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<title>std::bitset&lt;N&gt;::operator&amp;=,|=,^=,~</title>
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<h1 id="firstHeading" class="firstHeading"><span style="font-size:0.7em; line-height:130%">std::bitset&lt;N&gt;::</span>operator&amp;=,|=,^=,~</h1>
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<div id="contentSub"><span class="subpages">&lt; <a href="cpp.html">cpp</a>&lrm; | <a href="cpp-utility.html">utility</a>&lrm; | <a href="cpp-utility-bitset.html">bitset</a></span></div>
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<td rowspan="142">(1)</td>
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<div><span class="mw-geshi cpp source-cpp">bitset<span class="sy3">&amp;</span> operator<span class="sy3">&amp;</span><span class="sy1">=</span><span class="br0">(</span> <span class="kw4">const</span> bitset<span class="sy3">&amp;</span> other <span class="br0">)</span><span class="sy4">;</span></span></div>
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<td><span class="t-mark-rev t-until-cxx11">(C++11 &#21069;)</span></td>
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<div><span class="mw-geshi cpp source-cpp">bitset<span class="sy3">&amp;</span> operator<span class="sy3">&amp;</span><span class="sy1">=</span><span class="br0">(</span> <span class="kw4">const</span> bitset<span class="sy3">&amp;</span> other <span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span></span></div>
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<td><span class="t-mark-rev t-since-cxx11">(C++11 &#36215;)</span></td>
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<td rowspan="142">(2)</td>
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<div><span class="mw-geshi cpp source-cpp">bitset<span class="sy3">&amp;</span> operator<span class="sy3">|</span><span class="sy1">=</span><span class="br0">(</span> <span class="kw4">const</span> bitset<span class="sy3">&amp;</span> other <span class="br0">)</span><span class="sy4">;</span></span></div>
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<td><span class="t-mark-rev t-until-cxx11">(C++11 &#21069;)</span></td>
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<div><span class="mw-geshi cpp source-cpp">bitset<span class="sy3">&amp;</span> operator<span class="sy3">|</span><span class="sy1">=</span><span class="br0">(</span> <span class="kw4">const</span> bitset<span class="sy3">&amp;</span> other <span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span></span></div>
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<td><span class="t-mark-rev t-since-cxx11">(C++11 &#36215;)</span></td>
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<td rowspan="142">(3)</td>
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<div><span class="mw-geshi cpp source-cpp">bitset<span class="sy3">&amp;</span> operator<span class="sy3">^</span><span class="sy1">=</span><span class="br0">(</span> <span class="kw4">const</span> bitset<span class="sy3">&amp;</span> other <span class="br0">)</span><span class="sy4">;</span></span></div>
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<td><span class="t-mark-rev t-until-cxx11">(C++11 &#21069;)</span></td>
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<div><span class="mw-geshi cpp source-cpp">bitset<span class="sy3">&amp;</span> operator<span class="sy3">^</span><span class="sy1">=</span><span class="br0">(</span> <span class="kw4">const</span> bitset<span class="sy3">&amp;</span> other <span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span></span></div>
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<td><span class="t-mark-rev t-since-cxx11">(C++11 &#36215;)</span></td>
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<td rowspan="142">(4)</td>
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<div><span class="mw-geshi cpp source-cpp">bitset operator~<span class="br0">(</span><span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span></span></div>
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<td><span class="t-mark-rev t-until-cxx11">(C++11 &#21069;)</span></td>
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<div><span class="mw-geshi cpp source-cpp">bitset operator~<span class="br0">(</span><span class="br0">)</span> <span class="kw4">const</span> <span class="kw1">noexcept</span><span class="sy4">;</span></span></div>
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<td><span class="t-mark-rev t-since-cxx11">(C++11 &#36215;)</span></td>
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<p>&#36827;&#34892;&#20108;&#36827;&#21046;&#19982;&#12289;&#25110;&#12289;&#24322;&#25110;&#21450;&#38750;&#12290;</p>
<div class="t-li1"><span class="t-li">1)</span> &#35774;&#32622;&#20301;&#20026; <code>*this</code> &#19982; <code>other</code> &#30340;&#20301;&#30340;&#23545;&#24212;&#23545;&#19978;&#20108;&#36827;&#21046;&#19982;&#30340;&#32467;&#26524;&#12290;</div>
<div class="t-li1"><span class="t-li">2)</span> &#35774;&#32622;&#20301;&#20026; <code>*this</code> &#19982; <code>other</code> &#30340;&#20301;&#30340;&#23545;&#24212;&#23545;&#19978;&#20108;&#36827;&#21046;&#25110;&#30340;&#32467;&#26524;&#12290;</div>
<div class="t-li1"><span class="t-li">3)</span> &#35774;&#32622;&#20301;&#20026; <code>*this</code> &#19982; <code>other</code> &#30340;&#20301;&#30340;&#23545;&#24212;&#23545;&#19978;&#20108;&#36827;&#21046;&#24322;&#25110;&#30340;&#32467;&#26524;&#12290;</div>
<div class="t-li1"><span class="t-li">4)</span> &#36820;&#22238;&#32763;&#36716;&#25152;&#26377;&#20301;&#30340; <code>*this</code> &#30340;&#20020;&#26102;&#21103;&#26412;&#65288;&#20108;&#36827;&#21046;&#38750;&#65289;&#12290;</div>
<p>&#27880;&#24847; <code>&amp;=</code>&#12289; <code>|=</code> &#21644; <code>^=</code> &#20165;&#23545;&#25317;&#26377;&#30456;&#21516;&#22823;&#23567; <code>N</code> &#30340; bitset &#23450;&#20041;&#12290;</p>
<h3><span class="mw-headline" id=".E5.8F.82.E6.95.B0">&#21442;&#25968;</span></h3>
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<td>other</td>
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<td>&#21478;&#19968; bitset</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">1-3)</span> <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="sy2">*</span>this</span></span> &#12290;</div>
<div class="t-li1"><span class="t-li">4)</span> <span class="t-c"><span class="mw-geshi cpp source-cpp"><a href="cpp-utility-bitset.html"><span class="kw1027">std::<span class="me2">bitset</span></span></a><span class="sy1">&lt;</span>N<span class="sy1">&gt;</span><span class="br0">(</span><span class="sy2">*</span>this<span class="br0">)</span>.<span class="me1">flip</span><span class="br0">(</span><span class="br0">)</span></span></span> &#12290;</div>
<h3><span class="mw-headline" id=".E7.A4.BA.E4.BE.8B">&#31034;&#20363;</span></h3>
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<pre class="de1"><span class="co2">#include &lt;iostream&gt;</span>
<span class="co2">#include &lt;string&gt;</span>
<span class="co2">#include &lt;bitset&gt;</span>
<span class="kw4">int</span> main<span class="br0">(</span><span class="br0">)</span>
<span class="br0">{</span>
<span class="kw4">const</span> <a href="cpp-string-basic_string.html"><span class="kw1230">std::<span class="me2">string</span></span></a> pattern_str<span class="br0">{</span><span class="st0">&quot;1001&quot;</span><span class="br0">}</span><span class="sy4">;</span>
<a href="cpp-utility-bitset.html"><span class="kw1027">std::<span class="me2">bitset</span></span></a><span class="sy1">&lt;</span><span class="nu0">16</span><span class="sy1">&gt;</span> pattern<span class="br0">{</span>pattern_str<span class="br0">}</span>, dest<span class="sy4">;</span>
<span class="kw1">for</span> <span class="br0">(</span><a href="cpp-types-size_t.html"><span class="kw100">std::<span class="me2">size_t</span></span></a> i <span class="sy1">=</span> dest.<span class="me1">size</span><span class="br0">(</span><span class="br0">)</span><span class="sy2">/</span>pattern_str.<span class="me1">size</span><span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span> i <span class="sy3">!</span><span class="sy1">=</span> <span class="nu0">0</span><span class="sy4">;</span> <span class="sy2">--</span>i<span class="br0">)</span> <span class="br0">{</span>
dest <span class="sy1">&lt;&lt;=</span> pattern_str.<span class="me1">size</span><span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span>
dest <span class="sy3">|</span><span class="sy1">=</span> pattern<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> dest <span class="sy1">&lt;&lt;</span> <span class="st0">&quot; (i = &quot;</span> <span class="sy1">&lt;&lt;</span> i <span class="sy1">&lt;&lt;</span> <span class="st0">&quot;)<span class="es1">\n</span>&quot;</span><span class="sy4">;</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> ~dest <span class="sy1">&lt;&lt;</span> <span class="st0">&quot; (~dest)<span class="es1">\n</span>&quot;</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">0000000000001001 (i = 4)
0000000010011001 (i = 3)
0000100110011001 (i = 2)
1001100110011001 (i = 1)
0110011001100110 (~dest)</pre></div>
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<h3><span class="mw-headline" id=".E5.8F.82.E9.98.85">&#21442;&#38405;</span></h3>
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<div><a href="cpp-utility-bitset-operator_ltltgtgt.html"><span class="t-lines"><span>operator&lt;&lt;=</span><span>operator&gt;&gt;=</span><span>operator&lt;&lt;</span><span>operator&gt;&gt;</span></span></a></div>
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<td>&#36827;&#34892;&#20108;&#36827;&#21046;&#24038;&#31227;&#21644;&#21491;&#31227;<br />
<span class="t-mark">(&#20844;&#24320;&#25104;&#21592;&#20989;&#25968;)</span></td>
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