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<h1 id="firstHeading" class="firstHeading"><span style="font-size:0.7em; line-height:130%">std::istreambuf_iterator&lt;CharT,Traits&gt;::</span>istreambuf_iterator</h1>
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<div id="contentSub"><span class="subpages">&lt; <a href="cpp.html">cpp</a>&lrm; | <a href="cpp-iterator.html">iterator</a>&lrm; | <a href="cpp-iterator-istreambuf_iterator.html">istreambuf iterator</a></span></div>
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<td rowspan="142">(1)</td>
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<div><span class="mw-geshi cpp source-cpp">istreambuf_iterator<span class="br0">(</span><span class="br0">)</span> <span class="kw1">throw</span><span class="br0">(</span><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"><span class="kw4">constexpr</span> istreambuf_iterator<span class="br0">(</span><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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<div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> istreambuf_iterator<span class="br0">(</span> std<span class="sy4">::</span><span class="me2">default_sentinel_t</span> <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-cxx20">(C++20 &#36215;)</span></td>
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<td rowspan="142">(3)</td>
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<div><span class="mw-geshi cpp source-cpp">istreambuf_iterator<span class="br0">(</span> <a href="cpp-io-basic_istream.html"><span class="kw1713">std::<span class="me2">basic_istream</span></span></a><span class="sy1">&lt;</span>CharT,Traits<span class="sy1">&gt;</span><span class="sy3">&amp;</span> is <span class="br0">)</span> <span class="kw1">throw</span><span class="br0">(</span><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">istreambuf_iterator<span class="br0">(</span> <a href="cpp-io-basic_istream.html"><span class="kw1713">std::<span class="me2">basic_istream</span></span></a><span class="sy1">&lt;</span>CharT,Traits<span class="sy1">&gt;</span><span class="sy3">&amp;</span> is <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">istreambuf_iterator<span class="br0">(</span> <a href="cpp-io-basic_streambuf.html"><span class="kw1666">std::<span class="me2">basic_streambuf</span></span></a><span class="sy1">&lt;</span>CharT,Traits<span class="sy1">&gt;</span><span class="sy2">*</span> s <span class="br0">)</span> <span class="kw1">throw</span><span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span></span></div>
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<div><span class="mw-geshi cpp source-cpp">istreambuf_iterator<span class="br0">(</span> <a href="cpp-io-basic_streambuf.html"><span class="kw1666">std::<span class="me2">basic_streambuf</span></span></a><span class="sy1">&lt;</span>CharT,Traits<span class="sy1">&gt;</span><span class="sy2">*</span> s <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">(5)</td>
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<div><span class="mw-geshi cpp source-cpp">istreambuf_iterator<span class="br0">(</span> <span class="kw4">const</span> <span class="coMULTI">/* proxy */</span><span class="sy3">&amp;</span> p <span class="br0">)</span> <span class="kw1">throw</span><span class="br0">(</span><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">istreambuf_iterator<span class="br0">(</span> <span class="kw4">const</span> <span class="coMULTI">/* proxy */</span><span class="sy3">&amp;</span> p <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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<div><span class="mw-geshi cpp source-cpp">istreambuf_iterator<span class="br0">(</span> <span class="kw4">const</span> istreambuf_iterator<span class="sy3">&amp;</span> <span class="br0">)</span> <span class="kw1">noexcept</span> <span class="sy1">=</span> <span class="kw1">default</span><span class="sy4">;</span></span></div>
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<td>(6)</td>
<td><span class="t-mark-rev t-since-cxx11">(C++11 &#36215;)</span></td>
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<div class="t-li1"><span class="t-li">1-2)</span> &#26500;&#36896;&#27969;&#23614;&#36845;&#20195;&#22120;&#12290;</div>
<div class="t-li1"><span class="t-li">3)</span> &#21021;&#22987;&#21270;&#36845;&#20195;&#22120;&#24182;&#23384;&#20648; <span class="t-c"><span class="mw-geshi cpp source-cpp">is.<span class="me1">rdbuf</span><span class="br0">(</span><span class="br0">)</span></span></span> &#30340;&#20540;&#20110;&#25968;&#25454;&#25104;&#21592;&#12290;&#33509; <span class="t-c"><span class="mw-geshi cpp source-cpp">is.<span class="me1">rdbuf</span><span class="br0">(</span><span class="br0">)</span></span></span> &#20026;&#31354;&#65292;&#21017;&#26500;&#36896;&#27969;&#23614;&#36845;&#20195;&#22120;&#12290;</div>
<div class="t-li1"><span class="t-li">4)</span> &#21021;&#22987;&#21270;&#36845;&#20195;&#22120;&#24182;&#23384;&#20648; <code>s</code> &#30340;&#20540;&#20110;&#25968;&#25454;&#25104;&#21592;&#12290;&#33509; <code>s</code> &#20026;&#31354;&#65292;&#21017;&#26500;&#36896;&#27969;&#23614;&#36845;&#20195;&#22120;&#12290;</div>
<div class="t-li1"><span class="t-li">6)</span> &#31561;&#25928;&#20110;&#20197; <code>p</code> &#25152;&#20445;&#26377;&#30340; <code>streambuf_type*</code> &#25351;&#38024;&#35843;&#29992; <span class="t-v">(3)</span> &#12290;</div>
<div class="t-li1"><span class="t-li">6)</span> &#22797;&#21046;&#26500;&#36896;&#20989;&#25968;&#20026;&#24179;&#20961;&#19988;&#20026;&#26174;&#24335;&#40664;&#35748;&#21270;&#12290;</div>
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<p>&#22797;&#21046;&#26500;&#36896;&#20989;&#25968;&#34987;&#31561;&#25928;&#22320;&#38544;&#24335;&#22768;&#26126;&#65292;&#19988;&#19981;&#20445;&#35777;&#20026;&#24179;&#20961;&#12290;</p>
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<td><span class="t-mark-rev t-until-cxx11">(C++11 &#21069;)</span></td>
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<h3><span class="mw-headline" id=".E5.8F.82.E6.95.B0">&#21442;&#25968;</span></h3>
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<td>is</td>
<td>-</td>
<td>&#33719;&#24471;&#27969;&#32531;&#20914;&#26469;&#28304;&#30340;&#36755;&#20986;&#27969;</td>
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<td>s</td>
<td>-</td>
<td>&#29992;&#20197;&#21021;&#22987;&#21270;&#36845;&#20195;&#22120;&#30340;&#27969;&#32531;&#20914;</td>
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<td>p</td>
<td>-</td>
<td>&#25317;&#26377;&#23454;&#29616;&#23450;&#20041;&#20195;&#29702;&#31867;&#22411;&#30340;&#23545;&#35937;</td>
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