65 lines
5.8 KiB
HTML
65 lines
5.8 KiB
HTML
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<title>std::regex_token_iterator<BidirIt,CharT,Traits>::operator++, operator++(int)</title>
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<h1 id="firstHeading" class="firstHeading"><span style="font-size:0.7em; line-height:130%">std::regex_token_iterator<BidirIt,CharT,Traits>::</span>operator++, operator++<span style="font-size:0.7em; line-height:130%">(int)</span></h1>
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<div id="contentSub"><span class="subpages">< <a href="cpp.html">cpp</a>‎ | <a href="cpp-regex.html">regex</a>‎ | <a href="cpp-regex-regex_token_iterator.html">regex token iterator</a></span></div>
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<div><span class="mw-geshi cpp source-cpp">regex_token_iterator<span class="sy3">&</span> operator<span class="sy2">++</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-since-cxx11">(C++11 起)</span></td>
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<div><span class="mw-geshi cpp source-cpp">regex_token_iterator operator<span class="sy2">++</span><span class="br0">(</span><span class="kw4">int</span><span class="br0">)</span><span class="sy4">;</span></span></div>
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<td class="t-dcl-nopad"></td>
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<td><span class="t-mark-rev t-since-cxx11">(C++11 起)</span></td>
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<p>令迭代器前进到下个子匹配。</p>
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<td class="mbox-text" style="">本节未完成<br />
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原因：更好的解释</td>
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<p>若 <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="sy2">*</span>this</span></span> 为后缀迭代器，则设置 <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="sy2">*</span>this</span></span> 为序列尾迭代器。</p>
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<p>否则，若 <span class="t-c"><span class="mw-geshi cpp source-cpp">N <span class="sy2">+</span> <span class="nu0">1</span> <span class="sy1"><</span> subs.<span class="me1">size</span><span class="br0">(</span><span class="br0">)</span></span></span> ，则自增 N 并设置结果为当前匹配的地址。</p>
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<p>否则，设置 <code>N</code> 为 <span class="t-c"><span class="mw-geshi cpp source-cpp">​<span class="nu0">0</span>​</span></span> 并自增 <code>position</code> 。若 <code>position</code> 不是序列尾迭代器，则运算符设置结果为当前匹配的地址。</p>
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<p>否则，若存储于 sub 中的任何值等于 <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="sy2">-</span><span class="nu0">1</span></span></span> 且 <span class="t-cc"><span class="mw-geshi cpp source-cpp">prev<span class="sy2">-</span><span class="sy1">></span>suffix<span class="br0">(</span><span class="br0">)</span>.<span class="me1">length</span><span class="br0">(</span><span class="br0">)</span></span></span> 非 <span class="t-c"><span class="mw-geshi cpp source-cpp">​<span class="nu0">0</span>​</span></span> ，则运算符设置 <code>*this</code> 为指向范围 [<span class="t-c"><span class="mw-geshi cpp source-cpp">prev<span class="sy2">-</span><span class="sy1">></span>suffix<span class="br0">(</span><span class="br0">)</span>.<span class="me1">first</span></span></span>, <span class="t-c"><span class="mw-geshi cpp source-cpp">prev<span class="sy2">-</span><span class="sy1">></span>suffix<span class="br0">(</span><span class="br0">)</span>.<span class="me1">second</span></span></span>) 的后缀迭代器。</p>
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<p>否则，设置 <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="sy2">*</span>this</span></span> 为序列尾迭代器。</p>
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<p>若迭代器是序列尾迭代器则行为未定义。</p>
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<h3><span class="mw-headline" id=".E5.8F.82.E6.95.B0">参数</span></h3>
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<p>（无）</p>
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<h3><span class="mw-headline" id=".E8.BF.94.E5.9B.9E.E5.80.BC">返回值</span></h3>
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<div class="t-li1"><span class="t-li">1)</span> <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="sy2">*</span>this</span></span></div>
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<div class="t-li1"><span class="t-li">2)</span> 迭代器的先前值。</div>
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