399 lines
24 KiB
HTML
399 lines
24 KiB
HTML
<!DOCTYPE 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>实验性库头文件 <experimental/ranges/concepts></title>
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<body class="mediawiki ltr sitedir-ltr ns-0 ns-subject page-cpp_header_experimental_ranges_concepts skin-cppreference2 action-view cpp-navbar">
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<h1 id="firstHeading" class="firstHeading"><span style="font-size:0.7em; line-height:130%">实验性库头文件</span> <experimental/ranges/concepts></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-header.html">header</a>‎ | <a href="cpp-header-experimental.html">experimental</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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<p>此头文件是<a href="cpp-experimental-ranges.html">范围</a>库的一部分。</p>
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<h3><span class="mw-headline" id=".E6.A0.B8.E5.BF.83.E8.AF.AD.E8.A8.80.E6.A6.82.E5.BF.B5">核心语言概念</span></h3>
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<table class="t-dsc-begin">
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<td colspan="2">
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<div>定义于命名空间 <code>std::experimental::ranges</code></div>
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</td>
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</tr>
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<tr class="t-dsc">
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<td>
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<div class="t-dsc-member-div">
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<div><a href="cpp-experimental-ranges-concepts-Same.html"><span class="t-lines"><span>Same</span></span></a></div>
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</div>
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</td>
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<td>指定类型与另一类型相同<br />
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<span class="t-mark">(概念)</span></td>
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</tr>
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<tr class="t-dsc">
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<td>
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<div class="t-dsc-member-div">
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<div><a href="cpp-experimental-ranges-concepts-DerivedFrom.html"><span class="t-lines"><span>DerivedFrom</span></span></a></div>
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</div>
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</td>
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<td>指定该类型从另一类型派生<br />
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<span class="t-mark">(概念)</span></td>
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</tr>
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<tr class="t-dsc">
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<td>
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<div class="t-dsc-member-div">
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<div><a href="cpp-experimental-ranges-concepts-ConvertibleTo.html"><span class="t-lines"><span>ConvertibleTo</span></span></a></div>
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</div>
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</td>
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<td>指定类型能隐式转换成另一类型<br />
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<span class="t-mark">(概念)</span></td>
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</tr>
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<tr class="t-dsc">
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<td>
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<div class="t-dsc-member-div">
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<div><a href="cpp-experimental-ranges-concepts-CommonReference.html"><span class="t-lines"><span>CommonReference</span></span></a></div>
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</div>
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</td>
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<td>指定两个类型共有一个公共引用类型<br />
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<span class="t-mark">(概念)</span></td>
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</tr>
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<tr class="t-dsc">
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<td>
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<div class="t-dsc-member-div">
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<div><a href="cpp-experimental-ranges-concepts-Common.html"><span class="t-lines"><span>Common</span></span></a></div>
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</div>
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</td>
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<td>指定两个类型共有一个公共类型<br />
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<span class="t-mark">(概念)</span></td>
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</tr>
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<tr class="t-dsc">
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<td>
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<div class="t-dsc-member-div">
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<div><a href="cpp-experimental-ranges-concepts-Integral.html"><span class="t-lines"><span>Integral</span></span></a></div>
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</div>
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</td>
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<td>指定类型为整型类型<br />
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<span class="t-mark">(概念)</span></td>
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</tr>
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<tr class="t-dsc">
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<td>
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<div class="t-dsc-member-div">
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<div><a href="cpp-experimental-ranges-concepts-SignedIntegral.html"><span class="t-lines"><span>SignedIntegral</span></span></a></div>
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</div>
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</td>
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<td>指定类型为有符号的整型类型<br />
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<span class="t-mark">(概念)</span></td>
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</tr>
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<tr class="t-dsc">
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<td>
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<div class="t-dsc-member-div">
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<div><a href="cpp-experimental-ranges-concepts-UnsignedIntegral.html"><span class="t-lines"><span>UnsignedIntegral</span></span></a></div>
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</div>
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</td>
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<td>指定类型为无符号的整型类型<br />
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<span class="t-mark">(概念)</span></td>
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<tr class="t-dsc">
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<td>
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<div class="t-dsc-member-div">
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<div><a href="cpp-experimental-ranges-concepts-Assignable.html"><span class="t-lines"><span>Assignable</span></span></a></div>
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</div>
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</td>
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<td>指定类型可从另一类型赋值<br />
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<span class="t-mark">(概念)</span></td>
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</tr>
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<tr class="t-dsc">
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<td>
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<div class="t-dsc-member-div">
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<div><a href="cpp-experimental-ranges-concepts-Swappable.html"><span class="t-lines"><span>Swappable</span><span>SwappableWith</span></span></a></div>
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</div>
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</td>
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<td>指定一个类型能进行交换，或两个类型能彼此交换<br />
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<span class="t-mark">(概念)</span></td>
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</tr>
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</table>
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<h3><span class="mw-headline" id=".E6.AF.94.E8.BE.83.E6.A6.82.E5.BF.B5">比较概念</span></h3>
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<table class="t-dsc-begin">
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<tr class="t-dsc-header">
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<td colspan="2">
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<div>定义于命名空间 <code>std::experimental::ranges</code></div>
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</td>
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</tr>
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<tr class="t-dsc">
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<td>
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<div class="t-dsc-member-div">
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<div><a href="cpp-experimental-ranges-concepts-Boolean.html"><span class="t-lines"><span>Boolean</span></span></a></div>
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</div>
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</td>
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<td>指定类型能用于布尔语境<br />
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<span class="t-mark">(概念)</span></td>
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<tr class="t-dsc">
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<td>
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<div class="t-dsc-member-div">
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<div><a href="cpp-experimental-ranges-concepts-WeaklyEqualityComparableWith.html"><span class="t-lines"><span>WeaklyEqualityComparableWith</span></span></a></div>
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</div>
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</td>
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<td>指定两个类型能用运算符 <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="sy1">==</span></span></span> 和 <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="sy3">!</span><span class="sy1">=</span></span></span> 比较相等性<br />
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<span class="t-mark">(概念)</span></td>
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</tr>
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<tr class="t-dsc">
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<td>
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<div class="t-dsc-member-div">
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<div><a href="cpp-experimental-ranges-concepts-EqualityComparable.html"><span class="t-lines"><span>EqualityComparable</span><span>EqualityComparableWith</span></span></a></div>
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</div>
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</td>
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<td>指定运算符 <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="sy1">==</span></span></span> 是等价关系<br />
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<span class="t-mark">(概念)</span></td>
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</tr>
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<tr class="t-dsc">
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<td>
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<div class="t-dsc-member-div">
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<div><a href="cpp-experimental-ranges-concepts-StrictTotallyOrdered.html"><span class="t-lines"><span>StrictTotallyOrdered</span><span>StrictTotallyOrderedWith</span></span></a></div>
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</div>
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</td>
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<td>指定该类型上的比较运算符产出全序<br />
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<span class="t-mark">(概念)</span></td>
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</tr>
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</table>
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<h3><span class="mw-headline" id=".E5.AF.B9.E8.B1.A1.E6.A6.82.E5.BF.B5">对象概念</span></h3>
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<table class="t-dsc-begin">
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<tr class="t-dsc-header">
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<td colspan="2">
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<div>定义于命名空间 <code>std::experimental::ranges</code></div>
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</td>
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</tr>
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<tr class="t-dsc">
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<td>
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<div class="t-dsc-member-div">
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<div><a href="cpp-experimental-ranges-concepts-Destructible.html"><span class="t-lines"><span>Destructible</span></span></a></div>
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</div>
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</td>
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<td>指定该类型对象能被销毁，且能用一元 <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="sy3">&</span></span></span> 取其地址<br />
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<span class="t-mark">(概念)</span></td>
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</tr>
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<tr class="t-dsc">
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<td>
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<div class="t-dsc-member-div">
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<div><a href="cpp-experimental-ranges-concepts-Constructible.html"><span class="t-lines"><span>Constructible</span></span></a></div>
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</div>
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</td>
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<td>指定该类型的变量能从一组实参类型进行构造，或绑定到一组实参类型<br />
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<span class="t-mark">(概念)</span></td>
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</tr>
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<tr class="t-dsc">
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<td>
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<div class="t-dsc-member-div">
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<div><a href="cpp-experimental-ranges-concepts-DefaultConstructible.html"><span class="t-lines"><span>DefaultConstructible</span></span></a></div>
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</div>
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</td>
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<td>指定该类型对象能默认构造<br />
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<span class="t-mark">(概念)</span></td>
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</tr>
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<tr class="t-dsc">
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<td>
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<div class="t-dsc-member-div">
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<div><a href="cpp-experimental-ranges-concepts-MoveConstructible.html"><span class="t-lines"><span>MoveConstructible</span></span></a></div>
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</div>
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</td>
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<td>指定该类型的对象能移动构造<br />
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<span class="t-mark">(概念)</span></td>
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</tr>
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<tr class="t-dsc">
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<td>
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<div class="t-dsc-member-div">
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<div><a href="cpp-experimental-ranges-concepts-CopyConstructible.html"><span class="t-lines"><span>CopyConstructible</span></span></a></div>
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</div>
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</td>
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<td>指定该类型对象能复制构造及移动构造<br />
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<span class="t-mark">(概念)</span></td>
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</tr>
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<tr class="t-dsc">
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<td>
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<div class="t-dsc-member-div">
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<div><a href="cpp-experimental-ranges-concepts-Movable.html"><span class="t-lines"><span>Movable</span></span></a></div>
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</div>
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</td>
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<td>指定该类型的对象能被移动和交换<br />
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<span class="t-mark">(概念)</span></td>
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</tr>
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<tr class="t-dsc">
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<td>
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<div class="t-dsc-member-div">
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<div><a href="cpp-experimental-ranges-concepts-Copyable.html"><span class="t-lines"><span>Copyable</span></span></a></div>
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</div>
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</td>
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<td>指定该类型对象能被复制、移动和交换<br />
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<span class="t-mark">(概念)</span></td>
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</tr>
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<tr class="t-dsc">
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<td>
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<div class="t-dsc-member-div">
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<div><a href="cpp-experimental-ranges-concepts-Semiregular.html"><span class="t-lines"><span>Semiregular</span></span></a></div>
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</div>
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</td>
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<td>指定类型的对象能被复制、移动、交换及默认构造<br />
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<span class="t-mark">(概念)</span></td>
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</tr>
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<tr class="t-dsc">
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<td>
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<div class="t-dsc-member-div">
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<div><a href="cpp-experimental-ranges-concepts-Regular.html"><span class="t-lines"><span>Regular</span></span></a></div>
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</div>
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</td>
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<td>指定类型为正则，即为 <a href="cpp-experimental-ranges-concepts-Semiregular.html"><code>Semiregular</code></a> 且为 <a href="cpp-experimental-ranges-concepts-EqualityComparable.html"><code>EqualityComparable</code></a><br />
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<span class="t-mark">(概念)</span></td>
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</tr>
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</table>
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<h3><span class="mw-headline" id=".E5.8F.AF.E8.B0.83.E7.94.A8.E6.A6.82.E5.BF.B5">可调用概念</span></h3>
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<table class="t-dsc-begin">
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<tr class="t-dsc-header">
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<td colspan="2">
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<div>定义于命名空间 <code>std::experimental::ranges</code></div>
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</td>
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</tr>
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<tr class="t-dsc">
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<td>
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<div class="t-dsc-member-div">
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<div><a href="cpp-experimental-ranges-concepts-Invocable.html"><span class="t-lines"><span>Invocable</span><span>RegularInvocable</span></span></a></div>
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</div>
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</td>
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<td>指定可调用类型能以给定的一组实参调用<br />
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<span class="t-mark">(概念)</span></td>
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</tr>
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<tr class="t-dsc">
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<td>
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<div class="t-dsc-member-div">
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<div><a href="cpp-experimental-ranges-concepts-Predicate.html"><span class="t-lines"><span>Predicate</span></span></a></div>
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</div>
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</td>
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<td>指定可调用类型是布尔谓词<br />
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<span class="t-mark">(概念)</span></td>
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</tr>
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<tr class="t-dsc">
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<td>
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<div class="t-dsc-member-div">
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<div><a href="cpp-experimental-ranges-concepts-Relation.html"><span class="t-lines"><span>Relation</span></span></a></div>
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</div>
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</td>
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<td>指定可调用类型为二元关系<br />
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<span class="t-mark">(概念)</span></td>
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</tr>
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<tr class="t-dsc">
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<td>
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<div class="t-dsc-member-div">
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<div><a href="cpp-experimental-ranges-concepts-StrictWeakOrder.html"><span class="t-lines"><span>StrictWeakOrder</span></span></a></div>
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</div>
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</td>
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<td>指定一种 <a href="cpp-experimental-ranges-concepts-Relation.html"><code>Relation</code></a> 施加严格弱序<br />
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<span class="t-mark">(概念)</span></td>
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</tr>
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</table>
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<h3><span class="mw-headline" id=".E6.A6.82.E8.A6.81">概要</span></h3>
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<div dir="ltr" class="mw-geshi" style="text-align: left;">
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<div class="cpp source-cpp">
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<pre class="de1"><span class="kw1">namespace</span> std <span class="br0">{</span> <span class="kw1">namespace</span> experimental <span class="br0">{</span> <span class="kw1">namespace</span> ranges <span class="br0">{</span> <span class="kw1">inline</span> <span class="kw1">namespace</span> v1 <span class="br0">{</span>
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<span class="kw1">template</span> <span class="sy1"><</span><span class="kw1">class</span> T, <span class="kw1">class</span> U<span class="sy1">></span>
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concept <span class="kw4">bool</span> Same <span class="sy1">=</span> <span class="coMULTI">/* 见定义 */</span><span class="sy4">;</span>
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<span class="kw1">template</span> <span class="sy1"><</span><span class="kw1">class</span> T, <span class="kw1">class</span> U<span class="sy1">></span>
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concept <span class="kw4">bool</span> DerivedFrom <span class="sy1">=</span> <span class="coMULTI">/* 见定义 */</span><span class="sy4">;</span>
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<span class="kw1">template</span> <span class="sy1"><</span><span class="kw1">class</span> T, <span class="kw1">class</span> U<span class="sy1">></span>
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concept <span class="kw4">bool</span> ConvertibleTo <span class="sy1">=</span> <span class="coMULTI">/* 见定义 */</span><span class="sy4">;</span>
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<span class="kw1">template</span> <span class="sy1"><</span><span class="kw1">class</span> T, <span class="kw1">class</span> U<span class="sy1">></span>
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concept <span class="kw4">bool</span> CommonReference <span class="sy1">=</span> <span class="coMULTI">/* 见定义 */</span><span class="sy4">;</span>
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<span class="kw1">template</span> <span class="sy1"><</span><span class="kw1">class</span> T, <span class="kw1">class</span> U<span class="sy1">></span>
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concept <span class="kw4">bool</span> Common <span class="sy1">=</span> <span class="coMULTI">/* 见定义 */</span><span class="sy4">;</span>
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<span class="kw1">template</span> <span class="sy1"><</span><span class="kw1">class</span> T<span class="sy1">></span>
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concept <span class="kw4">bool</span> Integral <span class="sy1">=</span> <span class="coMULTI">/* 见定义 */</span><span class="sy4">;</span>
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<span class="kw1">template</span> <span class="sy1"><</span><span class="kw1">class</span> T<span class="sy1">></span>
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concept <span class="kw4">bool</span> SignedIntegral <span class="sy1">=</span> <span class="coMULTI">/* 见定义 */</span><span class="sy4">;</span>
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<span class="kw1">template</span> <span class="sy1"><</span><span class="kw1">class</span> T<span class="sy1">></span>
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concept <span class="kw4">bool</span> UnsignedIntegral <span class="sy1">=</span> <span class="coMULTI">/* 见定义 */</span><span class="sy4">;</span>
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<span class="kw1">template</span> <span class="sy1"><</span><span class="kw1">class</span> T, <span class="kw1">class</span> U<span class="sy1">></span>
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concept <span class="kw4">bool</span> Assignable <span class="sy1">=</span> <span class="coMULTI">/* 见定义 */</span><span class="sy4">;</span>
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<span class="kw1">template</span> <span class="sy1"><</span><span class="kw1">class</span> T<span class="sy1">></span>
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concept <span class="kw4">bool</span> Swappable <span class="sy1">=</span> <span class="coMULTI">/* 见定义 */</span><span class="sy4">;</span>
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<span class="kw1">template</span> <span class="sy1"><</span><span class="kw1">class</span> T, <span class="kw1">class</span> U<span class="sy1">></span>
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concept <span class="kw4">bool</span> SwappableWith <span class="sy1">=</span> <span class="coMULTI">/* 见定义 */</span><span class="sy4">;</span>
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<span class="kw1">template</span> <span class="sy1"><</span><span class="kw1">class</span> T<span class="sy1">></span>
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concept <span class="kw4">bool</span> Destructible <span class="sy1">=</span> <span class="coMULTI">/* 见定义 */</span><span class="sy4">;</span>
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<span class="kw1">template</span> <span class="sy1"><</span><span class="kw1">class</span> T, <span class="kw1">class</span>... <span class="me1">Args</span><span class="sy1">></span>
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concept <span class="kw4">bool</span> Constructible <span class="sy1">=</span> <span class="coMULTI">/* 见定义 */</span><span class="sy4">;</span>
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<span class="kw1">template</span> <span class="sy1"><</span><span class="kw1">class</span> T<span class="sy1">></span>
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concept <span class="kw4">bool</span> DefaultConstructible <span class="sy1">=</span> <span class="coMULTI">/* 见定义 */</span><span class="sy4">;</span>
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<span class="kw1">template</span> <span class="sy1"><</span><span class="kw1">class</span> T<span class="sy1">></span>
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concept <span class="kw4">bool</span> MoveConstructible <span class="sy1">=</span> <span class="coMULTI">/* 见定义 */</span><span class="sy4">;</span>
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<span class="kw1">template</span> <span class="sy1"><</span><span class="kw1">class</span> T<span class="sy1">></span>
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concept <span class="kw4">bool</span> CopyConstructible <span class="sy1">=</span> <span class="coMULTI">/* 见定义 */</span><span class="sy4">;</span>
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<span class="kw1">template</span> <span class="sy1"><</span><span class="kw1">class</span> B<span class="sy1">></span>
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concept <span class="kw4">bool</span> Boolean <span class="sy1">=</span> <span class="coMULTI">/* 见定义 */</span><span class="sy4">;</span>
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<span class="kw1">template</span> <span class="sy1"><</span><span class="kw1">class</span> T, <span class="kw1">class</span> U<span class="sy1">></span>
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concept <span class="kw4">bool</span> WeaklyEqualityComparableWith <span class="sy1">=</span> <span class="coMULTI">/* 见定义 */</span><span class="sy4">;</span>
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<span class="kw1">template</span> <span class="sy1"><</span><span class="kw1">class</span> T<span class="sy1">></span>
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concept <span class="kw4">bool</span> EqualityComparable <span class="sy1">=</span> <span class="coMULTI">/* 见定义 */</span><span class="sy4">;</span>
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<span class="kw1">template</span> <span class="sy1"><</span><span class="kw1">class</span> T, <span class="kw1">class</span> U<span class="sy1">></span>
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concept <span class="kw4">bool</span> EqualityComparableWith <span class="sy1">=</span> <span class="coMULTI">/* 见定义 */</span><span class="sy4">;</span>
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<span class="kw1">template</span> <span class="sy1"><</span><span class="kw1">class</span> T<span class="sy1">></span>
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concept <span class="kw4">bool</span> StrictTotallyOrdered <span class="sy1">=</span> <span class="coMULTI">/* 见定义 */</span><span class="sy4">;</span>
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<span class="kw1">template</span> <span class="sy1"><</span><span class="kw1">class</span> T, <span class="kw1">class</span> U<span class="sy1">></span>
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concept <span class="kw4">bool</span> StrictTotallyOrderedWith <span class="sy1">=</span> <span class="coMULTI">/* 见定义 */</span><span class="sy4">;</span>
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<span class="kw1">template</span> <span class="sy1"><</span><span class="kw1">class</span> T<span class="sy1">></span>
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concept <span class="kw4">bool</span> Movable <span class="sy1">=</span> <span class="coMULTI">/* 见定义 */</span><span class="sy4">;</span>
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<span class="kw1">template</span> <span class="sy1"><</span><span class="kw1">class</span> T<span class="sy1">></span>
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concept <span class="kw4">bool</span> Copyable <span class="sy1">=</span> <span class="coMULTI">/* 见定义 */</span><span class="sy4">;</span>
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<span class="kw1">template</span> <span class="sy1"><</span><span class="kw1">class</span> T<span class="sy1">></span>
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concept <span class="kw4">bool</span> Semiregular <span class="sy1">=</span> <span class="coMULTI">/* 见定义 */</span><span class="sy4">;</span>
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<span class="kw1">template</span> <span class="sy1"><</span><span class="kw1">class</span> T<span class="sy1">></span>
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concept <span class="kw4">bool</span> Regular <span class="sy1">=</span> <span class="coMULTI">/* 见定义 */</span><span class="sy4">;</span>
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<span class="kw1">template</span> <span class="sy1"><</span><span class="kw1">class</span> F, <span class="kw1">class</span>... <span class="me1">Args</span><span class="sy1">></span>
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concept <span class="kw4">bool</span> Invocable <span class="sy1">=</span> <span class="coMULTI">/* 见定义 */</span><span class="sy4">;</span>
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<span class="kw1">template</span> <span class="sy1"><</span><span class="kw1">class</span> F, <span class="kw1">class</span>... <span class="me1">Args</span><span class="sy1">></span>
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concept <span class="kw4">bool</span> RegularInvocable <span class="sy1">=</span> <span class="coMULTI">/* 见定义 */</span><span class="sy4">;</span>
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<span class="kw1">template</span> <span class="sy1"><</span><span class="kw1">class</span> F, <span class="kw1">class</span>... <span class="me1">Args</span><span class="sy1">></span>
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concept <span class="kw4">bool</span> Predicate <span class="sy1">=</span> <span class="coMULTI">/* 见定义 */</span><span class="sy4">;</span>
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<span class="kw1">template</span> <span class="sy1"><</span><span class="kw1">class</span> R, <span class="kw1">class</span> T, <span class="kw1">class</span> U<span class="sy1">></span>
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concept <span class="kw4">bool</span> Relation <span class="sy1">=</span> <span class="coMULTI">/* 见定义 */</span><span class="sy4">;</span>
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<span class="kw1">template</span> <span class="sy1"><</span><span class="kw1">class</span> R, <span class="kw1">class</span> T, <span class="kw1">class</span> U<span class="sy1">></span>
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concept <span class="kw4">bool</span> StrictWeakOrder <span class="sy1">=</span> <span class="coMULTI">/* 见定义 */</span><span class="sy4">;</span>
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<span class="br0">}</span><span class="br0">}</span><span class="br0">}</span><span class="br0">}</span></pre></div>
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