klarkxy/hustoj
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity
Files
196e706fe41f737f31d8617ead8fe566aa616329
hustoj/web/cppreference-zh/chmhelp/cpp-container-deque-operator_cmp.html
klarkxy 196e706fe4 上传cppreference
2025-08-01 12:57:54 +08:00

214 lines
27 KiB
HTML
Raw Blame History

<!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>operator==,!=,&lt;,&lt;=,&gt;,&gt;=,&lt;=&gt;(std::deque)</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_container_deque_operator_cmp skin-cppreference2 action-view cpp-page-template cpp-navbar">
<div id="cpp-content-base">
<div id="content"><a id="top"></a>
<h1 id="firstHeading" class="firstHeading">operator==,!=,&lt;,&lt;=,&gt;,&gt;=,&lt;=&gt;<span style="font-size:0.7em; line-height:130%">(std::deque)</span></h1>
<div id="bodyContent">
<div id="contentSub"><span class="subpages">&lt; <a href="cpp.html">cpp</a>&lrm; | <a href="cpp-container.html">container</a>&lrm; | <a href="cpp-container-deque.html">deque</a></span></div>
<div id="mw-content-text" lang="zh" dir="ltr" class="mw-content-ltr" xml:lang="zh">
<div class="t-page-template" style="">
<p></p>
</div>
<table class="t-dcl-begin">
<tbody>
<tr class="t-dsc-header">
<td>
<div>&#23450;&#20041;&#20110;&#22836;&#25991;&#20214; <code><a href="cpp-header-deque.html">&lt;deque&gt;</a></code></div>
</td>
<td></td>
<td></td>
</tr>
<tr class="t-dcl">
<td>
<div><span class="mw-geshi cpp source-cpp"><span class="kw1">template</span><span class="sy1">&lt;</span> <span class="kw1">class</span> T, <span class="kw1">class</span> Alloc <span class="sy1">&gt;</span><br /></span>
<p><span class="kw4">bool</span> operator<span class="sy1">==</span><span class="br0">(</span> <span class="kw4">const</span> <a href="cpp-container-deque.html"><span class="kw1271">std::<span class="me2">deque</span></span></a><span class="sy1">&lt;</span>T,Alloc<span class="sy1">&gt;</span><span class="sy3">&amp;</span> lhs,<br /></p>
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<span class="kw4">const</span> <a href="cpp-container-deque.html"><span class="kw1271">std::<span class="me2">deque</span></span></a><span class="sy1">&lt;</span>T,Alloc<span class="sy1">&gt;</span><span class="sy3">&amp;</span> rhs <span class="br0">)</span><span class="sy4">;</span></div>
</td>
<td>(1)</td>
<td class="t-dcl-nopad"></td>
</tr>
<tr class="t-dcl t-until-cxx20">
<td>
<div><span class="mw-geshi cpp source-cpp"><span class="kw1">template</span><span class="sy1">&lt;</span> <span class="kw1">class</span> T, <span class="kw1">class</span> Alloc <span class="sy1">&gt;</span><br /></span>
<p><span class="kw4">bool</span> operator<span class="sy3">!</span><span class="sy1">=</span><span class="br0">(</span> <span class="kw4">const</span> <a href="cpp-container-deque.html"><span class="kw1271">std::<span class="me2">deque</span></span></a><span class="sy1">&lt;</span>T,Alloc<span class="sy1">&gt;</span><span class="sy3">&amp;</span> lhs,<br /></p>
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<span class="kw4">const</span> <a href="cpp-container-deque.html"><span class="kw1271">std::<span class="me2">deque</span></span></a><span class="sy1">&lt;</span>T,Alloc<span class="sy1">&gt;</span><span class="sy3">&amp;</span> rhs <span class="br0">)</span><span class="sy4">;</span></div>
</td>
<td>(2)</td>
<td><span class="t-mark-rev t-until-cxx20">(C++20 &#21069;)</span></td>
</tr>
<tr class="t-dcl t-until-cxx20">
<td>
<div><span class="mw-geshi cpp source-cpp"><span class="kw1">template</span><span class="sy1">&lt;</span> <span class="kw1">class</span> T, <span class="kw1">class</span> Alloc <span class="sy1">&gt;</span><br /></span>
<p><span class="kw4">bool</span> operator<span class="sy1">&lt;</span><span class="br0">(</span> <span class="kw4">const</span> <a href="cpp-container-deque.html"><span class="kw1271">std::<span class="me2">deque</span></span></a><span class="sy1">&lt;</span>T,Alloc<span class="sy1">&gt;</span><span class="sy3">&amp;</span> lhs,<br /></p>
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class="kw4">const</span> <a href="cpp-container-deque.html"><span class="kw1271">std::<span class="me2">deque</span></span></a><span class="sy1">&lt;</span>T,Alloc<span class="sy1">&gt;</span><span class="sy3">&amp;</span> rhs <span class="br0">)</span><span class="sy4">;</span></div>
</td>
<td>(3)</td>
<td><span class="t-mark-rev t-until-cxx20">(C++20 &#21069;)</span></td>
</tr>
<tr class="t-dcl t-until-cxx20">
<td>
<div><span class="mw-geshi cpp source-cpp"><span class="kw1">template</span><span class="sy1">&lt;</span> <span class="kw1">class</span> T, <span class="kw1">class</span> Alloc <span class="sy1">&gt;</span><br /></span>
<p><span class="kw4">bool</span> operator<span class="sy1">&lt;=</span><span class="br0">(</span> <span class="kw4">const</span> <a href="cpp-container-deque.html"><span class="kw1271">std::<span class="me2">deque</span></span></a><span class="sy1">&lt;</span>T,Alloc<span class="sy1">&gt;</span><span class="sy3">&amp;</span> lhs,<br /></p>
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<span class="kw4">const</span> <a href="cpp-container-deque.html"><span class="kw1271">std::<span class="me2">deque</span></span></a><span class="sy1">&lt;</span>T,Alloc<span class="sy1">&gt;</span><span class="sy3">&amp;</span> rhs <span class="br0">)</span><span class="sy4">;</span></div>
</td>
<td>(4)</td>
<td><span class="t-mark-rev t-until-cxx20">(C++20 &#21069;)</span></td>
</tr>
<tr class="t-dcl t-until-cxx20">
<td>
<div><span class="mw-geshi cpp source-cpp"><span class="kw1">template</span><span class="sy1">&lt;</span> <span class="kw1">class</span> T, <span class="kw1">class</span> Alloc <span class="sy1">&gt;</span><br /></span>
<p><span class="kw4">bool</span> operator<span class="sy1">&gt;</span><span class="br0">(</span> <span class="kw4">const</span> <a href="cpp-container-deque.html"><span class="kw1271">std::<span class="me2">deque</span></span></a><span class="sy1">&lt;</span>T,Alloc<span class="sy1">&gt;</span><span class="sy3">&amp;</span> lhs,<br /></p>
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class="kw4">const</span> <a href="cpp-container-deque.html"><span class="kw1271">std::<span class="me2">deque</span></span></a><span class="sy1">&lt;</span>T,Alloc<span class="sy1">&gt;</span><span class="sy3">&amp;</span> rhs <span class="br0">)</span><span class="sy4">;</span></div>
</td>
<td>(5)</td>
<td><span class="t-mark-rev t-until-cxx20">(C++20 &#21069;)</span></td>
</tr>
<tr class="t-dcl t-until-cxx20">
<td>
<div><span class="mw-geshi cpp source-cpp"><span class="kw1">template</span><span class="sy1">&lt;</span> <span class="kw1">class</span> T, <span class="kw1">class</span> Alloc <span class="sy1">&gt;</span><br /></span>
<p><span class="kw4">bool</span> operator<span class="sy1">&gt;=</span><span class="br0">(</span> <span class="kw4">const</span> <a href="cpp-container-deque.html"><span class="kw1271">std::<span class="me2">deque</span></span></a><span class="sy1">&lt;</span>T,Alloc<span class="sy1">&gt;</span><span class="sy3">&amp;</span> lhs,<br /></p>
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<span class="kw4">const</span> <a href="cpp-container-deque.html"><span class="kw1271">std::<span class="me2">deque</span></span></a><span class="sy1">&lt;</span>T,Alloc<span class="sy1">&gt;</span><span class="sy3">&amp;</span> rhs <span class="br0">)</span><span class="sy4">;</span></div>
</td>
<td>(6)</td>
<td><span class="t-mark-rev t-until-cxx20">(C++20 &#21069;)</span></td>
</tr>
<tr class="t-dcl t-since-cxx20">
<td>
<div><span class="mw-geshi cpp source-cpp"><span class="kw1">template</span><span class="sy1">&lt;</span> <span class="kw1">class</span> T, <span class="kw1">class</span> Alloc <span class="sy1">&gt;</span><br /></span>
<p><span class="coMULTI">/* see below */</span> operator<span class="sy1">&lt;=&gt;</span><span class="br0">(</span> <span class="kw4">const</span> <a href="cpp-container-deque.html"><span class="kw1271">std::<span class="me2">deque</span></span></a><span class="sy1">&lt;</span>T,Alloc<span class="sy1">&gt;</span><span class="sy3">&amp;</span> lhs,<br /></p>
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<span class="kw4">const</span> <a href="cpp-container-deque.html"><span class="kw1271">std::<span class="me2">deque</span></span></a><span class="sy1">&lt;</span>T,Alloc<span class="sy1">&gt;</span><span class="sy3">&amp;</span> rhs <span class="br0">)</span><span class="sy4">;</span></div>
</td>
<td>(7)</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>&#27604;&#36739;&#20108;&#20010; <code>deque</code> &#30340;&#20869;&#23481;&#12290;</p>
<div class="t-li1"><span class="t-li">1-2)</span> &#26816;&#26597; <code>lhs</code> &#19982; <code>rhs</code> &#30340;&#20869;&#23481;&#26159;&#21542;&#30456;&#31561;&#65292;&#21363;&#23427;&#20204;&#26159;&#21542;&#25317;&#26377;&#30456;&#21516;&#25968;&#37327;&#30340;&#20803;&#32032;&#19988; <code>lhs</code> &#20013;&#27599;&#20010;&#20803;&#32032;&#19982; <code>rhs</code> &#30340;&#21516;&#20301;&#32622;&#20803;&#32032;&#27604;&#36739;&#30456;&#31561;&#12290;</div>
<div class="t-li1"><span class="t-li">3-6)</span> &#25353;&#23383;&#20856;&#24207;&#27604;&#36739; <code>lhs</code> &#19982; <code>rhs</code> &#30340;&#20869;&#23481;&#12290;&#30001;&#31561;&#20215;&#20110; <span class="t-lc"><a href="cpp-algorithm-lexicographical_compare.html">std::lexicographical_compare</a></span> &#30340;&#20989;&#25968;&#36827;&#34892;&#27604;&#36739;&#12290;</div>
<div class="t-li1"><span class="t-li">7)</span> &#25353;&#23383;&#20856;&#24207;&#27604;&#36739; <code>lhs</code> &#19982; <code>rhs</code> &#30340;&#20869;&#23481;&#12290;&#22914;&#21516;&#36890;&#36807;&#22312;&#20108;&#20010; <code>deque</code> &#19978;&#20197;&#36827;&#34892;<i>&#21512;&#25104;&#19977;&#36335;&#27604;&#36739;</i>&#65288;&#35265;&#21518;&#36848;&#65289;&#30340;&#20989;&#25968;&#23545;&#35937;&#35843;&#29992; <span class="t-lc">std::lexicographical_compare_three_way</span> &#36827;&#34892;&#27604;&#36739;&#12290;&#36820;&#22238;&#31867;&#22411;&#21516;&#21512;&#25104;&#19977;&#36335;&#27604;&#36739;&#30340;&#32467;&#26524;&#31867;&#22411;&#12290;
<p>&#32473;&#23450;&#20998;&#21035;&#20316;&#20026;&#24038;&#25805;&#20316;&#25968;&#19982;&#21491;&#25805;&#20316;&#25968;&#30340;&#20004;&#20010; <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw4">const</span> E</span></span> &#24038;&#20540; <code>lhs</code> &#19982; <code>rhs</code> &#65288;&#20854;&#20013; <code>E</code> &#20026; <code>T</code> &#65289;&#65292;<i>&#21512;&#25104;&#19977;&#36335;&#27604;&#36739;</i>&#23450;&#20041;&#22914;&#19979;&#65306;</p>
<ul>
<li>&#33509; <span class="t-c"><span class="mw-geshi cpp source-cpp">std<span class="sy4">::</span><span class="me2">three_way_comparable_with</span><span class="sy1">&lt;</span>E, E<span class="sy1">&gt;</span></span></span> &#24471;&#21040;&#28385;&#36275;&#21017;&#31561;&#20215;&#20110; <span class="t-c"><span class="mw-geshi cpp source-cpp">lhs <span class="sy1">&lt;=&gt;</span> rhs</span></span> &#65307;</li>
<li>&#21542;&#21017;&#65292;&#33509;&#20197; <span class="t-c"><span class="mw-geshi cpp source-cpp">operator<span class="sy1">&lt;</span></span></span> &#27604;&#36739;&#20108;&#20010; <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw4">const</span> E</span></span> &#24038;&#20540;&#20026;&#33391;&#26500;&#19988;&#32467;&#26524;&#31867;&#22411;&#28385;&#36275; <i><a href="cpp-concepts-boolean-testable.html"><code>boolean-testable</code></a></i> &#65292;&#21017;&#31561;&#20215;&#20110;</li>
</ul>
<div dir="ltr" class="mw-geshi" style="text-align: left;">
<div class="cpp source-cpp">
<pre class="de1">lhs <span class="sy1">&lt;</span> rhs <span class="sy4">?</span> std<span class="sy4">::</span><span class="me2">weak_ordering</span><span class="sy4">::</span><span class="me2">less</span> <span class="sy4">:</span>
rhs <span class="sy1">&lt;</span> lhs <span class="sy4">?</span> std<span class="sy4">::</span><span class="me2">weak_ordering</span><span class="sy4">::</span><span class="me2">greater</span> <span class="sy4">:</span>
std<span class="sy4">::</span><span class="me2">weak_ordering</span><span class="sy4">::</span><span class="me2">equivalent</span></pre></div>
</div>
<ul>
<li>&#21542;&#21017;&#65292;&#19981;&#23450;&#20041;&#21512;&#25104;&#19977;&#36335;&#27604;&#36739;&#65292;&#32780; <span class="t-c"><span class="mw-geshi cpp source-cpp">operator<span class="sy1">&lt;=&gt;</span></span></span> &#19981;&#21442;&#19982;&#37325;&#36733;&#20915;&#35758;&#12290;</li>
</ul>
&#33509; <a href="cpp-utility-compare-three_way_comparable.html"><code>three_way_comparable_with</code></a> &#25110; <i><a href="cpp-concepts-boolean-testable.html"><code>boolean-testable</code></a></i> &#34987;&#28385;&#36275;&#20294;&#26410;&#34987;&#23454;&#29616;&#65292;&#25110;&#20351;&#29992; <span class="t-c"><span class="mw-geshi cpp source-cpp">operator<span class="sy1">&lt;</span></span></span> &#20294; <code>E</code> &#19982; <code>&lt;</code> &#19981;&#24314;&#31435;&#20840;&#24207;&#65292;&#21017; <span class="t-c"><span class="mw-geshi cpp source-cpp">operator<span class="sy1">&lt;=&gt;</span></span></span> &#30340;&#34892;&#20026;&#26410;&#23450;&#20041;&#12290;</div>
<table class="t-rev-begin">
<tr class="t-rev t-since-cxx20">
<td>
<p><code>&lt;</code>&#12289; <code>&lt;=</code>&#12289; <code>&gt;</code>&#12289; <code>&gt;=</code> &#21450; <code>!=</code> &#36816;&#31639;&#31526;&#20998;&#21035;&#20174; <code>operator&lt;=&gt;</code> &#19982; <code>operator==</code> <a href="cpp-language-operators.html#.E5.85.B3.E7.B3.BB.E8.BF.90.E7.AE.97.E7.AC.A6">&#21512;&#25104;</a>&#12290;</p>
</td>
<td><span class="t-mark-rev t-since-cxx20">(C++20 &#36215;)</span></td>
</tr>
</table>
<h3><span class="mw-headline" id=".E5.8F.82.E6.95.B0">&#21442;&#25968;</span></h3>
<table class="t-par-begin">
<tr class="t-par">
<td>lhs, rhs</td>
<td>-</td>
<td>&#35201;&#27604;&#36739;&#20869;&#23481;&#30340; <code>deque</code></td>
</tr>
<tr class="t-par-req">
<td colspan="3">-
<div class="spacer"></div>
&#20026;&#20351;&#29992;&#37325;&#36733; (1-2) &#65292; <code>T</code> &#24517;&#39035;&#28385;&#36275;<a href="cpp-named_req-EqualityComparable.html"><span style="font-style:italic">&#21487;&#30456;&#31561;&#27604;&#36739;</span> <span style="font-family: Georgia, &#39;DejaVu Serif&#39;, serif; font-style:italic">(EqualityComparable)</span></a> &#30340;&#35201;&#27714;&#12290;</td>
</tr>
<tr class="t-par-req">
<td colspan="3">-
<div class="spacer"></div>
&#20026;&#20351;&#29992;&#37325;&#36733; (3-6) &#65292; <code>T</code> &#24517;&#39035;&#28385;&#36275;<a href="cpp-named_req-LessThanComparable.html"><span style="font-style:italic">&#21487;&#23567;&#20110;&#27604;&#36739;</span> <span style="font-family: Georgia, &#39;DejaVu Serif&#39;, serif; font-style:italic">(LessThanComparable)</span></a> &#30340;&#35201;&#27714;&#12290;&#39034;&#24207;&#20851;&#31995;&#24517;&#39035;&#24314;&#31435;&#20840;&#24207;&#12290;</td>
</tr>
</table>
<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> &#33509; <code>deque</code> &#20869;&#23481;&#30456;&#31561;&#21017;&#20026; <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw2">true</span></span></span> &#65292;&#21542;&#21017;&#20026; <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw2">false</span></span></span></div>
<div class="t-li1"><span class="t-li">2)</span> &#33509; <code>deque</code> &#20869;&#23481;&#19981;&#30456;&#31561;&#21017;&#20026; <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw2">true</span></span></span> &#65292;&#21542;&#21017;&#20026; <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw2">false</span></span></span></div>
<div class="t-li1"><span class="t-li">3)</span> &#33509; <code>lhs</code> &#30340;&#20869;&#23481;&#25353;&#23383;&#20856;&#24207;<i>&#23567;&#20110;</i> <code>rhs</code> &#30340;&#20869;&#23481;&#21017;&#20026; <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw2">true</span></span></span> &#65292;&#21542;&#21017;&#20026; <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw2">false</span></span></span></div>
<div class="t-li1"><span class="t-li">4)</span> &#33509; <code>lhs</code> &#30340;&#20869;&#23481;&#25353;&#23383;&#20856;&#24207;<i>&#23567;&#20110;</i>&#25110;<i>&#31561;&#20110;</i> <code>rhs</code> &#30340;&#20869;&#23481;&#21017;&#20026; <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw2">true</span></span></span> &#65292;&#21542;&#21017;&#20026; <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw2">false</span></span></span></div>
<div class="t-li1"><span class="t-li">5)</span> &#33509; <code>lhs</code> &#30340;&#20869;&#23481;&#25353;&#23383;&#20856;&#24207;<i>&#22823;&#20110;</i> <code>rhs</code> &#30340;&#20869;&#23481;&#21017;&#20026; <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw2">true</span></span></span> &#65292;&#21542;&#21017;&#20026; <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw2">false</span></span></span></div>
<div class="t-li1"><span class="t-li">6)</span> &#33509; <code>lhs</code> &#30340;&#20869;&#23481;&#25353;&#23383;&#20856;&#24207;<i>&#22823;&#20110;</i>&#25110;<i>&#31561;&#20110;</i> <code>rhs</code> &#30340;&#20869;&#23481;&#21017;&#20026; <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw2">true</span></span></span> &#65292;&#21542;&#21017;&#20026; <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw2">false</span></span></span></div>
<div class="t-li1"><span class="t-li">7)</span> <code>lhs</code> &#19982; <code>rhs</code> &#20013;&#30340;&#39318;&#23545;&#19981;&#31561;&#20215;&#20803;&#32032;&#30340;&#30456;&#23545;&#39034;&#24207;&#65292;&#33509;&#26377;&#36825;&#31181;&#20803;&#32032;&#65307;&#21542;&#21017;&#20026; <span class="t-c"><span class="mw-geshi cpp source-cpp">lhs.<span class="me1">size</span><span class="br0">(</span><span class="br0">)</span> <span class="sy1">&lt;=&gt;</span> rhs.<span class="me1">size</span><span class="br0">(</span><span class="br0">)</span></span></span> &#12290;</div>
<h3><span class="mw-headline" id=".E5.A4.8D.E6.9D.82.E5.BA.A6">&#22797;&#26434;&#24230;</span></h3>
<div class="t-li1"><span class="t-li">1-2)</span> &#33509; <code>lhs</code> &#19982; <code>rhs</code> &#30340;&#22823;&#23567;&#19981;&#21516;&#21017;&#20026;&#24120;&#25968;&#65292;&#21542;&#21017;&#19982; <code>deque</code> &#22823;&#23567;&#25104;&#32447;&#24615;</div>
<div class="t-li1"><span class="t-li">3-7)</span> &#19982; <code>deque</code> &#22823;&#23567;&#25104;&#32447;&#24615;</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;deque&gt;</span>
<span class="kw4">int</span> main<span class="br0">(</span><span class="br0">)</span>
<span class="br0">{</span>
<a href="cpp-container-deque.html"><span class="kw1271">std::<span class="me2">deque</span></span></a><span class="sy1">&lt;</span><span class="kw4">int</span><span class="sy1">&gt;</span> alice<span class="br0">{</span><span class="nu0">1</span>, <span class="nu0">2</span>, <span class="nu0">3</span><span class="br0">}</span><span class="sy4">;</span>
<a href="cpp-container-deque.html"><span class="kw1271">std::<span class="me2">deque</span></span></a><span class="sy1">&lt;</span><span class="kw4">int</span><span class="sy1">&gt;</span> bob<span class="br0">{</span><span class="nu0">7</span>, <span class="nu0">8</span>, <span class="nu0">9</span>, <span class="nu0">10</span><span class="br0">}</span><span class="sy4">;</span>
<a href="cpp-container-deque.html"><span class="kw1271">std::<span class="me2">deque</span></span></a><span class="sy1">&lt;</span><span class="kw4">int</span><span class="sy1">&gt;</span> eve<span class="br0">{</span><span class="nu0">1</span>, <span class="nu0">2</span>, <span class="nu0">3</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> <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">// &#27604;&#36739;&#19981;&#30456;&#31561;&#30340;&#23481;&#22120;</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;alice == bob returns &quot;</span> <span class="sy1">&lt;&lt;</span> <span class="br0">(</span>alice <span class="sy1">==</span> bob<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>
<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;alice != bob returns &quot;</span> <span class="sy1">&lt;&lt;</span> <span class="br0">(</span>alice <span class="sy3">!</span><span class="sy1">=</span> bob<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>
<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;alice &lt; bob returns &quot;</span> <span class="sy1">&lt;&lt;</span> <span class="br0">(</span>alice <span class="sy1">&lt;</span> bob<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>
<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;alice &lt;= bob returns &quot;</span> <span class="sy1">&lt;&lt;</span> <span class="br0">(</span>alice <span class="sy1">&lt;=</span> bob<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>
<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;alice &gt; bob returns &quot;</span> <span class="sy1">&lt;&lt;</span> <span class="br0">(</span>alice <span class="sy1">&gt;</span> bob<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>
<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;alice &gt;= bob returns &quot;</span> <span class="sy1">&lt;&lt;</span> <span class="br0">(</span>alice <span class="sy1">&gt;=</span> bob<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>
<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">&#39;<span class="es1">\n</span>&#39;</span><span class="sy4">;</span>
<span class="co1">// &#27604;&#36739;&#30456;&#31561;&#30340;&#23481;&#22120;</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;alice == eve returns &quot;</span> <span class="sy1">&lt;&lt;</span> <span class="br0">(</span>alice <span class="sy1">==</span> eve<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>
<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;alice != eve returns &quot;</span> <span class="sy1">&lt;&lt;</span> <span class="br0">(</span>alice <span class="sy3">!</span><span class="sy1">=</span> eve<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>
<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;alice &lt; eve returns &quot;</span> <span class="sy1">&lt;&lt;</span> <span class="br0">(</span>alice <span class="sy1">&lt;</span> eve<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>
<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;alice &lt;= eve returns &quot;</span> <span class="sy1">&lt;&lt;</span> <span class="br0">(</span>alice <span class="sy1">&lt;=</span> eve<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>
<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;alice &gt; eve returns &quot;</span> <span class="sy1">&lt;&lt;</span> <span class="br0">(</span>alice <span class="sy1">&gt;</span> eve<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>
<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;alice &gt;= eve returns &quot;</span> <span class="sy1">&lt;&lt;</span> <span class="br0">(</span>alice <span class="sy1">&gt;=</span> eve<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>
</div>
<p>&#36755;&#20986;&#65306;</p>
<div dir="ltr" class="mw-geshi" style="text-align: left;">
<div class="text source-text">
<pre class="de1">alice == bob returns false
alice != bob returns true
alice &lt; bob returns true
alice &lt;= bob returns true
alice &gt; bob returns false
alice &gt;= bob returns false
alice == eve returns true
alice != eve returns false
alice &lt; eve returns false
alice &lt;= eve returns true
alice &gt; eve returns false
alice &gt;= eve returns true</pre></div>
</div>
</div>
</div>
<div class="visualClear"></div>
</div>
</div>
</div>
</body>
</html>
Reference in New Issue View Git Blame Copy Permalink