111 lines
6.0 KiB
HTML
111 lines
6.0 KiB
HTML
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<html lang="zh" dir="ltr" class="client-nojs" xmlns="http://www.w3.org/1999/xhtml" xml:lang="zh">
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<title>operator+(std::move_iterator)</title>
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<body class="mediawiki ltr sitedir-ltr ns-0 ns-subject page-cpp_iterator_move_iterator_operator skin-cppreference2 action-view cpp-page-template cpp-navbar">
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<h1 id="firstHeading" class="firstHeading">operator+<small>(std::move_iterator)</small></h1>
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<div id="bodyContent">
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<div id="contentSub"><span class="subpages">< <a href="cpp.html">cpp</a>‎ | <a href="cpp-iterator.html">iterator</a>‎ | <a href="cpp-iterator-move_iterator.html">move iterator</a></span></div>
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<div id="mw-content-text" lang="zh" dir="ltr" class="mw-content-ltr" xml:lang="zh">
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<div class="t-page-template" style="">
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<p></p>
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<table class="t-dcl-begin">
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<div>定义于头文件 <code><a href="cpp-header-iterator.html"><iterator></a></code></div>
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<td></td>
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<div><span class="mw-geshi cpp source-cpp"><span class="kw1">template</span><span class="sy1"><</span> <span class="kw1">class</span> Iter <span class="sy1">></span><br /></span>
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<p>move_iterator<span class="sy1"><</span>Iter<span class="sy1">></span><br />
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operator<span class="sy2">+</span><span class="br0">(</span> <span class="kw1">typename</span> move_iterator<span class="sy1"><</span>Iter<span class="sy1">></span><span class="sy4">::</span><span class="me2">difference_type</span> n,<br /></p>
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<span class="kw4">const</span> move_iterator<span class="sy1"><</span>Iter<span class="sy1">></span><span class="sy3">&</span> it <span class="br0">)</span><span class="sy4">;</span></div>
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<td><span class="t-mark-rev t-until-cxx17">(C++17 前)</span></td>
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<div><span class="mw-geshi cpp source-cpp"><span class="kw1">template</span><span class="sy1"><</span> <span class="kw1">class</span> Iter <span class="sy1">></span><br /></span>
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<p><span class="kw4">constexpr</span> move_iterator<span class="sy1"><</span>Iter<span class="sy1">></span><br />
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operator<span class="sy2">+</span><span class="br0">(</span> <span class="kw1">typename</span> move_iterator<span class="sy1"><</span>Iter<span class="sy1">></span><span class="sy4">::</span><span class="me2">difference_type</span> n,<br /></p>
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<span class="kw4">const</span> move_iterator<span class="sy1"><</span>Iter<span class="sy1">></span><span class="sy3">&</span> it <span class="br0">)</span><span class="sy4">;</span></div>
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<td><span class="t-mark-rev t-since-cxx17">(C++17 起)</span></td>
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返回增加了 <code>n</code> 的 <code>it</code> 。
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<p>此重载仅若 <span class="t-c"><span class="mw-geshi cpp source-cpp">it.<span class="me1">base</span><span class="br0">(</span><span class="br0">)</span> <span class="sy2">+</span> n</span></span> 良构并拥有 <code>Iter</code> 类型才参与重载决议。</p>
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<td><span class="t-mark-rev t-since-cxx20">(C++20 起)</span></td>
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<h3><span class="mw-headline" id=".E5.8F.82.E6.95.B0">参数</span></h3>
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<td>n</td>
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<td>-</td>
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<td>增加迭代器所用的位置数</td>
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<tr class="t-par">
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<td>it</td>
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<td>-</td>
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<td>要增加的迭代器适配器</td>
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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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<p>增加的迭代器，即 <span class="t-c"><span class="mw-geshi cpp source-cpp">move_iterator<span class="sy1"><</span>Iter<span class="sy1">></span><span class="br0">(</span>it.<span class="me1">base</span><span class="br0">(</span><span class="br0">)</span> <span class="sy2">+</span> n<span class="br0">)</span></span></span></p>
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<h3><span class="mw-headline" id=".E7.A4.BA.E4.BE.8B">示例</span></h3>
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<td class="mbox-text" style="">本节未完成<br />
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原因：暂无示例</td>
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<h3><span class="mw-headline" id=".E5.8F.82.E9.98.85">参阅</span></h3>
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<div><a href="cpp-iterator-move_iterator-operator_arith.html"><span class="t-lines"><span>operator++</span><span>operator++<span class="t-dsc-small">(int)</span></span><span>operator+=</span><span>operator+</span><span>operator--</span><span>operator--<span class="t-dsc-small">(int)</span></span><span>operator-=</span><span>operator-</span></span></a></div>
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<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div>
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</div>
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<td>推进或回退迭代器<br />
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<span class="t-mark">(公开成员函数)</span></td>
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</table>
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