Files
hustoj/web/cppreference-zh/chmhelp/cpp-iterator-make_move_iterator.html
2025-08-01 12:57:54 +08:00

166 lines
12 KiB
HTML

<!DOCTYPE html>
<html lang="zh" dir="ltr" class="client-nojs" xmlns="http://www.w3.org/1999/xhtml" xml:lang="zh">
<head><meta http-equiv="x-ua-compatible" content="ie=edge">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>std::make_move_iterator</title>
<link rel="stylesheet" href="ext.css" />
<link rel="stylesheet" href="site_modules.css" />
</head>
<body class="mediawiki ltr sitedir-ltr ns-0 ns-subject page-cpp_iterator_make_move_iterator skin-cppreference2 action-view cpp-navbar">
<div id="cpp-content-base">
<div id="content"><a id="top"></a>
<h1 id="firstHeading" class="firstHeading"><span style="font-size:0.7em; line-height:130%">std::</span>make_move_iterator</h1>
<div id="bodyContent">
<div id="contentSub"><span class="subpages">&lt; <a href="cpp.html">cpp</a>&lrm; | <a href="cpp-iterator.html">iterator</a></span></div>
<div id="mw-content-text" lang="zh" dir="ltr" class="mw-content-ltr" xml:lang="zh">
<table class="t-dcl-begin">
<tbody>
<tr class="t-dsc-header">
<td>
<div>&#23450;&#20041;&#20110;&#22836;&#25991;&#20214; <code><a href="cpp-header-iterator.html">&lt;iterator&gt;</a></code></div>
</td>
<td></td>
<td></td>
</tr>
</tbody>
<tbody class="t-dcl-rev">
<tr class="t-dcl t-since-cxx11 t-until-cxx17">
<td>
<div><span class="mw-geshi cpp source-cpp"><span class="kw1">template</span><span class="sy1">&lt;</span> <span class="kw1">class</span> Iter <span class="sy1">&gt;</span><br />
<a href="cpp-iterator-move_iterator.html"><span class="kw659">std::<span class="me2">move_iterator</span></span></a><span class="sy1">&lt;</span>Iter<span class="sy1">&gt;</span> make_move_iterator<span class="br0">(</span> Iter i <span class="br0">)</span><span class="sy4">;</span></span></div>
</td>
<td class="t-dcl-nopad"></td>
<td><span class="t-mark-rev t-since-cxx11">(C++11 &#36215;)</span><br />
<span class="t-mark-rev t-until-cxx17">(C++17 &#21069;)</span></td>
</tr>
<tr class="t-dcl t-since-cxx17">
<td>
<div><span class="mw-geshi cpp source-cpp"><span class="kw1">template</span><span class="sy1">&lt;</span> <span class="kw1">class</span> Iter <span class="sy1">&gt;</span><br />
<span class="kw4">constexpr</span> <a href="cpp-iterator-move_iterator.html"><span class="kw659">std::<span class="me2">move_iterator</span></span></a><span class="sy1">&lt;</span>Iter<span class="sy1">&gt;</span> make_move_iterator<span class="br0">(</span> Iter i <span class="br0">)</span><span class="sy4">;</span></span></div>
</td>
<td class="t-dcl-nopad"></td>
<td><span class="t-mark-rev t-since-cxx17">(C++17 &#36215;)</span></td>
</tr>
</tbody>
<tbody>
<tr class="t-dcl-sep">
<td></td>
<td></td>
<td></td>
</tr>
</tbody>
</table>
<p><code>make_move_iterator</code> &#26159;&#23545;&#32473;&#23450;&#36845;&#20195;&#22120; <code>i</code> &#26500;&#36896;&#31867;&#22411;&#20174;&#21442;&#25968;&#31867;&#22411;&#25512;&#20986;&#30340; <span class="t-lc"><a href="cpp-iterator-move_iterator.html">std::move_iterator</a></span> &#30340;&#20415;&#21033;&#20989;&#25968;&#27169;&#26495;&#12290;</p>
<h3><span class="mw-headline" id=".E5.8F.82.E6.95.B0">&#21442;&#25968;</span></h3>
<table class="t-par-begin">
<tr class="t-par">
<td>i</td>
<td>-</td>
<td>&#36716;&#25442;&#25104;&#31227;&#21160;&#36845;&#20195;&#22120;&#30340;&#36755;&#20837;&#36845;&#20195;&#22120;</td>
</tr>
</table>
<h3><span class="mw-headline" id=".E8.BF.94.E5.9B.9E.E5.80.BC">&#36820;&#22238;&#20540;</span></h3>
<p>&#21487;&#29992;&#20110;&#20174;&#36890;&#36807; <code>i</code> &#35775;&#38382;&#30340;&#20803;&#32032;&#31227;&#21160;&#30340; <span class="t-lc"><a href="cpp-iterator-move_iterator.html">std::move_iterator</a></span> &#12290;</p>
<h3><span class="mw-headline" id=".E5.8F.AF.E8.83.BD.E7.9A.84.E5.AE.9E.E7.8E.B0">&#21487;&#33021;&#30340;&#23454;&#29616;</span></h3>
<table class="eq-fun-cpp-table">
<tr>
<td>
<div dir="ltr" class="mw-geshi" style="text-align: left;">
<div class="cpp source-cpp">
<pre class="de1"><span class="kw1">template</span><span class="sy1">&lt;</span> <span class="kw1">class</span> Iter <span class="sy1">&gt;</span>
<span class="kw4">constexpr</span> <span class="co1">// C++17 &#36215;</span>
<a href="cpp-iterator-move_iterator.html"><span class="kw659">std::<span class="me2">move_iterator</span></span></a><span class="sy1">&lt;</span>Iter<span class="sy1">&gt;</span> make_move_iterator<span class="br0">(</span> Iter i <span class="br0">)</span>
<span class="br0">{</span>
<span class="kw1">return</span> <a href="cpp-iterator-move_iterator.html"><span class="kw659">std::<span class="me2">move_iterator</span></span></a><span class="sy1">&lt;</span>Iter<span class="sy1">&gt;</span><span class="br0">(</span>std<span class="sy4">::</span><span class="me2">move</span><span class="br0">(</span>i<span class="br0">)</span><span class="br0">)</span><span class="sy4">;</span>
<span class="br0">}</span></pre></div>
</div>
</td>
</tr>
</table>
<h3><span class="mw-headline" id=".E7.A4.BA.E4.BE.8B">&#31034;&#20363;</span></h3>
<div class="t-example">
<div class="t-example-live-link"></div>
<div dir="ltr" class="mw-geshi" style="text-align: left;">
<div class="cpp source-cpp">
<pre class="de1"><span class="co2">#include &lt;iostream&gt;</span>
<span class="co2">#include &lt;list&gt;</span>
<span class="co2">#include &lt;vector&gt;</span>
<span class="co2">#include &lt;string&gt;</span>
<span class="co2">#include &lt;iterator&gt;</span>
<span class="kw4">int</span> main<span class="br0">(</span><span class="br0">)</span>
<span class="br0">{</span>
<a href="cpp-container-list.html"><span class="kw1274">std::<span class="me2">list</span></span></a><span class="sy1">&lt;</span><a href="cpp-string-basic_string.html"><span class="kw1229">std::<span class="me2">string</span></span></a><span class="sy1">&gt;</span> s<span class="br0">{</span><span class="st0">&quot;one&quot;</span>, <span class="st0">&quot;two&quot;</span>, <span class="st0">&quot;three&quot;</span><span class="br0">}</span><span class="sy4">;</span>
<a href="cpp-container-vector.html"><span class="kw1268">std::<span class="me2">vector</span></span></a><span class="sy1">&lt;</span><a href="cpp-string-basic_string.html"><span class="kw1229">std::<span class="me2">string</span></span></a><span class="sy1">&gt;</span> v1<span class="br0">(</span>s.<span class="me1">begin</span><span class="br0">(</span><span class="br0">)</span>, s.<span class="me1">end</span><span class="br0">(</span><span class="br0">)</span><span class="br0">)</span><span class="sy4">;</span> <span class="co1">// copy</span>
<a href="cpp-container-vector.html"><span class="kw1268">std::<span class="me2">vector</span></span></a><span class="sy1">&lt;</span><a href="cpp-string-basic_string.html"><span class="kw1229">std::<span class="me2">string</span></span></a><span class="sy1">&gt;</span> v2<span class="br0">(</span>std<span class="sy4">::</span><span class="me2">make_move_iterator</span><span class="br0">(</span>s.<span class="me1">begin</span><span class="br0">(</span><span class="br0">)</span><span class="br0">)</span>,
std<span class="sy4">::</span><span class="me2">make_move_iterator</span><span class="br0">(</span>s.<span class="me1">end</span><span class="br0">(</span><span class="br0">)</span><span class="br0">)</span><span class="br0">)</span><span class="sy4">;</span> <span class="co1">// move</span>
<a href="cpp-io-cout.html"><span class="kw1757">std::<span class="me2">cout</span></span></a> <span class="sy1">&lt;&lt;</span> <span class="st0">&quot;v1 now holds: &quot;</span><span class="sy4">;</span>
<span class="kw1">for</span> <span class="br0">(</span><span class="kw4">auto</span> str <span class="sy4">:</span> v1<span class="br0">)</span>
<a href="cpp-io-cout.html"><span class="kw1757">std::<span class="me2">cout</span></span></a> <span class="sy1">&lt;&lt;</span> <span class="st0">&quot;<span class="es1">\&quot;</span>&quot;</span> <span class="sy1">&lt;&lt;</span> str <span class="sy1">&lt;&lt;</span> <span class="st0">&quot;<span class="es1">\&quot;</span> &quot;</span><span class="sy4">;</span>
<a href="cpp-io-cout.html"><span class="kw1757">std::<span class="me2">cout</span></span></a> <span class="sy1">&lt;&lt;</span> <span class="st0">&quot;<span class="es1">\n</span>v2 now holds: &quot;</span><span class="sy4">;</span>
<span class="kw1">for</span> <span class="br0">(</span><span class="kw4">auto</span> str <span class="sy4">:</span> v2<span class="br0">)</span>
<a href="cpp-io-cout.html"><span class="kw1757">std::<span class="me2">cout</span></span></a> <span class="sy1">&lt;&lt;</span> <span class="st0">&quot;<span class="es1">\&quot;</span>&quot;</span> <span class="sy1">&lt;&lt;</span> str <span class="sy1">&lt;&lt;</span> <span class="st0">&quot;<span class="es1">\&quot;</span> &quot;</span><span class="sy4">;</span>
<a href="cpp-io-cout.html"><span class="kw1757">std::<span class="me2">cout</span></span></a> <span class="sy1">&lt;&lt;</span> <span class="st0">&quot;<span class="es1">\n</span>original list now holds: &quot;</span><span class="sy4">;</span>
<span class="kw1">for</span> <span class="br0">(</span><span class="kw4">auto</span> str <span class="sy4">:</span> s<span class="br0">)</span>
<a href="cpp-io-cout.html"><span class="kw1757">std::<span class="me2">cout</span></span></a> <span class="sy1">&lt;&lt;</span> <span class="st0">&quot;<span class="es1">\&quot;</span>&quot;</span> <span class="sy1">&lt;&lt;</span> str <span class="sy1">&lt;&lt;</span> <span class="st0">&quot;<span class="es1">\&quot;</span> &quot;</span><span class="sy4">;</span>
<a href="cpp-io-cout.html"><span class="kw1757">std::<span class="me2">cout</span></span></a> <span class="sy1">&lt;&lt;</span> <span class="st0">&#39;<span class="es1">\n</span>&#39;</span><span class="sy4">;</span>
<span class="br0">}</span></pre></div>
</div>
<p>&#21487;&#33021;&#30340;&#36755;&#20986;&#65306;</p>
<div dir="ltr" class="mw-geshi" style="text-align: left;">
<div class="text source-text">
<pre class="de1">v1 now holds: &quot;one&quot; &quot;two&quot; &quot;three&quot;
v2 now holds: &quot;one&quot; &quot;two&quot; &quot;three&quot;
original list now holds: &quot;&quot; &quot;&quot; &quot;&quot;</pre></div>
</div>
</div>
<h3><span class="mw-headline" id=".E7.BC.BA.E9.99.B7.E6.8A.A5.E5.91.8A">&#32570;&#38519;&#25253;&#21578;</span></h3>
<p>&#19979;&#21015;&#26356;&#25913;&#34892;&#20026;&#30340;&#32570;&#38519;&#25253;&#21578;&#36861;&#28335;&#22320;&#24212;&#29992;&#20110;&#20197;&#21069;&#20986;&#29256;&#30340; C++ &#26631;&#20934;&#12290;</p>
<table class="dsctable" style="font-size:0.8em">
<tr>
<th>DR</th>
<th>&#24212;&#29992;&#20110;</th>
<th>&#20986;&#29256;&#26102;&#30340;&#34892;&#20026;</th>
<th>&#27491;&#30830;&#34892;&#20026;</th>
</tr>
<tr>
<td><a rel="nofollow" class="external text" href="https://cplusplus.github.io/LWG/issue2061">LWG 2061</a></td>
<td>C++11</td>
<td><code>make_move_iterator</code> &#19981;&#23558;&#25968;&#32452;&#21442;&#25968;&#36716;&#25442;&#25104;&#25351;&#38024;</td>
<td>&#20351;&#20043;&#36716;&#25442;</td>
</tr>
</table>
<h3><span class="mw-headline" id=".E5.8F.82.E9.98.85">&#21442;&#38405;</span></h3>
<table class="t-dsc-begin">
<tr class="t-dsc">
<td>
<div class="t-dsc-member-div">
<div><a href="cpp-iterator-move_iterator.html"><span class="t-lines"><span>move_iterator</span></span></a></div>
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div>
</div>
</td>
<td>&#35299;&#24341;&#29992;&#32467;&#26524;&#20026;&#21491;&#20540;&#24341;&#29992;&#30340;&#36845;&#20195;&#22120;&#36866;&#37197;&#22120;<br />
<span class="t-mark">(&#31867;&#27169;&#26495;)</span></td>
</tr>
<tr class="t-dsc">
<td>
<div class="t-dsc-member-div">
<div><a href="cpp-utility-move.html"><span class="t-lines"><span>move</span></span></a></div>
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div>
</div>
</td>
<td>&#33719;&#24471;&#21491;&#20540;&#24341;&#29992;<br />
<span class="t-mark">(&#20989;&#25968;&#27169;&#26495;)</span></td>
</tr>
</table>
</div>
<div class="visualClear"></div>
</div>
</div>
</div>
</body>
</html>