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<h1 id="firstHeading" class="firstHeading"><span style="font-size:0.7em; line-height:130%">std::pmr::</span>operator==, <span style="font-size:0.7em; line-height:130%">std::pmr::</span>operator!=</h1>
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<div id="contentSub"><span class="subpages">&lt; <a href="cpp.html">cpp</a>&lrm; | <a href="cpp-memory.html">memory</a>&lrm; | <a href="cpp-memory-memory_resource.html">memory resource</a></span></div>
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<div>&#23450;&#20041;&#20110;&#22836;&#25991;&#20214; <code><a href="cpp-header-memory_resource.html">&lt;memory_resource&gt;</a></code></div>
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<div><span class="mw-geshi cpp source-cpp"><span class="kw4">bool</span> operator<span class="sy1">==</span><span class="br0">(</span> <span class="kw4">const</span> <a href="cpp-memory-memory_resource.html"><span class="kw708">std::<span class="me2">pmr</span><span class="sy4">::</span><span class="me2">memory_resource</span></span></a><span class="sy3">&amp;</span> a,<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<span class="kw4">const</span> <a href="cpp-memory-memory_resource.html"><span class="kw708">std::<span class="me2">pmr</span><span class="sy4">::</span><span class="me2">memory_resource</span></span></a><span class="sy3">&amp;</span> b <span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span></span></div>
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<td>(1)</td>
<td><span class="t-mark-rev t-since-cxx17">(C++17 &#36215;)</span></td>
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<div><span class="mw-geshi cpp source-cpp"><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-memory-memory_resource.html"><span class="kw708">std::<span class="me2">pmr</span><span class="sy4">::</span><span class="me2">memory_resource</span></span></a><span class="sy3">&amp;</span> a,<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<span class="kw4">const</span> <a href="cpp-memory-memory_resource.html"><span class="kw708">std::<span class="me2">pmr</span><span class="sy4">::</span><span class="me2">memory_resource</span></span></a><span class="sy3">&amp;</span> b <span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span></span></div>
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<td>(2)</td>
<td><span class="t-mark-rev t-since-cxx17">(C++17 &#36215;)</span><br />
<span class="t-mark-rev t-until-cxx20">(C++20 &#21069;)</span></td>
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<p>&#27604;&#36739; <code>memory_resource</code> <code>a</code> &#19982; <code>b</code> &#30340;&#30456;&#31561;&#24615;&#12290;&#20108;&#20010; <code>memory_resource</code> &#27604;&#36739;&#30456;&#31561;&#65292;&#24403;&#19988;&#20165;&#24403;&#20174;&#19968;&#20010; <code>memory_resource</code> &#20998;&#37197;&#30340;&#20869;&#23384;&#33021;&#20174;&#21478;&#19968;&#20010;&#35299;&#20998;&#37197;&#65292;&#21453;&#20043;&#20134;&#28982;&#12290;</p>
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<p><code>!=</code> &#36816;&#31639;&#31526;&#20174; <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>
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<td><span class="t-mark-rev t-since-cxx20">(C++20 &#36215;)</span></td>
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<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"><span class="sy3">&amp;</span>a <span class="sy1">==</span> <span class="sy3">&amp;</span>b <span class="sy3">||</span> a.<span class="me1">is_equal</span><span class="br0">(</span>b<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"><span class="sy3">!</span><span class="br0">(</span>a <span class="sy1">==</span> b<span class="br0">)</span></span></span></div>
<h3><span class="mw-headline" id=".E5.8F.82.E9.98.85">&#21442;&#38405;</span></h3>
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<div><a href="cpp-memory-memory_resource-is_equal.html"><span class="t-lines"><span>is_equal</span></span></a></div>
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<td>&#19982;&#21478;&#19968; <code>memory_resource</code> &#27604;&#36739;&#30456;&#31561;<br />
<span class="t-mark">(&#20844;&#24320;&#25104;&#21592;&#20989;&#25968;)</span></td>
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