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span><span class="kw4">const</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">weekday_last</span><span class="sy3">&amp;</span> wdl, <span class="kw4">int</span> m<span class="br0">)</span> <span class="kw1">noexcept</span><br />
&nbsp; &nbsp; <span class="sy2">-</span><span class="sy1">&gt;</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month_weekday_last</span><span class="sy4">;</span></span></div>
</td>
<td>(19)</td>
<td><span class="t-mark-rev t-since-cxx20">(C++20 &#36215;)</span></td>
</tr>
<tr class="t-dcl-sep">
<td></td>
<td></td>
<td></td>
</tr>
<tr class="t-dcl-h">
<td>
<div><code>year_month_day</code></div>
</td>
<td></td>
<td></td>
</tr>
<tr class="t-dcl t-since-cxx20">
<td>
<div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span><span class="kw4">const</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year_month</span><span class="sy3">&amp;</span> ym,<br /></span>
<p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<span class="kw4">const</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">day</span><span class="sy3">&amp;</span> d<span class="br0">)</span> <span class="kw1">noexcept</span><br /></p>
&nbsp; &nbsp; <span class="sy2">-</span><span class="sy1">&gt;</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year_month_day</span><span class="sy4">;</span></div>
</td>
<td>(20)</td>
<td><span class="t-mark-rev t-since-cxx20">(C++20 &#36215;)</span></td>
</tr>
<tr class="t-dcl t-since-cxx20">
<td>
<div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span><span class="kw4">const</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year_month</span><span class="sy3">&amp;</span> ym, <span class="kw4">int</span> d<span class="br0">)</span> <span class="kw1">noexcept</span><br />
&nbsp; &nbsp; <span class="sy2">-</span><span class="sy1">&gt;</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year_month_day</span><span class="sy4">;</span></span></div>
</td>
<td>(21)</td>
<td><span class="t-mark-rev t-since-cxx20">(C++20 &#36215;)</span></td>
</tr>
<tr class="t-dcl t-since-cxx20">
<td>
<div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span><span class="kw4">const</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year</span><span class="sy3">&amp;</span> y,<br /></span>
<p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<span class="kw4">const</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month_day</span><span class="sy3">&amp;</span> md<span class="br0">)</span> <span class="kw1">noexcept</span><br /></p>
&nbsp; &nbsp; <span class="sy2">-</span><span class="sy1">&gt;</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year_month_day</span><span class="sy4">;</span></div>
</td>
<td>(22)</td>
<td><span class="t-mark-rev t-since-cxx20">(C++20 &#36215;)</span></td>
</tr>
<tr class="t-dcl t-since-cxx20">
<td>
<div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span><span class="kw4">int</span> y, <span class="kw4">const</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month_day</span><span class="sy3">&amp;</span> md<span class="br0">)</span> <span class="kw1">noexcept</span><br />
&nbsp; &nbsp; <span class="sy2">-</span><span class="sy1">&gt;</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year_month_day</span><span class="sy4">;</span></span></div>
</td>
<td>(23)</td>
<td><span class="t-mark-rev t-since-cxx20">(C++20 &#36215;)</span></td>
</tr>
<tr class="t-dcl t-since-cxx20">
<td>
<div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span><span class="kw4">const</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month_day</span><span class="sy3">&amp;</span> md,<br /></span>
<p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<span class="kw4">const</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year</span><span class="sy3">&amp;</span> y<span class="br0">)</span> <span class="kw1">noexcept</span><br /></p>
&nbsp; &nbsp; <span class="sy2">-</span><span class="sy1">&gt;</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year_month_day</span><span class="sy4">;</span></div>
</td>
<td>(24)</td>
<td><span class="t-mark-rev t-since-cxx20">(C++20 &#36215;)</span></td>
</tr>
<tr class="t-dcl t-since-cxx20">
<td>
<div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span><span class="kw4">const</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month_day</span><span class="sy3">&amp;</span> md, <span class="kw4">int</span> y<span class="br0">)</span> <span class="kw1">noexcept</span><br />
&nbsp; &nbsp; <span class="sy2">-</span><span class="sy1">&gt;</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year_month_day</span><span class="sy4">;</span></span></div>
</td>
<td>(25)</td>
<td><span class="t-mark-rev t-since-cxx20">(C++20 &#36215;)</span></td>
</tr>
<tr class="t-dcl-sep">
<td></td>
<td></td>
<td></td>
</tr>
<tr class="t-dcl-h">
<td>
<div><code>year_month_day_last</code></div>
</td>
<td></td>
<td></td>
</tr>
<tr class="t-dcl t-since-cxx20">
<td>
<div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span><span class="kw4">const</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year_month</span><span class="sy3">&amp;</span> ym,<br /></span>
<p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">last_spec</span><span class="br0">)</span> <span class="kw1">noexcept</span><br /></p>
&nbsp; &nbsp; <span class="sy2">-</span><span class="sy1">&gt;</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year_month_day_last</span><span class="sy4">;</span></div>
</td>
<td>(26)</td>
<td><span class="t-mark-rev t-since-cxx20">(C++20 &#36215;)</span></td>
</tr>
<tr class="t-dcl t-since-cxx20">
<td>
<div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span><span class="kw4">const</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year</span><span class="sy3">&amp;</span> y,<br /></span>
<p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<span class="kw4">const</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month_day_last</span><span class="sy3">&amp;</span> mdl<span class="br0">)</span> <span class="kw1">noexcept</span><br /></p>
&nbsp; &nbsp; <span class="sy2">-</span><span class="sy1">&gt;</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year_month_day_last</span><span class="sy4">;</span></div>
</td>
<td>(27)</td>
<td><span class="t-mark-rev t-since-cxx20">(C++20 &#36215;)</span></td>
</tr>
<tr class="t-dcl t-since-cxx20">
<td>
<div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span><span class="kw4">int</span> y, <span class="kw4">const</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month_day_last</span><span class="sy3">&amp;</span> mdl<span class="br0">)</span> <span class="kw1">noexcept</span><br />
&nbsp; &nbsp; <span class="sy2">-</span><span class="sy1">&gt;</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year_month_day_last</span><span class="sy4">;</span></span></div>
</td>
<td>(28)</td>
<td><span class="t-mark-rev t-since-cxx20">(C++20 &#36215;)</span></td>
</tr>
<tr class="t-dcl t-since-cxx20">
<td>
<div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span><span class="kw4">const</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month_day_last</span><span class="sy3">&amp;</span> mdl,<br /></span>
<p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<span class="kw4">const</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year</span><span class="sy3">&amp;</span> y<span class="br0">)</span> <span class="kw1">noexcept</span><br /></p>
&nbsp; &nbsp; <span class="sy2">-</span><span class="sy1">&gt;</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year_month_day_last</span><span class="sy4">;</span></div>
</td>
<td>(29)</td>
<td><span class="t-mark-rev t-since-cxx20">(C++20 &#36215;)</span></td>
</tr>
<tr class="t-dcl t-since-cxx20">
<td>
<div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span><span class="kw4">const</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month_day_last</span><span class="sy3">&amp;</span> mdl, <span class="kw4">int</span> y<span class="br0">)</span> <span class="kw1">noexcept</span><br />
&nbsp; &nbsp; <span class="sy2">-</span><span class="sy1">&gt;</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year_month_day_last</span><span class="sy4">;</span></span></div>
</td>
<td>(30)</td>
<td><span class="t-mark-rev t-since-cxx20">(C++20 &#36215;)</span></td>
</tr>
<tr class="t-dcl-sep">
<td></td>
<td></td>
<td></td>
</tr>
<tr class="t-dcl-h">
<td>
<div><code>year_month_weekday</code></div>
</td>
<td></td>
<td></td>
</tr>
<tr class="t-dcl t-since-cxx20">
<td>
<div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span><span class="kw4">const</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year_month</span><span class="sy3">&amp;</span> ym,<br /></span>
<p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<span class="kw4">const</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">weekday_indexed</span><span class="sy3">&amp;</span> wdi<span class="br0">)</span> <span class="kw1">noexcept</span><br /></p>
&nbsp; &nbsp; <span class="sy2">-</span><span class="sy1">&gt;</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year_month_weekday</span><span class="sy4">;</span></div>
</td>
<td>(31)</td>
<td><span class="t-mark-rev t-since-cxx20">(C++20 &#36215;)</span></td>
</tr>
<tr class="t-dcl t-since-cxx20">
<td>
<div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span><span class="kw4">const</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year</span><span class="sy3">&amp;</span> y,<br /></span>
<p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<span class="kw4">const</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month_weekday</span><span class="sy3">&amp;</span> mwd<span class="br0">)</span> <span class="kw1">noexcept</span><br /></p>
&nbsp; &nbsp; <span class="sy2">-</span><span class="sy1">&gt;</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year_month_weekday</span><span class="sy4">;</span></div>
</td>
<td>(32)</td>
<td><span class="t-mark-rev t-since-cxx20">(C++20 &#36215;)</span></td>
</tr>
<tr class="t-dcl t-since-cxx20">
<td>
<div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span><span class="kw4">int</span> y, <span class="kw4">const</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month_weekday</span><span class="sy3">&amp;</span> mwd<span class="br0">)</span> <span class="kw1">noexcept</span><br />
&nbsp; &nbsp; <span class="sy2">-</span><span class="sy1">&gt;</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year_month_weekday</span><span class="sy4">;</span></span></div>
</td>
<td>(33)</td>
<td><span class="t-mark-rev t-since-cxx20">(C++20 &#36215;)</span></td>
</tr>
<tr class="t-dcl t-since-cxx20">
<td>
<div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span><span class="kw4">const</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month_weekday</span><span class="sy3">&amp;</span> mwd,<br /></span>
<p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<span class="kw4">const</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year</span><span class="sy3">&amp;</span> y<span class="br0">)</span> <span class="kw1">noexcept</span><br /></p>
&nbsp; &nbsp; <span class="sy2">-</span><span class="sy1">&gt;</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year_month_weekday</span><span class="sy4">;</span></div>
</td>
<td>(34)</td>
<td><span class="t-mark-rev t-since-cxx20">(C++20 &#36215;)</span></td>
</tr>
<tr class="t-dcl t-since-cxx20">
<td>
<div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span><span class="kw4">const</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month_weekday</span><span class="sy3">&amp;</span> mwd, <span class="kw4">int</span> y<span class="br0">)</span> <span class="kw1">noexcept</span><br />
&nbsp; &nbsp; <span class="sy2">-</span><span class="sy1">&gt;</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year_month_weekday</span><span class="sy4">;</span></span></div>
</td>
<td>(35)</td>
<td><span class="t-mark-rev t-since-cxx20">(C++20 &#36215;)</span></td>
</tr>
<tr class="t-dcl-sep">
<td></td>
<td></td>
<td></td>
</tr>
<tr class="t-dcl-h">
<td>
<div><code>year_month_weekday_last</code></div>
</td>
<td></td>
<td></td>
</tr>
<tr class="t-dcl t-since-cxx20">
<td>
<div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span><span class="kw4">const</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year_month</span><span class="sy3">&amp;</span> ym,<br /></span>
<p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<span class="kw4">const</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">weekday_last</span><span class="sy3">&amp;</span> wdl<span class="br0">)</span> <span class="kw1">noexcept</span><br /></p>
&nbsp; &nbsp; <span class="sy2">-</span><span class="sy1">&gt;</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year_month_weekday_last</span><span class="sy4">;</span></div>
</td>
<td>(36)</td>
<td><span class="t-mark-rev t-since-cxx20">(C++20 &#36215;)</span></td>
</tr>
<tr class="t-dcl t-since-cxx20">
<td>
<div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span><span class="kw4">const</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year</span><span class="sy3">&amp;</span> y,<br /></span>
<p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<span class="kw4">const</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month_weekday_last</span><span class="sy3">&amp;</span> mwdl<span class="br0">)</span> <span class="kw1">noexcept</span><br /></p>
&nbsp; &nbsp; <span class="sy2">-</span><span class="sy1">&gt;</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year_month_weekday_last</span><span class="sy4">;</span></div>
</td>
<td>(37)</td>
<td><span class="t-mark-rev t-since-cxx20">(C++20 &#36215;)</span></td>
</tr>
<tr class="t-dcl t-since-cxx20">
<td>
<div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span><span class="kw4">int</span> y, <span class="kw4">const</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month_weekday_last</span><span class="sy3">&amp;</span> mwdl<span class="br0">)</span> <span class="kw1">noexcept</span><br />
&nbsp; &nbsp; <span class="sy2">-</span><span class="sy1">&gt;</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year_month_weekday_last</span><span class="sy4">;</span></span></div>
</td>
<td>(38)</td>
<td><span class="t-mark-rev t-since-cxx20">(C++20 &#36215;)</span></td>
</tr>
<tr class="t-dcl t-since-cxx20">
<td>
<div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span><span class="kw4">const</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month_weekday_last</span><span class="sy3">&amp;</span> mwdl,<br /></span>
<p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<span class="kw4">const</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year</span><span class="sy3">&amp;</span> y<span class="br0">)</span> <span class="kw1">noexcept</span><br /></p>
&nbsp; &nbsp; <span class="sy2">-</span><span class="sy1">&gt;</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year_month_weekday_last</span><span class="sy4">;</span></div>
</td>
<td>(39)</td>
<td><span class="t-mark-rev t-since-cxx20">(C++20 &#36215;)</span></td>
</tr>
<tr class="t-dcl t-since-cxx20">
<td>
<div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span><span class="kw4">const</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month_weekday_last</span><span class="sy3">&amp;</span> mwdl, <span class="kw4">int</span> y<span class="br0">)</span> <span class="kw1">noexcept</span><br />
&nbsp; &nbsp; <span class="sy2">-</span><span class="sy1">&gt;</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year_month_weekday_last</span><span class="sy4">;</span></span></div>
</td>
<td>(40)</td>
<td><span class="t-mark-rev t-since-cxx20">(C++20 &#36215;)</span></td>
</tr>
<tr class="t-dcl-sep">
<td></td>
<td></td>
<td></td>
</tr>
</tbody>
</table>
<p>&#36825;&#20123; <code>operator/</code> &#20026;&#21019;&#24314;&#26684;&#37324;&#39640;&#21033;&#21382;&#26085;&#26399;&#25552;&#20379;&#32422;&#23450;&#35821;&#27861;&#12290;</p>
<p>&#23545;&#20110;&#21019;&#24314;&#23436;&#25972;&#26085;&#26399;&#65292;&#20219;&#20309;&#19979;&#21015;&#19977;&#31181;&#39034;&#24207;&#37117;&#21487;&#25509;&#21463;&#65306;</p>
<ul>
<li><i><code>year/month/day</code></i></li>
<li><i><code>month/day/year</code></i></li>
<li><i><code>day/month/year</code></i></li>
</ul>
<p>&#27599;&#31181;&#24773;&#20917;&#20013;&#65292;&#33021;&#20197;&#19979;&#21015;&#20043;&#19968;&#26367;&#25442; <i><code>day</code></i> &#65306;</p>
<ul>
<li><span class="t-lc">std::chrono::last</span> &#65292;&#23545;&#20110;&#26376;&#30340;&#26368;&#21518;&#19968;&#26085;&#65307;</li>
<li><code><i>weekday</i>[<i>i</i>]</code> &#65292;&#23545;&#20110;&#26376;&#30340;&#31532; <i>i</i> &#20010; <i>weekday</i> &#65307;</li>
<li><code><i>weekday</i>[<span class="t-lc">std::chrono::last</span>]</code> &#65292;&#23545;&#20110;&#35813;&#26376;&#30340;&#26368;&#21518;&#19968;&#20010; <i>weekday</i> &#12290;</li>
</ul>
<p>&#33509;&#21333;&#32431;&#30340;&#25972;&#25968;&#30340;&#21547;&#20041;&#30456;&#23545;&#20110;&#20854;&#20182;&#36816;&#31639;&#25968;&#30340;&#31867;&#22411;&#26080;&#27495;&#20041;&#65292;&#21017;&#21487;&#25509;&#21463;&#23427;&#65306;&#20801;&#35768; <span class="t-c"><span class="mw-geshi cpp source-cpp">2005y<span class="sy2">/</span><span class="nu0">4</span><span class="sy2">/</span><span class="nu0">5</span></span></span> &#65292;&#20294;&#19981;&#20801;&#35768; <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="nu0">5</span><span class="sy2">/</span>April<span class="sy2">/</span><span class="nu0">2005</span></span></span> &#12290;</p>
<p>&#33021;&#22815;&#19981;&#20197;&#19977;&#31181;&#39034;&#24207;&#20043;&#19968;&#24212;&#29992;&#31532;&#20108;&#20010; <code>operator/</code> &#21019;&#24314;&#37096;&#20998;&#26085;&#26399;&#31867;&#22411;&#65288; <a href="cpp-chrono-year_month.html"><tt>year_month</tt></a> &#12289; <a href="cpp-chrono-month_day.html"><tt>month_day</tt></a> &#31561;&#65289;&#12290;</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> <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">year_month</span><span class="br0">(</span>y, m<span class="br0">)</span></span></span></div>
<div class="t-li1"><span class="t-li">2)</span> <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">year_month</span><span class="br0">(</span>y, std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month</span><span class="br0">(</span>m<span class="br0">)</span><span class="br0">)</span></span></span></div>
<div class="t-li1"><span class="t-li">3,6)</span> <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">month_day</span><span class="br0">(</span>m, d<span class="br0">)</span></span></span></div>
<div class="t-li1"><span class="t-li">4)</span> <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">month_day</span><span class="br0">(</span>m, std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">day</span><span class="br0">(</span>d<span class="br0">)</span><span class="br0">)</span></span></span></div>
<div class="t-li1"><span class="t-li">5,7)</span> <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">month_day</span><span class="br0">(</span>std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month</span><span class="br0">(</span>m<span class="br0">)</span>, d<span class="br0">)</span></span></span></div>
<div class="t-li1"><span class="t-li">8,10)</span> <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">month_day_last</span><span class="br0">(</span>m<span class="br0">)</span></span></span></div>
<div class="t-li1"><span class="t-li">9,11)</span> <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">month_day_last</span><span class="br0">(</span>std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month</span><span class="br0">(</span>m<span class="br0">)</span><span class="br0">)</span></span></span></div>
<div class="t-li1"><span class="t-li">12,14)</span> <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">month_weekday</span><span class="br0">(</span>m, wdi<span class="br0">)</span></span></span></div>
<div class="t-li1"><span class="t-li">13,15)</span> <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">month_weekday</span><span class="br0">(</span>std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month</span><span class="br0">(</span>m<span class="br0">)</span>, wdi<span class="br0">)</span></span></span></div>
<div class="t-li1"><span class="t-li">16,18)</span> <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">month_weekday_last</span><span class="br0">(</span>m, wdl<span class="br0">)</span></span></span></div>
<div class="t-li1"><span class="t-li">17,19)</span> <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">month_weekday_last</span><span class="br0">(</span>std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month</span><span class="br0">(</span>m<span class="br0">)</span>, wdl<span class="br0">)</span></span></span></div>
<div class="t-li1"><span class="t-li">20)</span> <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">year_month_day</span><span class="br0">(</span>ym.<span class="me1">year</span><span class="br0">(</span><span class="br0">)</span>, ym.<span class="me1">month</span><span class="br0">(</span><span class="br0">)</span>, d<span class="br0">)</span></span></span></div>
<div class="t-li1"><span class="t-li">21)</span> <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">year_month_day</span><span class="br0">(</span>ym.<span class="me1">year</span><span class="br0">(</span><span class="br0">)</span>, ym.<span class="me1">month</span><span class="br0">(</span><span class="br0">)</span>, std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">day</span><span class="br0">(</span>d<span class="br0">)</span><span class="br0">)</span></span></span></div>
<div class="t-li1"><span class="t-li">22,24)</span> <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">year_month_day</span><span class="br0">(</span>y, md.<span class="me1">month</span><span class="br0">(</span><span class="br0">)</span>, md.<span class="me1">day</span><span class="br0">(</span><span class="br0">)</span><span class="br0">)</span></span></span></div>
<div class="t-li1"><span class="t-li">23,25)</span> <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">year_month_day</span><span class="br0">(</span>std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year</span><span class="br0">(</span>y<span class="br0">)</span>, md.<span class="me1">month</span><span class="br0">(</span><span class="br0">)</span>, md.<span class="me1">day</span><span class="br0">(</span><span class="br0">)</span><span class="br0">)</span></span></span></div>
<div class="t-li1"><span class="t-li">26)</span> <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">year_month_day_last</span><span class="br0">(</span>ym.<span class="me1">year</span><span class="br0">(</span><span class="br0">)</span>, std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month_day_last</span><span class="br0">(</span>ym.<span class="me1">month</span><span class="br0">(</span><span class="br0">)</span><span class="br0">)</span><span class="br0">)</span></span></span></div>
<div class="t-li1"><span class="t-li">27,29)</span> <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">year_month_day_last</span><span class="br0">(</span>y, mdl<span class="br0">)</span></span></span></div>
<div class="t-li1"><span class="t-li">28,30)</span> <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">year_month_day_last</span><span class="br0">(</span>std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year</span><span class="br0">(</span>y<span class="br0">)</span>, mdl<span class="br0">)</span></span></span></div>
<div class="t-li1"><span class="t-li">31)</span> <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">year_month_weekday</span><span class="br0">(</span>ym.<span class="me1">year</span><span class="br0">(</span><span class="br0">)</span>, ym.<span class="me1">month</span><span class="br0">(</span><span class="br0">)</span>, wdi<span class="br0">)</span></span></span></div>
<div class="t-li1"><span class="t-li">32,34)</span> <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">year_month_weekday</span><span class="br0">(</span>y, mwd.<span class="me1">month</span><span class="br0">(</span><span class="br0">)</span>, mwd.<span class="me1">weekday_indexed</span><span class="br0">(</span><span class="br0">)</span><span class="br0">)</span></span></span></div>
<div class="t-li1"><span class="t-li">33,35)</span> <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">year_month_weekday</span><span class="br0">(</span>std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year</span><span class="br0">(</span>y<span class="br0">)</span>, mwd.<span class="me1">month</span><span class="br0">(</span><span class="br0">)</span>, mwd.<span class="me1">weekday_indexed</span><span class="br0">(</span><span class="br0">)</span><span class="br0">)</span></span></span></div>
<div class="t-li1"><span class="t-li">36)</span> <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">year_month_weekday_last</span><span class="br0">(</span>ym.<span class="me1">year</span><span class="br0">(</span><span class="br0">)</span>, ym.<span class="me1">month</span><span class="br0">(</span><span class="br0">)</span>, wdl<span class="br0">)</span></span></span></div>
<div class="t-li1"><span class="t-li">37,39)</span> <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">year_month_weekday_last</span><span class="br0">(</span>y, mwdl.<span class="me1">month</span><span class="br0">(</span><span class="br0">)</span>, mwdl.<span class="me1">weekday_last</span><span class="br0">(</span><span class="br0">)</span><span class="br0">)</span></span></span></div>
<div class="t-li1"><span class="t-li">38,40)</span> <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">year_month_weekday_last</span><span class="br0">(</span>std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year</span><span class="br0">(</span>y<span class="br0">)</span>, mwdl.<span class="me1">month</span><span class="br0">(</span><span class="br0">)</span>, mwdl.<span class="me1">weekday_last</span><span class="br0">(</span><span class="br0">)</span><span class="br0">)</span></span></span></div>
<h3><span class="mw-headline" id=".E7.A4.BA.E4.BE.8B">&#31034;&#20363;</span></h3>
<div class="t-example">
<div class="t-example-live-link"></div>
<div dir="ltr" class="mw-geshi" style="text-align: left;">
<div class="cpp source-cpp">
<pre class="de1"><span class="co2">#include &lt;iostream&gt;</span>
<span class="co2">#include &lt;chrono&gt;</span>
<span class="kw1">using</span> <span class="kw1">namespace</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">;</span>
<span class="kw4">int</span> main<span class="br0">(</span><span class="br0">)</span>
<span class="br0">{</span>
<a href="cpp-io-cout.html"><span class="kw1758">std::<span class="me2">cout</span></span></a> <span class="sy1">&lt;&lt;</span> <a href="cpp-io-manip-boolalpha.html"><span class="kw1764">std::<span class="me2">boolalpha</span></span></a><span class="sy4">;</span>
<span class="co1">// &#26631;&#20934;&#25552;&#20379; 2021y &#20316;&#20026; std::chrono::year(2021) &#30340;&#22791;&#36873;</span>
<span class="co1">// &#26631;&#20934;&#25552;&#20379; 15d &#20316;&#20026; std::chrono::day(15) &#30340;&#22791;&#36873;</span>
<span class="kw4">constexpr</span> <span class="kw4">auto</span> ym <span class="br0">{</span>year<span class="br0">(</span><span class="nu0">2021</span><span class="br0">)</span><span class="sy2">/</span><span class="nu0">8</span><span class="br0">}</span><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="br0">(</span>ym <span class="sy1">==</span> year_month<span class="br0">(</span>year<span class="br0">(</span><span class="nu0">2021</span><span class="br0">)</span>, August<span class="br0">)</span><span class="br0">)</span> <span class="sy1">&lt;&lt;</span> <span class="st0">&#39; &#39;</span><span class="sy4">;</span>
<span class="kw4">constexpr</span> <span class="kw4">auto</span> md <span class="br0">{</span><span class="nu0">9</span><span class="sy2">/</span>day<span class="br0">(</span><span class="nu0">15</span><span class="br0">)</span><span class="br0">}</span><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="br0">(</span>md <span class="sy1">==</span> month_day<span class="br0">(</span>September, day<span class="br0">(</span><span class="nu0">15</span><span class="br0">)</span><span class="br0">)</span><span class="br0">)</span> <span class="sy1">&lt;&lt;</span> <span class="st0">&#39; &#39;</span><span class="sy4">;</span>
<span class="kw4">constexpr</span> <span class="kw4">auto</span> mdl <span class="br0">{</span>October<span class="sy2">/</span>last<span class="br0">}</span><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="br0">(</span>mdl <span class="sy1">==</span> month_day_last<span class="br0">(</span>month<span class="br0">(</span><span class="nu0">10</span><span class="br0">)</span><span class="br0">)</span><span class="br0">)</span> <span class="sy1">&lt;&lt;</span> <span class="st0">&#39; &#39;</span><span class="sy4">;</span>
<span class="kw4">constexpr</span> <span class="kw4">auto</span> mw <span class="br0">{</span><span class="nu0">11</span><span class="sy2">/</span>Monday<span class="br0">[</span><span class="nu0">3</span><span class="br0">]</span><span class="br0">}</span><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="br0">(</span>mw <span class="sy1">==</span> month_weekday<span class="br0">(</span>November, Monday<span class="br0">[</span><span class="nu0">3</span><span class="br0">]</span><span class="br0">)</span><span class="br0">)</span> <span class="sy1">&lt;&lt;</span> <span class="st0">&#39; &#39;</span><span class="sy4">;</span>
<span class="kw4">constexpr</span> <span class="kw4">auto</span> mwdl <span class="br0">{</span>December<span class="sy2">/</span>Sunday<span class="br0">[</span>last<span class="br0">]</span><span class="br0">}</span><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="br0">(</span>mwdl <span class="sy1">==</span> month_weekday_last<span class="br0">(</span>month<span class="br0">(</span><span class="nu0">12</span><span class="br0">)</span>, weekday_last<span class="br0">(</span>Sunday<span class="br0">)</span><span class="br0">)</span><span class="br0">)</span> <span class="sy1">&lt;&lt;</span> <span class="st0">&#39; &#39;</span><span class="sy4">;</span>
<span class="kw4">constexpr</span> <span class="kw4">auto</span> ymd <span class="br0">{</span>year<span class="br0">(</span><span class="nu0">2021</span><span class="br0">)</span><span class="sy2">/</span>January<span class="sy2">/</span>day<span class="br0">(</span><span class="nu0">23</span><span class="br0">)</span><span class="br0">}</span><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="br0">(</span>ymd <span class="sy1">==</span> year_month_day<span class="br0">(</span>2021y, month<span class="br0">(</span>January<span class="br0">)</span>, 23d<span class="br0">)</span><span class="br0">)</span> <span class="sy1">&lt;&lt;</span> <span class="st0">&#39;<span class="es1">\n</span>&#39;</span><span class="sy4">;</span>
<span class="br0">}</span></pre></div>
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<p>&#36755;&#20986;&#65306;</p>
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<pre class="de1">true true true true true true</pre></div>
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