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<title>std::array&lt;T,N&gt;::rbegin, std::array&lt;T,N&gt;::crbegin</title>
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<h1 id="firstHeading" class="firstHeading"><span style="font-size:0.7em; line-height:130%">std::array&lt;T,N&gt;::</span>rbegin, <span style="font-size:0.7em; line-height:130%">std::array&lt;T,N&gt;::</span>crbegin</h1>
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<div id="contentSub"><span class="subpages">&lt; <a href="cpp.html">cpp</a>&lrm; | <a href="cpp-container.html">container</a>&lrm; | <a href="cpp-container-array.html">array</a></span></div>
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<div><span class="mw-geshi cpp source-cpp">reverse_iterator rbegin<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-until-cxx17">(C++17 &#21069;)</span></td>
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<div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> reverse_iterator rbegin<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-cxx17">(C++17 &#36215;)</span></td>
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<div><span class="mw-geshi cpp source-cpp">const_reverse_iterator rbegin<span class="br0">(</span><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-until-cxx17">(C++17 &#21069;)</span></td>
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<div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> const_reverse_iterator &nbsp;rbegin<span class="br0">(</span><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-cxx17">(C++17 &#36215;)</span></td>
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<div><span class="mw-geshi cpp source-cpp">const_reverse_iterator crbegin<span class="br0">(</span><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-until-cxx17">(C++17 &#21069;)</span></td>
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<div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> const_reverse_iterator crbegin<span class="br0">(</span><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-cxx17">(C++17 &#36215;)</span></td>
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<p>&#36820;&#22238;&#25351;&#21521;&#36870;&#21521; <code>array</code> &#39318;&#20803;&#32032;&#30340;&#36870;&#21521;&#36845;&#20195;&#22120;&#12290;&#23427;&#23545;&#24212;&#38750;&#36870;&#21521; <code>array</code> &#30340;&#26411;&#20803;&#32032;&#12290;&#33509; <code>array</code> &#20026;&#31354;&#65292;&#21017;&#36820;&#22238;&#30340;&#36845;&#20195;&#22120;&#31561;&#20110; <span class="t-lc"><a href="cpp-container-array-rend.html">rend()</a></span> &#12290;</p>
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<p><img alt="range-rbegin-rend.svg" src="range-rbegin-rend.svg" width="589" height="250" /></p>
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<h3><span class="mw-headline" id=".E5.8F.82.E6.95.B0">&#21442;&#25968;</span></h3>
<p>&#65288;&#26080;&#65289;</p>
<h3><span class="mw-headline" id=".E8.BF.94.E5.9B.9E.E5.80.BC">&#36820;&#22238;&#20540;</span></h3>
<p>&#25351;&#21521;&#39318;&#20803;&#32032;&#30340;&#36870;&#21521;&#36845;&#20195;&#22120;&#12290;</p>
<h3><span class="mw-headline" id=".E5.A4.8D.E6.9D.82.E5.BA.A6">&#22797;&#26434;&#24230;</span></h3>
<p>&#24120;&#25968;&#12290;</p>
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<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;algorithm&gt;</span>
<span class="co2">#include &lt;iostream&gt;</span>
<span class="co2">#include &lt;string&gt;</span>
<span class="co2">#include &lt;string_view&gt;</span>
<span class="co2">#include &lt;array&gt;</span>
<span class="kw4">int</span> main<span class="br0">(</span><span class="br0">)</span>
<span class="br0">{</span>
<span class="kw4">constexpr</span> <a href="cpp-container-array.html"><span class="kw1268">std::<span class="me2">array</span></span></a><span class="sy1">&lt;</span><a href="cpp-string-basic_string_view.html"><span class="kw1248">std::<span class="me2">string_view</span></span></a>, <span class="nu0">8</span><span class="sy1">&gt;</span> data <span class="sy1">=</span> <span class="br0">{</span><span class="st0">&quot;&#9601;&quot;</span>,<span class="st0">&quot;&#9602;&quot;</span>,<span class="st0">&quot;&#9603;&quot;</span>,<span class="st0">&quot;&#9604;&quot;</span>,<span class="st0">&quot;&#9605;&quot;</span>,<span class="st0">&quot;&#9606;&quot;</span>,<span class="st0">&quot;&#9607;&quot;</span>,<span class="st0">&quot;&#9608;&quot;</span><span class="br0">}</span><span class="sy4">;</span>
<a href="cpp-container-array.html"><span class="kw1268">std::<span class="me2">array</span></span></a><span class="sy1">&lt;</span><a href="cpp-string-basic_string.html"><span class="kw1230">std::<span class="me2">string</span></span></a>, <a href="cpp-iterator-size.html"><span class="kw684">std::<span class="me2">size</span></span></a><span class="br0">(</span>data<span class="br0">)</span><span class="sy1">&gt;</span> arr<span class="sy4">;</span>
<span class="co1">// &#39;data&#39; &#26159;&#21482;&#35835; array &#25925;&#25105;&#20204;&#21482;&#33021;&#29992; const &#29256;&#26412;&#30340;&#36845;&#20195;&#22120;&#35835;&#21462;&#23427;</span>
<span class="co1">// &#65288;&#27880;&#24847; &#39;cbegin&#39; &#21069;&#38754;&#30340; &#39;c&#39; &#20195;&#34920; &#39;const&#39; &#65289;&#65307;</span>
<span class="co1">// &#39;arr&#39; &#26159;&#30446;&#26631;&#65292;&#25925;&#20351;&#29992;&#38750; const &#29256;&#26412;&#30340;&#36845;&#20195;&#22120; &#39;begin&#39; &#12290;</span>
<a href="cpp-algorithm-copy.html"><span class="kw1582">std::<span class="me2">copy</span></span></a><span class="br0">(</span>data.<span class="me1">cbegin</span><span class="br0">(</span><span class="br0">)</span>, data.<span class="me1">cend</span><span class="br0">(</span><span class="br0">)</span>, arr.<span class="me1">begin</span><span class="br0">(</span><span class="br0">)</span><span class="br0">)</span><span class="sy4">;</span>
<span class="co1">// ^ ^ ^</span>
<span class="kw4">auto</span> print <span class="sy1">=</span> <span class="br0">[</span><span class="br0">]</span><span class="br0">(</span><span class="kw4">const</span> <a href="cpp-string-basic_string_view.html"><span class="kw1248">std::<span class="me2">string_view</span></span></a> s<span class="br0">)</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> s <span class="sy1">&lt;&lt;</span> <span class="st0">&#39; &#39;</span><span class="sy4">;</span> <span class="br0">}</span><span class="sy4">;</span>
print<span class="br0">(</span><span class="st0">&quot;Print &#39;arr&#39; in direct order using [cbegin, cend):<span class="es1">\t</span>&quot;</span><span class="br0">)</span><span class="sy4">;</span>
<a href="cpp-algorithm-for_each.html"><span class="kw1568">std::<span class="me2">for_each</span></span></a><span class="br0">(</span>arr.<span class="me1">cbegin</span><span class="br0">(</span><span class="br0">)</span>, arr.<span class="me1">cend</span><span class="br0">(</span><span class="br0">)</span>, print<span class="br0">)</span><span class="sy4">;</span>
<span class="co1">// ^ ^</span>
print<span class="br0">(</span><span class="st0">&quot;<span class="es1">\n</span><span class="es1">\n</span>Print &#39;arr&#39; in reverse order using [crbegin, crend):<span class="es1">\t</span>&quot;</span><span class="br0">)</span><span class="sy4">;</span>
<a href="cpp-algorithm-for_each.html"><span class="kw1568">std::<span class="me2">for_each</span></span></a><span class="br0">(</span>arr.<span class="me1">crbegin</span><span class="br0">(</span><span class="br0">)</span>, arr.<span class="me1">crend</span><span class="br0">(</span><span class="br0">)</span>, print<span class="br0">)</span><span class="sy4">;</span>
<span class="co1">// ^^ ^^</span>
print<span class="br0">(</span><span class="st0">&quot;<span class="es1">\n</span>&quot;</span><span class="br0">)</span><span class="sy4">;</span>
<span class="br0">}</span></pre></div>
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<p>&#36755;&#20986;&#65306;</p>
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<pre class="de1">Print &#39;arr&#39; in direct order using [cbegin, cend): &#9601; &#9602; &#9603; &#9604; &#9605; &#9606; &#9607; &#9608;
Print &#39;arr&#39; in reverse order using [crbegin, crend): &#9608; &#9607; &#9606; &#9605; &#9604; &#9603; &#9602; &#9601;</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-container-array-rend.html"><span class="t-lines"><span>rend</span><span>crend</span></span></a></div>
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div>
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<td>&#36820;&#22238;&#25351;&#21521;&#26411;&#23614;&#30340;&#36870;&#21521;&#36845;&#20195;&#22120;<br />
<span class="t-mark">(&#20844;&#24320;&#25104;&#21592;&#20989;&#25968;)</span></td>
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