53 lines
4.0 KiB
HTML
53 lines
4.0 KiB
HTML
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<title>std::experimental::ranges::InputIterator</title>
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<h1 id="firstHeading" class="firstHeading"><span style="font-size:0.7em; line-height:130%">std::experimental::ranges::</span>InputIterator</h1>
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<div id="contentSub"><span class="subpages">< <a href="cpp.html">cpp</a>‎ | <a href="cpp-experimental.html">experimental</a>‎ | <a href="cpp-experimental-ranges.html">ranges</a></span></div>
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<div>定义于头文件 <code><a href="cpp-header-experimental-ranges-iterator.html"><experimental/ranges/iterator></a></code></div>
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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> I <span class="sy1">></span><br /></span>
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<p>concept <span class="kw4">bool</span> InputIterator <span class="sy1">=</span><br />
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<a href="cpp-experimental-ranges-iterator-Iterator.html"><span class="kw2566">ranges::<span class="me2">Iterator</span></span></a><span class="sy1"><</span>I<span class="sy1">></span> <span class="sy3">&&</span> <a href="cpp-experimental-ranges-iterator-Readable.html"><span class="kw2562">ranges::<span class="me2">Readable</span></span></a><span class="sy1"><</span>I<span class="sy1">></span> <span class="sy3">&&</span><br />
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requires <span class="br0">{</span> <span class="kw1">typename</span> ranges<span class="sy4">::</span><span class="me2">iterator_category_t</span><span class="sy1"><</span>I<span class="sy1">></span><span class="sy4">;</span> <span class="br0">}</span> <span class="sy3">&&</span><br /></p>
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<a href="cpp-experimental-ranges-concepts-DerivedFrom.html"><span class="kw2531">ranges::<span class="me2">DerivedFrom</span></span></a><span class="sy1"><</span>ranges<span class="sy4">::</span><span class="me2">iterator_category_t</span><span class="sy1"><</span>I<span class="sy1">></span>, ranges<span class="sy4">::</span><span class="me2">input_iterator_tag</span><span class="sy1">></span><span class="sy4">;</span></div>
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<td><span class="t-mark-rev t-since-ranges-ts t-mark-ts">(范围 TS)</span></td>
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<p><code>InputIterator</code> 概念是 <a href="cpp-experimental-ranges-iterator-Iterator.html"><code>Iterator</code></a> 的细化，添加能读取被引用值的要求（经由 <a href="cpp-experimental-ranges-iterator-Readable.html"><code>Readable</code></a> ）和迭代器类别标签存在的要求。</p>
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<h3><span class="mw-headline" id=".E6.B3.A8.E6.84.8F">注意</span></h3>
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<p>不同于 C++ 标准中的输入迭代器要求，范围 TS 中的 <code>InputIterator</code> 不要求 <a href="cpp-experimental-ranges-concepts-EqualityComparable.html"><code>EqualityComparable</code></a> 。</p>
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