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<title>std::bitset&lt;N&gt;::operator&lt;&lt;,&lt;&lt;=,&gt;&gt;,&gt;&gt;=</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&lt;&lt;,&lt;&lt;=,&gt;&gt;,&gt;&gt;=</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 operator<span class="sy1">&lt;&lt;</span><span class="br0">(</span> <a href="cpp-types-size_t.html"><span class="kw100">std::<span class="me2">size_t</span></span></a> pos <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="sy1">&lt;&lt;</span><span class="br0">(</span> <a href="cpp-types-size_t.html"><span class="kw100">std::<span class="me2">size_t</span></span></a> pos <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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<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="sy1">&lt;&lt;=</span><span class="br0">(</span> <a href="cpp-types-size_t.html"><span class="kw100">std::<span class="me2">size_t</span></span></a> pos <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="sy1">&lt;&lt;=</span><span class="br0">(</span> <a href="cpp-types-size_t.html"><span class="kw100">std::<span class="me2">size_t</span></span></a> pos <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 operator<span class="sy1">&gt;&gt;</span><span class="br0">(</span> <a href="cpp-types-size_t.html"><span class="kw100">std::<span class="me2">size_t</span></span></a> pos <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="sy1">&gt;&gt;</span><span class="br0">(</span> <a href="cpp-types-size_t.html"><span class="kw100">std::<span class="me2">size_t</span></span></a> pos <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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<td rowspan="142">(4)</td>
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<div><span class="mw-geshi cpp source-cpp">bitset<span class="sy3">&amp;</span> operator<span class="sy1">&gt;&gt;=</span><span class="br0">(</span> <a href="cpp-types-size_t.html"><span class="kw100">std::<span class="me2">size_t</span></span></a> pos <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="sy1">&gt;&gt;=</span><span class="br0">(</span> <a href="cpp-types-size_t.html"><span class="kw100">std::<span class="me2">size_t</span></span></a> pos <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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<p>&#36827;&#34892;&#20108;&#36827;&#21046;&#24038;&#31227;&#21644;&#20108;&#36827;&#21046;&#21491;&#31227;&#12290;&#31227;&#20837;&#38646;&#12290;</p>
<div class="t-li1"><span class="t-li">1-2)</span> &#36827;&#34892;&#20108;&#36827;&#21046;&#24038;&#31227;&#12290; <span class="t-v">(2)</span> &#26159;&#30772;&#22351;&#24615;&#30340;&#65292;&#21363;&#23545;&#24403;&#21069;&#23545;&#35937;&#36827;&#34892;&#36801;&#31227;&#12290;</div>
<div class="t-li1"><span class="t-li">3-4)</span> &#36827;&#34892;&#20108;&#36827;&#21046;&#21491;&#31227;&#12290; <span class="t-v">(4)</span> &#26159;&#30772;&#22351;&#24615;&#30340;&#65292;&#21363;&#23545;&#24403;&#21069;&#23545;&#35937;&#36827;&#34892;&#36801;&#31227;&#12290;</div>
<h3><span class="mw-headline" id=".E5.8F.82.E6.95.B0">&#21442;&#25968;</span></h3>
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<td>pos</td>
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<td>&#31227;&#21160;&#20301;&#30340;&#20301;&#32622;&#25968;</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> &#21547;&#26377;&#34987;&#36801;&#31227;&#20301;&#30340;&#26032; bitset &#23545;&#35937;</div>
<div class="t-li1"><span class="t-li">2,4)</span> <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="sy2">*</span>this</span></span></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;bitset&gt;</span>
<span class="kw4">int</span> main<span class="br0">(</span><span class="br0">)</span>
<span class="br0">{</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">8</span><span class="sy1">&gt;</span> b<span class="br0">(</span><span class="st0">&quot;01110010&quot;</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="st0">&quot;initial value: &quot;</span> <span class="sy1">&lt;&lt;</span> b <span class="sy1">&lt;&lt;</span> <span class="st0">&#39;<span class="es1">\n</span>&#39;</span><span class="sy4">;</span>
<span class="kw1">while</span> <span class="br0">(</span>b.<span class="me1">any</span><span class="br0">(</span><span class="br0">)</span><span class="br0">)</span> <span class="br0">{</span>
<span class="kw1">while</span> <span class="br0">(</span><span class="sy3">!</span>b.<span class="me1">test</span><span class="br0">(</span><span class="nu0">0</span><span class="br0">)</span><span class="br0">)</span> <span class="br0">{</span>
b <span class="sy1">&gt;&gt;=</span> <span class="nu0">1</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> b <span class="sy1">&lt;&lt;</span> <span class="st0">&#39;<span class="es1">\n</span>&#39;</span><span class="sy4">;</span>
b <span class="sy1">&gt;&gt;=</span> <span class="nu0">1</span><span class="sy4">;</span>
<span class="br0">}</span>
<span class="br0">}</span></pre></div>
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<p>&#36755;&#20986;&#65306;</p>
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<pre class="de1">initial value: 01110010
00111001
00000111
00000011
00000001</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-numeric-rotl.html"><span class="t-lines"><span>rotl</span></span></a></div>
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div>
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<td>&#35745;&#31639;&#36880;&#20301;&#24038;&#26059;&#36716;&#30340;&#32467;&#26524;<br />
<span class="t-mark">(&#20989;&#25968;&#27169;&#26495;)</span></td>
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<div class="t-dsc-member-div">
<div><a href="cpp-numeric-rotr.html"><span class="t-lines"><span>rotr</span></span></a></div>
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div>
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<td>&#35745;&#31639;&#36880;&#20301;&#21491;&#26059;&#36716;&#30340;&#32467;&#26524;<br />
<span class="t-mark">(&#20989;&#25968;&#27169;&#26495;)</span></td>
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<div class="t-dsc-member-div">
<div><a href="cpp-utility-bitset-operator_logic.html"><span class="t-lines"><span>operator&amp;=</span><span>operator|=</span><span>operator^=</span><span>operator~</span></span></a></div>
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<td>&#36827;&#34892;&#20108;&#36827;&#21046;&#19982;&#12289;&#25110;&#12289;&#24322;&#25110;&#21450;&#38750;<br />
<span class="t-mark">(&#20844;&#24320;&#25104;&#21592;&#20989;&#25968;)</span></td>
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