klarkxy/hustoj
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

上传cppreference

Browse Source
This commit is contained in:
klarkxy
2025-08-01 12:57:54 +08:00
parent e29892f8cd
commit 196e706fe4
5485 changed files with 982007 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

111
web/cppreference-zh/chmhelp/cpp-chrono-day-operator_inc_dec.html Normal file
View File

@@ -0,0 +1,111 @@
<!DOCTYPE html>
<html lang="zh" dir="ltr" class="client-nojs" xmlns="http://www.w3.org/1999/xhtml" xml:lang="zh">
<head><meta http-equiv="x-ua-compatible" content="ie=edge">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>std::chrono::day::operator++, std::chrono::day::operator--</title>
<link rel="stylesheet" href="ext.css" />
<link rel="stylesheet" href="site_modules.css" />
</head>
<body class="mediawiki ltr sitedir-ltr ns-0 ns-subject page-cpp_chrono_day_operator_inc_dec skin-cppreference2 action-view cpp-navbar">
<div id="cpp-content-base">
<div id="content"><a id="top"></a>
<h1 id="firstHeading" class="firstHeading"><span style="font-size:0.7em; line-height:130%">std::chrono::day::</span>operator++, <span style="font-size:0.7em; line-height:130%">std::chrono::day::</span>operator--</h1>
<div id="bodyContent">
<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-day.html">day</a></span></div>
<div id="mw-content-text" lang="zh" dir="ltr" class="mw-content-ltr" xml:lang="zh">
<table class="t-dcl-begin">
<tbody>
<tr class="t-dcl t-since-cxx20">
<td>
<div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> day<span class="sy3">&amp;</span> operator<span class="sy2">++</span><span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span></span></div>
</td>
<td>(1)</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> day operator<span class="sy2">++</span><span class="br0">(</span><span class="kw4">int</span><span class="br0">)</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>
</tr>
<tr class="t-dcl t-since-cxx20">
<td>
<div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> day<span class="sy3">&amp;</span> operator<span class="sy2">--</span><span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span></span></div>
</td>
<td>(3)</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> day operator<span class="sy2">--</span><span class="br0">(</span><span class="kw4">int</span><span class="br0">)</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-sep">
<td></td>
<td></td>
<td></td>
</tr>
</tbody>
</table>
<p>&#20174;&#26085;&#26399;&#20540;&#21152;&#25110;&#20943; 1 &#12290;</p>
<div class="t-li1"><span class="t-li">1-2)</span> &#36827;&#34892; <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="sy2">*</span>this <span class="sy2">+</span><span class="sy1">=</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">days</span><span class="br0">{</span><span class="nu0">1</span><span class="br0">}</span><span class="sy4">;</span></span></span></div>
<div class="t-li1"><span class="t-li">3-4)</span> &#36827;&#34892; <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="sy2">*</span>this <span class="sy2">-</span><span class="sy1">=</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">days</span><span class="br0">{</span><span class="nu0">1</span><span class="br0">}</span><span class="sy4">;</span></span></span></div>
<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">1,3)</span> &#21040;&#20462;&#25913;&#21518;&#30340;&#27492; <code>day</code> &#30340;&#24341;&#29992;</div>
<div class="t-li1"><span class="t-li">2,4)</span> &#20462;&#25913;&#21069;&#25152;&#20316;&#30340; <code>day</code> &#21103;&#26412;</div>
<h3><span class="mw-headline" id=".E6.B3.A8.E6.84.8F">&#27880;&#24847;</span></h3>
<p>&#33509;&#32467;&#26524;&#20250;&#22312;&#33539;&#22260; [0, 255] &#22806;&#65292;&#21017;&#23454;&#38469;&#23384;&#20648;&#20540;&#26410;&#25351;&#23450;&#12290;</p>
<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;cassert&gt;</span>
<span class="co2">#include &lt;chrono&gt;</span>
<span class="kw4">int</span> main<span class="br0">(</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> d <span class="br0">{</span><span class="nu0">15</span><span class="br0">}</span><span class="sy4">;</span>
<span class="sy2">++</span>d<span class="sy4">;</span>
<a href="cpp-error-assert.html"><span class="kw774">assert</span></a><span class="br0">(</span>d <span class="sy1">==</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">day</span><span class="br0">(</span><span class="nu0">16</span><span class="br0">)</span><span class="br0">)</span><span class="sy4">;</span>
<span class="sy2">--</span>d<span class="sy4">;</span>
<a href="cpp-error-assert.html"><span class="kw774">assert</span></a><span class="br0">(</span>d <span class="sy1">==</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">::</span><span class="me2">day</span><span class="br0">(</span><span class="nu0">15</span><span class="br0">)</span><span class="br0">)</span><span class="sy4">;</span>
<span class="br0">}</span></pre></div>
</div>
</div>
<h3><span class="mw-headline" id=".E5.8F.82.E9.98.85">&#21442;&#38405;</span></h3>
<table class="t-dsc-begin">
<tr class="t-dsc">
<td>
<div class="t-dsc-member-div">
<div><a href="cpp-chrono-day-operator_arith.html"><span class="t-lines"><span>operator+=</span><span>operator-=</span></span></a></div>
</div>
</td>
<td>&#21152;&#25110;&#20943;&#26085;&#25968;<br />
<span class="t-mark">(&#20844;&#24320;&#25104;&#21592;&#20989;&#25968;)</span></td>
</tr>
<tr class="t-dsc">
<td>
<div class="t-dsc-member-div">
<div><a href="cpp-chrono-day-operator_arith_2.html"><span class="t-lines"><span>operator+</span><span>operator-</span></span></a></div>
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div>
</div>
</td>
<td>&#21152;&#25110;&#20943;&#26085;&#25968;&#21644; <code>day</code> &#65292;&#25110;&#27714;&#20108;&#20010; <code>day</code> &#38388;&#30340;&#24046;<br />
<span class="t-mark">(&#20989;&#25968;)</span></td>
</tr>
</table>
</div>
<div class="visualClear"></div>
</div>
</div>
</div>
</body>
</html>