2003 lines
207 KiB
HTML
2003 lines
207 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>标准库头文件 <memory></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_header_memory 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%">标准库头文件</span> <memory></h1>
|
|
<div id="bodyContent">
|
|
<div id="contentSub"><span class="subpages">< <a href="cpp.html">cpp</a>‎ | <a href="cpp-header.html">header</a></span></div>
|
|
<div id="mw-content-text" lang="zh" dir="ltr" class="mw-content-ltr" xml:lang="zh">
|
|
<p>此头文件是<a href="cpp-memory.html">动态内存管理</a>库的一部分。</p>
|
|
<table class="t-dsc-begin">
|
|
<tr>
|
|
<td colspan="2">
|
|
<h3><span class="mw-headline" id=".E5.8C.85.E5.90.AB">包含</span></h3>
|
|
</td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-header-compare.html"><span class="t-lines"><span><compare></span></span></a></div>
|
|
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div>
|
|
</div>
|
|
</td>
|
|
<td><a href="cpp-language-operator_comparison.html#.E4.B8.89.E8.B7.AF.E6.AF.94.E8.BE.83">三路比较运算符</a>支持</td>
|
|
</tr>
|
|
<tr>
|
|
<td colspan="2">
|
|
<h3><span class="mw-headline" id=".E7.B1.BB">类</span></h3>
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td colspan="2">
|
|
<h5><span class="mw-headline" id=".E6.8C.87.E9.92.88.E7.89.B9.E5.BE.81">指针特征</span></h5>
|
|
</td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-memory-pointer_traits.html"><span class="t-lines"><span>pointer_traits</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>提供关于指针式类型的信息<br />
|
|
<span class="t-mark">(类模板)</span></td>
|
|
</tr>
|
|
<tr>
|
|
<td colspan="2">
|
|
<h5><span class="mw-headline" id=".E5.9E.83.E5.9C.BE.E6.94.B6.E9.9B.86.E5.99.A8.E6.94.AF.E6.8C.81">垃圾收集器支持</span></h5>
|
|
</td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-memory-gc-pointer_safety.html"><span class="t-lines"><span>pointer_safety</span></span></a></div>
|
|
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span><span class="t-mark-rev t-until-cxx23">(C++23 中移除)</span></span></span></div>
|
|
</div>
|
|
</td>
|
|
<td>列出指针安全模式<br />
|
|
<span class="t-mark">(枚举)</span></td>
|
|
</tr>
|
|
<tr>
|
|
<td colspan="2">
|
|
<h5><span class="mw-headline" id=".E5.88.86.E9.85.8D.E5.99.A8">分配器</span></h5>
|
|
</td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-memory-allocator.html"><span class="t-lines"><span>allocator</span></span></a></div>
|
|
</div>
|
|
</td>
|
|
<td>默认的分配器<br />
|
|
<span class="t-mark">(类模板)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-memory-allocator_traits.html"><span class="t-lines"><span>allocator_traits</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>提供关于分配器类型的信息<br />
|
|
<span class="t-mark">(类模板)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-memory-allocation_result.html"><span class="t-lines"><span>allocation_result</span></span></a></div>
|
|
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx23">(C++23)</span></span></span></div>
|
|
</div>
|
|
</td>
|
|
<td>记录由 <code>allocate_at_least</code> 分配的存储的地址与实际大小<br />
|
|
<span class="t-mark">(类模板)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-memory-allocator_arg_t.html"><span class="t-lines"><span>allocator_arg_t</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>标签类型，用于选择具分配器的构造函数重载<br />
|
|
<span class="t-mark">(类)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-memory-uses_allocator.html"><span class="t-lines"><span>uses_allocator</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>检查指定的类型是否支持使用分配器的构造<br />
|
|
<span class="t-mark">(类模板)</span></td>
|
|
</tr>
|
|
<tr>
|
|
<td colspan="2">
|
|
<h5><span class="mw-headline" id=".E6.9C.AA.E5.88.9D.E5.A7.8B.E5.8C.96.E5.AD.98.E5.82.A8">未初始化存储</span></h5>
|
|
</td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-memory-raw_storage_iterator.html"><span class="t-lines"><span>raw_storage_iterator</span></span></a></div>
|
|
<div><span class="t-lines"><span><span class="t-mark-rev t-deprecated-cxx17">(C++17 中弃用)</span></span><span><span class="t-mark-rev t-until-cxx20">(C++20 中移除)</span></span></span></div>
|
|
</div>
|
|
</td>
|
|
<td>允许标准算法存储结果于未初始化内存的迭代器<br />
|
|
<span class="t-mark">(类模板)</span></td>
|
|
</tr>
|
|
<tr>
|
|
<td colspan="2">
|
|
<h5><span class="mw-headline" id=".E6.99.BA.E8.83.BD.E6.8C.87.E9.92.88">智能指针</span></h5>
|
|
</td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-memory-unique_ptr.html"><span class="t-lines"><span>unique_ptr</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>拥有独有对象所有权语义的智能指针<br />
|
|
<span class="t-mark">(类模板)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-memory-shared_ptr.html"><span class="t-lines"><span>shared_ptr</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>拥有共享对象所有权语义的智能指针<br />
|
|
<span class="t-mark">(类模板)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-memory-weak_ptr.html"><span class="t-lines"><span>weak_ptr</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>到 <span class="t-lc"><a href="cpp-memory-shared_ptr.html">std::shared_ptr</a></span> 所管理对象的弱引用<br />
|
|
<span class="t-mark">(类模板)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-memory-auto_ptr.html"><span class="t-lines"><span>auto_ptr</span></span></a></div>
|
|
<div><span class="t-lines"><span><span class="t-mark-rev t-until-cxx17">(C++17 中移除)</span></span></span></div>
|
|
</div>
|
|
</td>
|
|
<td>拥有严格对象所有权语义的智能指针<br />
|
|
<span class="t-mark">(类模板)</span></td>
|
|
</tr>
|
|
<tr>
|
|
<td colspan="2">
|
|
<h5><span class="mw-headline" id=".E8.BE.85.E5.8A.A9.E7.B1.BB">辅助类</span></h5>
|
|
</td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-memory-shared_ptr-atomic2.html"><span class="t-lines"><span>std::atomic<span class="t-dsc-small"><std::shared_ptr></span></span></span></a></div>
|
|
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div>
|
|
</div>
|
|
</td>
|
|
<td>原子共享指针<br />
|
|
<span class="t-mark">(类模板特化)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-memory-weak_ptr-atomic2.html"><span class="t-lines"><span>std::atomic<span class="t-dsc-small"><std::weak_ptr></span></span></span></a></div>
|
|
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div>
|
|
</div>
|
|
</td>
|
|
<td>原子弱指针<br />
|
|
<span class="t-mark">(类模板特化)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-memory-owner_less.html"><span class="t-lines"><span>owner_less</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>提供基于所有者的，共享指针和弱指针的混合类型的排序<br />
|
|
<span class="t-mark">(类模板)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-memory-enable_shared_from_this.html"><span class="t-lines"><span>enable_shared_from_this</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>允许对象创建指代自身的 <code>shared_ptr</code><br />
|
|
<span class="t-mark">(类模板)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-memory-bad_weak_ptr.html"><span class="t-lines"><span>bad_weak_ptr</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>访问指向已销毁对象的 <code>weak_ptr</code> 时抛出的异常<br />
|
|
<span class="t-mark">(类)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-memory-default_delete.html"><span class="t-lines"><span>default_delete</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><code>unique_ptr</code> 的默认删除器<br />
|
|
<span class="t-mark">(类模板)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-memory-unique_ptr-hash.html"><span class="t-lines"><span>std::hash<span class="t-dsc-small"><std::unique_ptr></span></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><span class="t-lc"><a href="cpp-memory-unique_ptr.html">std::unique_ptr</a></span> 的散列支持<br />
|
|
<span class="t-mark">(类模板特化)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-memory-shared_ptr-hash.html"><span class="t-lines"><span>std::hash<span class="t-dsc-small"><std::shared_ptr></span></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><span class="t-lc"><a href="cpp-memory-shared_ptr.html">std::shared_ptr</a></span> 的散列支持<br />
|
|
<span class="t-mark">(类模板特化)</span></td>
|
|
</tr>
|
|
<tr>
|
|
<td colspan="2">
|
|
<h5><span class="mw-headline" id=".E6.99.BA.E8.83.BD.E6.8C.87.E9.92.88.E9.80.82.E9.85.8D.E5.99.A8">智能指针适配器</span></h5>
|
|
</td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-memory-out_ptr_t.html"><span class="t-lines"><span>out_ptr_t</span></span></a></div>
|
|
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx23">(C++23)</span></span></span></div>
|
|
</div>
|
|
</td>
|
|
<td>与外来指针设置器交互，并在析构时重设智能指针<br />
|
|
<span class="t-mark">(类模板)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-memory-inout_ptr_t.html"><span class="t-lines"><span>inout_ptr_t</span></span></a></div>
|
|
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx23">(C++23)</span></span></span></div>
|
|
</div>
|
|
</td>
|
|
<td>与外来指针设置器交互，从智能指针获得初始指针值，并在析构时重设它<br />
|
|
<span class="t-mark">(类模板)</span></td>
|
|
</tr>
|
|
<tr>
|
|
<td colspan="2">
|
|
<h5><span class="mw-headline" id=".E5.89.8D.E7.BD.AE.E5.A3.B0.E6.98.8E">前置声明</span></h5>
|
|
</td>
|
|
</tr>
|
|
<tr class="t-dsc-header">
|
|
<td colspan="2">
|
|
<div>定义于头文件 <code><a href="cpp-header-functional.html"><functional></a></code></div>
|
|
</td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-utility-hash.html"><span class="t-lines"><span>hash</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>散列函数对象<br />
|
|
<span class="t-mark">(类模板)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc-header">
|
|
<td colspan="2">
|
|
<div>定义于头文件 <code><a href="cpp-header-atomic.html"><atomic></a></code></div>
|
|
</td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-atomic-atomic.html"><span class="t-lines"><span>atomic</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>atomic 类模板及其针对布尔、整型和指针类型的特化<br />
|
|
<span class="t-mark">(类模板)</span></td>
|
|
</tr>
|
|
<tr>
|
|
<td colspan="2">
|
|
<h3><span class="mw-headline" id=".E5.B8.B8.E9.87.8F">常量</span></h3>
|
|
</td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-memory-allocator_arg.html"><span class="t-lines"><span>allocator_arg</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>用于选择具分配器的构造函数的 <span class="t-lc"><a href="cpp-memory-allocator_arg_t.html">std::allocator_arg_t</a></span> 对象<br />
|
|
<span class="t-mark">(常量)</span></td>
|
|
</tr>
|
|
<tr>
|
|
<td colspan="2">
|
|
<h3><span class="mw-headline" id=".E5.87.BD.E6.95.B0">函数</span></h3>
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td colspan="2">
|
|
<h5><span class="mw-headline" id=".E5.88.86.E9.85.8D.E5.99.A8_2">分配器</span></h5>
|
|
</td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-memory-allocate_at_least.html"><span class="t-lines"><span>allocate_at_least</span></span></a></div>
|
|
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx23">(C++23)</span></span></span></div>
|
|
</div>
|
|
</td>
|
|
<td>经由分配器分配至少与请求的大小一样大的存储<br />
|
|
<span class="t-mark">(函数模板)</span></td>
|
|
</tr>
|
|
<tr>
|
|
<td colspan="2">
|
|
<h5><span class="mw-headline" id=".E6.9D.82.E9.A1.B9">杂项</span></h5>
|
|
</td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-memory-to_address.html"><span class="t-lines"><span>to_address</span></span></a></div>
|
|
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div>
|
|
</div>
|
|
</td>
|
|
<td>从指针式类型获得裸指针<br />
|
|
<span class="t-mark">(函数模板)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-memory-addressof.html"><span class="t-lines"><span>addressof</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>获得对象的实际地址，即使其重载了 <i>&</i> 运算符<br />
|
|
<span class="t-mark">(函数模板)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-memory-align.html"><span class="t-lines"><span>align</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>对齐缓冲区中的指针<br />
|
|
<span class="t-mark">(函数)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-memory-assume_aligned.html"><span class="t-lines"><span>assume_aligned</span></span></a></div>
|
|
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div>
|
|
</div>
|
|
</td>
|
|
<td>告知编译器指针已对齐<br />
|
|
<span class="t-mark">(函数模板)</span></td>
|
|
</tr>
|
|
<tr>
|
|
<td colspan="2">
|
|
<h5><span class="mw-headline" id=".E5.9E.83.E5.9C.BE.E6.94.B6.E9.9B.86.E5.99.A8.E6.94.AF.E6.8C.81_2">垃圾收集器支持</span></h5>
|
|
</td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-memory-gc-declare_reachable.html"><span class="t-lines"><span>declare_reachable</span></span></a></div>
|
|
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span><span class="t-mark-rev t-until-cxx23">(C++23 中移除)</span></span></span></div>
|
|
</div>
|
|
</td>
|
|
<td>声明一个对象不能被回收<br />
|
|
<span class="t-mark">(函数)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-memory-gc-undeclare_reachable.html"><span class="t-lines"><span>undeclare_reachable</span></span></a></div>
|
|
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span><span class="t-mark-rev t-until-cxx23">(C++23 中移除)</span></span></span></div>
|
|
</div>
|
|
</td>
|
|
<td>声明一个对象可以被回收<br />
|
|
<span class="t-mark">(函数模板)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-memory-gc-declare_no_pointers.html"><span class="t-lines"><span>declare_no_pointers</span></span></a></div>
|
|
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span><span class="t-mark-rev t-until-cxx23">(C++23 中移除)</span></span></span></div>
|
|
</div>
|
|
</td>
|
|
<td>声明该内存区域不含可追踪指针<br />
|
|
<span class="t-mark">(函数)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-memory-gc-undeclare_no_pointers.html"><span class="t-lines"><span>undeclare_no_pointers</span></span></a></div>
|
|
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span><span class="t-mark-rev t-until-cxx23">(C++23 中移除)</span></span></span></div>
|
|
</div>
|
|
</td>
|
|
<td>取消 <span class="t-lc"><a href="cpp-memory-gc-declare_no_pointers.html">std::declare_no_pointers</a></span> 的效果<br />
|
|
<span class="t-mark">(函数)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-memory-gc-get_pointer_safety.html"><span class="t-lines"><span>get_pointer_safety</span></span></a></div>
|
|
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span><span class="t-mark-rev t-until-cxx23">(C++23 中移除)</span></span></span></div>
|
|
</div>
|
|
</td>
|
|
<td>返回当前的指针安全模式<br />
|
|
<span class="t-mark">(函数)</span></td>
|
|
</tr>
|
|
<tr>
|
|
<td colspan="2">
|
|
<h5><span class="mw-headline" id=".E6.9C.AA.E5.88.9D.E5.A7.8B.E5.8C.96.E5.AD.98.E5.82.A8_2">未初始化存储</span></h5>
|
|
</td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-memory-uninitialized_copy.html"><span class="t-lines"><span>uninitialized_copy</span></span></a></div>
|
|
</div>
|
|
</td>
|
|
<td>将范围内的对象复制到未初始化的内存区域<br />
|
|
<span class="t-mark">(函数模板)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-memory-uninitialized_copy_n.html"><span class="t-lines"><span>uninitialized_copy_n</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>将指定数量的对象复制到未初始化的内存区域<br />
|
|
<span class="t-mark">(函数模板)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-memory-uninitialized_fill.html"><span class="t-lines"><span>uninitialized_fill</span></span></a></div>
|
|
</div>
|
|
</td>
|
|
<td>复制一个对象到以范围定义的未初始化内存区域<br />
|
|
<span class="t-mark">(函数模板)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-memory-uninitialized_fill_n.html"><span class="t-lines"><span>uninitialized_fill_n</span></span></a></div>
|
|
</div>
|
|
</td>
|
|
<td>复制一个对象到以起点和计数定义的未初始化内存区域<br />
|
|
<span class="t-mark">(函数模板)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-memory-uninitialized_move.html"><span class="t-lines"><span>uninitialized_move</span></span></a></div>
|
|
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx17">(C++17)</span></span></span></div>
|
|
</div>
|
|
</td>
|
|
<td>移动一个范围的对象到未初始化的内存区域<br />
|
|
<span class="t-mark">(函数模板)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-memory-uninitialized_move_n.html"><span class="t-lines"><span>uninitialized_move_n</span></span></a></div>
|
|
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx17">(C++17)</span></span></span></div>
|
|
</div>
|
|
</td>
|
|
<td>移动一定数量对象到未初始化内存区域<br />
|
|
<span class="t-mark">(函数模板)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-memory-uninitialized_default_construct.html"><span class="t-lines"><span>uninitialized_default_construct</span></span></a></div>
|
|
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx17">(C++17)</span></span></span></div>
|
|
</div>
|
|
</td>
|
|
<td>在范围所定义的未初始化的内存区域以<a href="cpp-language-default_initialization.html">默认初始化</a>构造对象<br />
|
|
<span class="t-mark">(函数模板)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-memory-uninitialized_default_construct_n.html"><span class="t-lines"><span>uninitialized_default_construct_n</span></span></a></div>
|
|
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx17">(C++17)</span></span></span></div>
|
|
</div>
|
|
</td>
|
|
<td>在起始和计数所定义的未初始化内存区域用<a href="cpp-language-default_initialization.html">默认初始化</a>构造对象<br />
|
|
<span class="t-mark">(函数模板)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-memory-uninitialized_value_construct.html"><span class="t-lines"><span>uninitialized_value_construct</span></span></a></div>
|
|
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx17">(C++17)</span></span></span></div>
|
|
</div>
|
|
</td>
|
|
<td>在范围所定义的未初始化内存中用<a href="cpp-language-value_initialization.html">值初始化</a>构造对象<br />
|
|
<span class="t-mark">(函数模板)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-memory-uninitialized_value_construct_n.html"><span class="t-lines"><span>uninitialized_value_construct_n</span></span></a></div>
|
|
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx17">(C++17)</span></span></span></div>
|
|
</div>
|
|
</td>
|
|
<td>在起始和计数所定义的未初始化内存区域以<a href="cpp-language-value_initialization.html">值初始化</a>构造对象<br />
|
|
<span class="t-mark">(函数模板)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-memory-construct_at.html"><span class="t-lines"><span>construct_at</span></span></a></div>
|
|
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div>
|
|
</div>
|
|
</td>
|
|
<td>在给定地址创建对象<br />
|
|
<span class="t-mark">(函数模板)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-memory-destroy_at.html"><span class="t-lines"><span>destroy_at</span></span></a></div>
|
|
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx17">(C++17)</span></span></span></div>
|
|
</div>
|
|
</td>
|
|
<td>销毁在给定地址的对象<br />
|
|
<span class="t-mark">(函数模板)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-memory-destroy.html"><span class="t-lines"><span>destroy</span></span></a></div>
|
|
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx17">(C++17)</span></span></span></div>
|
|
</div>
|
|
</td>
|
|
<td>销毁一个范围中的对象<br />
|
|
<span class="t-mark">(函数模板)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-memory-destroy_n.html"><span class="t-lines"><span>destroy_n</span></span></a></div>
|
|
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx17">(C++17)</span></span></span></div>
|
|
</div>
|
|
</td>
|
|
<td>销毁范围中一定数量的对象<br />
|
|
<span class="t-mark">(函数模板)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-memory-get_temporary_buffer.html"><span class="t-lines"><span>get_temporary_buffer</span></span></a></div>
|
|
<div><span class="t-lines"><span><span class="t-mark-rev t-deprecated-cxx17">(C++17 中弃用)</span></span><span><span class="t-mark-rev t-until-cxx20">(C++20 中移除)</span></span></span></div>
|
|
</div>
|
|
</td>
|
|
<td>获得未初始化存储<br />
|
|
<span class="t-mark">(函数模板)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-memory-return_temporary_buffer.html"><span class="t-lines"><span>return_temporary_buffer</span></span></a></div>
|
|
<div><span class="t-lines"><span><span class="t-mark-rev t-deprecated-cxx17">(C++17 中弃用)</span></span><span><span class="t-mark-rev t-until-cxx20">(C++20 中移除)</span></span></span></div>
|
|
</div>
|
|
</td>
|
|
<td>释放未初始化存储<br />
|
|
<span class="t-mark">(函数模板)</span></td>
|
|
</tr>
|
|
<tr>
|
|
<td colspan="2">
|
|
<h5><span class="mw-headline" id=".E6.99.BA.E8.83.BD.E6.8C.87.E9.92.88.E9.9D.9E.E6.88.90.E5.91.98.E6.93.8D.E4.BD.9C">智能指针非成员操作</span></h5>
|
|
</td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-memory-unique_ptr-make_unique.html"><span class="t-lines"><span>make_unique</span><span>make_unique_for_overwrite</span></span></a></div>
|
|
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx14">(C++14)</span></span><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div>
|
|
</div>
|
|
</td>
|
|
<td>创建管理一个新对象的独占指针<br />
|
|
<span class="t-mark">(函数模板)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-memory-unique_ptr-operator_cmp.html"><span class="t-lines"><span>operator==</span><span>operator!=</span><span>operator<</span><span>operator<=</span><span>operator></span><span>operator>=</span><span>operator<=></span></span></a></div>
|
|
<div><span class="t-lines"><span></span><span><span class="t-mark-rev t-until-cxx20">(C++20 中移除)</span></span><span></span><span></span><span></span><span></span><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div>
|
|
</div>
|
|
</td>
|
|
<td>与另一个 <code>unique_ptr</code> 或 <span class="t-c"><span class="mw-geshi cpp source-cpp">nullptr</span></span> 进行比较<br />
|
|
<span class="t-mark">(函数模板)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-memory-shared_ptr-make_shared.html"><span class="t-lines"><span>make_shared</span><span>make_shared_for_overwrite</span></span></a></div>
|
|
<div><span class="t-lines"><span></span><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div>
|
|
</div>
|
|
</td>
|
|
<td>创建管理一个新对象的共享指针<br />
|
|
<span class="t-mark">(函数模板)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-memory-shared_ptr-allocate_shared.html"><span class="t-lines"><span>allocate_shared</span><span>allocate_shared_for_overwrite</span></span></a></div>
|
|
<div><span class="t-lines"><span></span><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div>
|
|
</div>
|
|
</td>
|
|
<td>创建管理一个用分配器分配的新对象的共享指针<br />
|
|
<span class="t-mark">(函数模板)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-memory-shared_ptr-pointer_cast.html"><span class="t-lines"><span>static_pointer_cast</span><span>dynamic_pointer_cast</span><span>const_pointer_cast</span><span>reinterpret_pointer_cast</span></span></a></div>
|
|
<div><span class="t-lines"><span></span><span></span><span></span><span><span class="t-mark-rev t-since-cxx17">(C++17)</span></span></span></div>
|
|
</div>
|
|
</td>
|
|
<td>应用 <a href="cpp-language-static_cast.html"><tt>static_cast</tt></a>、<a href="cpp-language-dynamic_cast.html"><tt>dynamic_cast</tt></a>、<a href="cpp-language-const_cast.html"><tt>const_cast</tt></a> 或 <a href="cpp-language-reinterpret_cast.html"><tt>reinterpret_cast</tt></a> 到被存储指针<br />
|
|
<span class="t-mark">(函数模板)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-memory-shared_ptr-get_deleter.html"><span class="t-lines"><span>get_deleter</span></span></a></div>
|
|
</div>
|
|
</td>
|
|
<td>返回指定类型中的删除器，若其拥有<br />
|
|
<span class="t-mark">(函数模板)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-memory-shared_ptr-operator_cmp.html"><span class="t-lines"><span>operator==</span><span>operator!=</span><span>operator<</span><span>operator<=</span><span>operator></span><span>operator>=</span><span>operator<=></span></span></a></div>
|
|
<div><span class="t-lines"><span></span><span><span class="t-mark-rev t-until-cxx20">(C++20 中移除)</span></span><span><span class="t-mark-rev t-until-cxx20">(C++20 中移除)</span></span><span><span class="t-mark-rev t-until-cxx20">(C++20 中移除)</span></span><span><span class="t-mark-rev t-until-cxx20">(C++20 中移除)</span></span><span><span class="t-mark-rev t-until-cxx20">(C++20 中移除)</span></span><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div>
|
|
</div>
|
|
</td>
|
|
<td>与另一个 <code>shared_ptr</code> 或 <span class="t-c"><span class="mw-geshi cpp source-cpp">nullptr</span></span> 进行比较<br />
|
|
<span class="t-mark">(函数模板)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-memory-shared_ptr-operator_ltlt.html"><span class="t-lines"><span>operator<<</span></span></a></div>
|
|
</div>
|
|
</td>
|
|
<td>将存储的指针的值输出到输出流<br />
|
|
<span class="t-mark">(函数模板)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-memory-unique_ptr-swap2.html"><span class="t-lines"><span>std::swap<span class="t-dsc-small">(std::unique_ptr)</span></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>特化 <span class="t-lc"><a href="cpp-algorithm-swap.html">std::swap</a></span> 算法<br />
|
|
<span class="t-mark">(函数模板)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-memory-weak_ptr-swap2.html"><span class="t-lines"><span>std::swap<span class="t-dsc-small">(std::weak_ptr)</span></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>特化 <span class="t-lc"><a href="cpp-algorithm-swap.html">std::swap</a></span> 算法<br />
|
|
<span class="t-mark">(函数模板)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-memory-shared_ptr-swap2.html"><span class="t-lines"><span>std::swap<span class="t-dsc-small">(std::shared_ptr)</span></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>特化 <span class="t-lc"><a href="cpp-algorithm-swap.html">std::swap</a></span> 算法<br />
|
|
<span class="t-mark">(函数模板)</span></td>
|
|
</tr>
|
|
<tr>
|
|
<td colspan="2">
|
|
<h5><span class="mw-headline" id=".E6.99.BA.E8.83.BD.E6.8C.87.E9.92.88.E9.80.82.E9.85.8D.E5.99.A8.E5.88.9B.E5.BB.BA">智能指针适配器创建</span></h5>
|
|
</td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-memory-out_ptr_t-out_ptr.html"><span class="t-lines"><span>out_ptr</span></span></a></div>
|
|
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx23">(C++23)</span></span></span></div>
|
|
</div>
|
|
</td>
|
|
<td>以关联的智能指针和重设参数创建 <code>out_ptr_t</code><br />
|
|
<span class="t-mark">(函数模板)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-memory-inout_ptr_t-inout_ptr.html"><span class="t-lines"><span>inout_ptr</span></span></a></div>
|
|
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx23">(C++23)</span></span></span></div>
|
|
</div>
|
|
</td>
|
|
<td>以关联的智能指针和重设参数创建 <code>inout_ptr_t</code><br />
|
|
<span class="t-mark">(函数模板)</span></td>
|
|
</tr>
|
|
</table>
|
|
<table class="t-dsc-begin">
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-memory-shared_ptr-atomic.html"><span class="t-lines"><span>std::atomic_is_lock_free<span class="t-dsc-small">(std::shared_ptr)</span></span><span>std::atomic_load<span class="t-dsc-small">(std::shared_ptr)</span></span><span>std::atomic_load_explicit<span class="t-dsc-small">(std::shared_ptr)</span></span><span>std::atomic_store<span class="t-dsc-small">(std::shared_ptr)</span></span><span>std::atomic_store_explicit<span class="t-dsc-small">(std::shared_ptr)</span></span><span>std::atomic_exchange<span class="t-dsc-small">(std::shared_ptr)</span></span><span>std::atomic_exchange_explicit<span class="t-dsc-small">(std::shared_ptr)</span></span><span>std::atomic_compare_exchange_weak<span class="t-dsc-small">(std::shared_ptr)</span></span><span>std::atomic_compare_exchange_strong<span class="t-dsc-small">(std::shared_ptr)</span></span><span>std::atomic_compare_exchange_weak_explicit<span class="t-dsc-small">(std::shared_ptr)</span></span><span>std::atomic_compare_exchange_strong_explicit<span class="t-dsc-small">(std::shared_ptr)</span></span></span></a></div>
|
|
<div><span class="t-lines"><span><span class="t-mark-rev t-deprecated-cxx20">(C++20 中弃用)</span></span></span></div>
|
|
</div>
|
|
</td>
|
|
<td>特化的原子操作<br />
|
|
<span class="t-mark">(函数模板)</span></td>
|
|
</tr>
|
|
</table>
|
|
<table class="t-dsc-begin">
|
|
<tr>
|
|
<td colspan="2">
|
|
<h3><span class="mw-headline" id=".E4.BB.BF.E5.87.BD.E6.95.B0.E5.AE.9E.E4.BD.93">仿函数实体</span></h3>
|
|
</td>
|
|
</tr>
|
|
<tr class="t-dsc-header">
|
|
<td colspan="2">
|
|
<div>定义于命名空间 <code>std::ranges</code></div>
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td colspan="2">
|
|
<h5><span class="mw-headline" id=".E6.9C.AA.E5.88.9D.E5.A7.8B.E5.8C.96.E5.AD.98.E5.82.A8_3">未初始化存储</span></h5>
|
|
</td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-memory-ranges-uninitialized_copy.html"><span class="t-lines"><span>ranges::uninitialized_copy</span></span></a></div>
|
|
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div>
|
|
</div>
|
|
</td>
|
|
<td>复制元素范围到未初始化的内存区域<br />
|
|
<span class="t-mark">(niebloid)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-memory-ranges-uninitialized_copy_n.html"><span class="t-lines"><span>ranges::uninitialized_copy_n</span></span></a></div>
|
|
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div>
|
|
</div>
|
|
</td>
|
|
<td>复制一定量元素到未初始化的内存区域<br />
|
|
<span class="t-mark">(niebloid)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-memory-ranges-uninitialized_fill.html"><span class="t-lines"><span>ranges::uninitialized_fill</span></span></a></div>
|
|
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div>
|
|
</div>
|
|
</td>
|
|
<td>复制一个对象到范围所定义的未初始化的内存区域<br />
|
|
<span class="t-mark">(niebloid)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-memory-ranges-uninitialized_fill_n.html"><span class="t-lines"><span>ranges::uninitialized_fill_n</span></span></a></div>
|
|
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div>
|
|
</div>
|
|
</td>
|
|
<td>复制一个对象到起始与计数所定义的未初始化的内存区域<br />
|
|
<span class="t-mark">(niebloid)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-memory-ranges-uninitialized_move.html"><span class="t-lines"><span>ranges::uninitialized_move</span></span></a></div>
|
|
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div>
|
|
</div>
|
|
</td>
|
|
<td>移动对象范围到未初始化的内存区域<br />
|
|
<span class="t-mark">(niebloid)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-memory-ranges-uninitialized_move_n.html"><span class="t-lines"><span>ranges::uninitialized_move_n</span></span></a></div>
|
|
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div>
|
|
</div>
|
|
</td>
|
|
<td>移动一定量对象到未初始化的内存区域<br />
|
|
<span class="t-mark">(niebloid)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-memory-ranges-uninitialized_default_construct.html"><span class="t-lines"><span>ranges::uninitialized_default_construct</span></span></a></div>
|
|
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div>
|
|
</div>
|
|
</td>
|
|
<td>在范围所定义的未初始化的内存区域以<a href="cpp-language-default_initialization.html">默认初始化</a>构造对象<br />
|
|
<span class="t-mark">(niebloid)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-memory-ranges-uninitialized_default_construct_n.html"><span class="t-lines"><span>ranges::uninitialized_default_construct_n</span></span></a></div>
|
|
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div>
|
|
</div>
|
|
</td>
|
|
<td>在起始与计数所定义的未初始化的内存区域以<a href="cpp-language-default_initialization.html">默认初始化</a>构造对象<br />
|
|
<span class="t-mark">(niebloid)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-memory-ranges-uninitialized_value_construct.html"><span class="t-lines"><span>ranges::uninitialized_value_construct</span></span></a></div>
|
|
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div>
|
|
</div>
|
|
</td>
|
|
<td>在范围所定义的未初始化的内存区域以<a href="cpp-language-value_initialization.html">值初始化</a>构造对象<br />
|
|
<span class="t-mark">(niebloid)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-memory-ranges-uninitialized_value_construct_n.html"><span class="t-lines"><span>ranges::uninitialized_value_construct_n</span></span></a></div>
|
|
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div>
|
|
</div>
|
|
</td>
|
|
<td>在起始与计数所定义的未初始化的内存区域以<a href="cpp-language-value_initialization.html">值初始化</a>构造对象<br />
|
|
<span class="t-mark">(niebloid)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-memory-ranges-construct_at.html"><span class="t-lines"><span>ranges::construct_at</span></span></a></div>
|
|
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div>
|
|
</div>
|
|
</td>
|
|
<td>在给定地址创建对象<br />
|
|
<span class="t-mark">(niebloid)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-memory-ranges-destroy_at.html"><span class="t-lines"><span>ranges::destroy_at</span></span></a></div>
|
|
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div>
|
|
</div>
|
|
</td>
|
|
<td>销毁位于给定地址的元素<br />
|
|
<span class="t-mark">(niebloid)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-memory-ranges-destroy.html"><span class="t-lines"><span>ranges::destroy</span></span></a></div>
|
|
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div>
|
|
</div>
|
|
</td>
|
|
<td>销毁范围中的元素<br />
|
|
<span class="t-mark">(niebloid)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><a href="cpp-memory-ranges-destroy_n.html"><span class="t-lines"><span>ranges::destroy_n</span></span></a></div>
|
|
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div>
|
|
</div>
|
|
</td>
|
|
<td>销毁范围中一定量的元素<br />
|
|
<span class="t-mark">(niebloid)</span></td>
|
|
</tr>
|
|
</table>
|
|
<h3><span class="mw-headline" id=".E6.A6.82.E8.A6.81">概要</span></h3>
|
|
<div dir="ltr" class="mw-geshi" style="text-align: left;">
|
|
<div class="cpp source-cpp">
|
|
<pre class="de1"><span class="co2">#include <compare></span>
|
|
|
|
<span class="kw1">namespace</span> std <span class="br0">{</span>
|
|
<span class="co1">// 指针特征</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> Ptr<span class="sy1">></span> <span class="kw1">struct</span> pointer_traits<span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T<span class="sy1">></span> <span class="kw1">struct</span> pointer_traits<span class="sy1"><</span>T<span class="sy2">*</span><span class="sy1">></span><span class="sy4">;</span>
|
|
|
|
<span class="co1">// 指针转换</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T<span class="sy1">></span>
|
|
<span class="kw4">constexpr</span> T<span class="sy2">*</span> to_address<span class="br0">(</span>T<span class="sy2">*</span> p<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> Ptr<span class="sy1">></span>
|
|
<span class="kw4">constexpr</span> <span class="kw4">auto</span> to_address<span class="br0">(</span><span class="kw4">const</span> Ptr<span class="sy3">&</span> p<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
|
|
<span class="co1">// 指针对齐</span>
|
|
<span class="kw4">void</span><span class="sy2">*</span> align<span class="br0">(</span>size_t alignment, size_t size, <span class="kw4">void</span><span class="sy2">*</span><span class="sy3">&</span> ptr, size_t<span class="sy3">&</span> space<span class="br0">)</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span>size_t N, <span class="kw1">class</span> T<span class="sy1">></span>
|
|
<span class="br0">[</span><span class="br0">[</span>nodiscard<span class="br0">]</span><span class="br0">]</span> <span class="kw4">constexpr</span> T<span class="sy2">*</span> assume_aligned<span class="br0">(</span>T<span class="sy2">*</span> ptr<span class="br0">)</span><span class="sy4">;</span>
|
|
|
|
<span class="co1">// 分配器参数标签</span>
|
|
<span class="kw1">struct</span> allocator_arg_t <span class="br0">{</span> <span class="kw1">explicit</span> allocator_arg_t<span class="br0">(</span><span class="br0">)</span> <span class="sy1">=</span> <span class="kw1">default</span><span class="sy4">;</span> <span class="br0">}</span><span class="sy4">;</span>
|
|
<span class="kw1">inline</span> <span class="kw4">constexpr</span> allocator_arg_t allocator_arg<span class="br0">{</span><span class="br0">}</span><span class="sy4">;</span>
|
|
|
|
<span class="co1">// uses_­allocator</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T, <span class="kw1">class</span> Alloc<span class="sy1">></span> <span class="kw1">struct</span> uses_allocator<span class="sy4">;</span>
|
|
|
|
<span class="co1">// uses_­allocator</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T, <span class="kw1">class</span> Alloc<span class="sy1">></span>
|
|
<span class="kw1">inline</span> <span class="kw4">constexpr</span> <span class="kw4">bool</span> uses_allocator_v <span class="sy1">=</span> uses_allocator<span class="sy1"><</span>T, Alloc<span class="sy1">></span><span class="sy4">::</span><span class="me2">value</span><span class="sy4">;</span>
|
|
|
|
<span class="co1">// 使用分配器构造</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T, <span class="kw1">class</span> Alloc, <span class="kw1">class</span>... <span class="me1">Args</span><span class="sy1">></span>
|
|
<span class="kw4">constexpr</span> <span class="kw4">auto</span> uses_allocator_construction_args<span class="br0">(</span><span class="kw4">const</span> Alloc<span class="sy3">&</span> alloc,
|
|
Args<span class="sy3">&&</span>... <span class="me1">args</span><span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T, <span class="kw1">class</span> Alloc, <span class="kw1">class</span> Tuple1, <span class="kw1">class</span> Tuple2<span class="sy1">></span>
|
|
<span class="kw4">constexpr</span> <span class="kw4">auto</span> uses_allocator_construction_args<span class="br0">(</span><span class="kw4">const</span> Alloc<span class="sy3">&</span> alloc, piecewise_construct_t,
|
|
Tuple1<span class="sy3">&&</span> x, Tuple2<span class="sy3">&&</span> y<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T, <span class="kw1">class</span> Alloc<span class="sy1">></span>
|
|
<span class="kw4">constexpr</span> <span class="kw4">auto</span> uses_allocator_construction_args<span class="br0">(</span><span class="kw4">const</span> Alloc<span class="sy3">&</span> alloc<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T, <span class="kw1">class</span> Alloc, <span class="kw1">class</span> U, <span class="kw1">class</span> V<span class="sy1">></span>
|
|
<span class="kw4">constexpr</span> <span class="kw4">auto</span> uses_allocator_construction_args<span class="br0">(</span><span class="kw4">const</span> Alloc<span class="sy3">&</span> alloc,
|
|
U<span class="sy3">&&</span> u, V<span class="sy3">&&</span> v<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T, <span class="kw1">class</span> Alloc, <span class="kw1">class</span> U, <span class="kw1">class</span> V<span class="sy1">></span>
|
|
<span class="kw4">constexpr</span> <span class="kw4">auto</span> uses_allocator_construction_args<span class="br0">(</span><span class="kw4">const</span> Alloc<span class="sy3">&</span> alloc,
|
|
<span class="kw4">const</span> pair<span class="sy1"><</span>U, V<span class="sy1">></span><span class="sy3">&</span> pr<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T, <span class="kw1">class</span> Alloc, <span class="kw1">class</span> U, <span class="kw1">class</span> V<span class="sy1">></span>
|
|
<span class="kw4">constexpr</span> <span class="kw4">auto</span> uses_allocator_construction_args<span class="br0">(</span><span class="kw4">const</span> Alloc<span class="sy3">&</span> alloc,
|
|
pair<span class="sy1"><</span>U, V<span class="sy1">></span><span class="sy3">&&</span> pr<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T, <span class="kw1">class</span> Alloc, <span class="kw1">class</span>... <span class="me1">Args</span><span class="sy1">></span>
|
|
<span class="kw4">constexpr</span> T make_obj_using_allocator<span class="br0">(</span><span class="kw4">const</span> Alloc<span class="sy3">&</span> alloc, Args<span class="sy3">&&</span>... <span class="me1">args</span><span class="br0">)</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T, <span class="kw1">class</span> Alloc, <span class="kw1">class</span>... <span class="me1">Args</span><span class="sy1">></span>
|
|
<span class="kw4">constexpr</span> T<span class="sy2">*</span> uninitialized_construct_using_allocator<span class="br0">(</span>T<span class="sy2">*</span> p, <span class="kw4">const</span> Alloc<span class="sy3">&</span> alloc,
|
|
Args<span class="sy3">&&</span>... <span class="me1">args</span><span class="br0">)</span><span class="sy4">;</span>
|
|
|
|
<span class="co1">// 分配器特征</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> Alloc<span class="sy1">></span> <span class="kw1">struct</span> allocator_traits<span class="sy4">;</span>
|
|
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> Pointer<span class="sy1">></span>
|
|
<span class="kw1">struct</span> allocation_result <span class="br0">{</span>
|
|
Pointer ptr<span class="sy4">;</span>
|
|
size_t count<span class="sy4">;</span>
|
|
<span class="br0">}</span><span class="sy4">;</span>
|
|
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> Allocator<span class="sy1">></span>
|
|
<span class="br0">[</span><span class="br0">[</span>nodiscard<span class="br0">]</span><span class="br0">]</span> <span class="kw4">constexpr</span> allocation_result<span class="sy1"><</span><span class="kw1">typename</span> allocator_traits<span class="sy1"><</span>Allocator<span class="sy1">></span><span class="sy4">::</span><span class="me2">pointer</span><span class="sy1">></span>
|
|
allocate_at_least<span class="br0">(</span>Allocator<span class="sy3">&</span> a, size_t n<span class="br0">)</span><span class="sy4">;</span>
|
|
|
|
<span class="co1">// 默认分配器</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T<span class="sy1">></span> <span class="kw1">class</span> allocator<span class="sy4">;</span>
|
|
<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>
|
|
<span class="kw4">constexpr</span> <span class="kw4">bool</span> operator<span class="sy1">==</span><span class="br0">(</span><span class="kw4">const</span> allocator<span class="sy1"><</span>T<span class="sy1">></span><span class="sy3">&</span>, <span class="kw4">const</span> allocator<span class="sy1"><</span>U<span class="sy1">></span><span class="sy3">&</span><span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
|
|
<span class="co1">// addressof</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T<span class="sy1">></span>
|
|
<span class="kw4">constexpr</span> T<span class="sy2">*</span> addressof<span class="br0">(</span>T<span class="sy3">&</span> r<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T<span class="sy1">></span>
|
|
<span class="kw4">const</span> T<span class="sy2">*</span> addressof<span class="br0">(</span><span class="kw4">const</span> T<span class="sy3">&&</span><span class="br0">)</span> <span class="sy1">=</span> delete<span class="sy4">;</span>
|
|
|
|
<span class="co1">// 特化的算法</span>
|
|
<span class="co1">// 特殊内存概念</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> I<span class="sy1">></span>
|
|
concept no<span class="sy2">-</span>throw<span class="sy2">-</span>input<span class="sy2">-</span>iterator <span class="sy1">=</span> <span class="coMULTI">/* 见描述 */</span><span class="sy4">;</span> <span class="co1">// 仅用于阐释</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> I<span class="sy1">></span>
|
|
concept no<span class="sy2">-</span>throw<span class="sy2">-</span>forward<span class="sy2">-</span>iterator <span class="sy1">=</span> <span class="coMULTI">/* 见描述 */</span><span class="sy4">;</span> <span class="co1">// 仅用于阐释</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> S, <span class="kw1">class</span> I<span class="sy1">></span>
|
|
concept no<span class="sy2">-</span>throw<span class="sy2">-</span>sentinel<span class="sy2">-</span><span class="kw1">for</span> <span class="sy1">=</span> <span class="coMULTI">/* 见描述 */</span><span class="sy4">;</span> <span class="co1">// 仅用于阐释</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> R<span class="sy1">></span>
|
|
concept no<span class="sy2">-</span>throw<span class="sy2">-</span>input<span class="sy2">-</span>range <span class="sy1">=</span> <span class="coMULTI">/* 见描述 */</span><span class="sy4">;</span> <span class="co1">// 仅用于阐释</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> R<span class="sy1">></span>
|
|
concept no<span class="sy2">-</span>throw<span class="sy2">-</span>forward<span class="sy2">-</span>range <span class="sy1">=</span> <span class="coMULTI">/* 见描述 */</span><span class="sy4">;</span> <span class="co1">// 仅用于阐释</span>
|
|
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> NoThrowForwardIt<span class="sy1">></span>
|
|
<span class="kw4">void</span> uninitialized_default_construct<span class="br0">(</span>NoThrowForwardIt first,
|
|
NoThrowForwardIt last<span class="br0">)</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> ExecutionPolicy, <span class="kw1">class</span> NoThrowForwardIt<span class="sy1">></span>
|
|
<span class="kw4">void</span> uninitialized_default_construct<span class="br0">(</span>ExecutionPolicy<span class="sy3">&&</span> exec,
|
|
NoThrowForwardIt first,
|
|
NoThrowForwardIt last<span class="br0">)</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> NoThrowForwardIt, <span class="kw1">class</span> Size<span class="sy1">></span>
|
|
NoThrowForwardIt
|
|
uninitialized_default_construct_n<span class="br0">(</span>NoThrowForwardIt first, Size n<span class="br0">)</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> ExecutionPolicy, <span class="kw1">class</span> NoThrowForwardIt, <span class="kw1">class</span> Size<span class="sy1">></span>
|
|
NoThrowForwardIt
|
|
uninitialized_default_construct_n<span class="br0">(</span>ExecutionPolicy<span class="sy3">&&</span> exec,
|
|
NoThrowForwardIt first, Size n<span class="br0">)</span><span class="sy4">;</span>
|
|
|
|
<span class="kw1">namespace</span> ranges <span class="br0">{</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span>no<span class="sy2">-</span>throw<span class="sy2">-</span>forward<span class="sy2">-</span>iterator I, no<span class="sy2">-</span>throw<span class="sy2">-</span>sentinel<span class="sy2">-</span><span class="kw1">for</span><span class="sy1"><</span>I<span class="sy1">></span> S<span class="sy1">></span>
|
|
requires default_­initializable<span class="sy1"><</span>iter_value_t<span class="sy1"><</span>I<span class="sy1">>></span>
|
|
I uninitialized_default_construct<span class="br0">(</span>I first, S last<span class="br0">)</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span>no<span class="sy2">-</span>throw<span class="sy2">-</span>forward<span class="sy2">-</span>range R<span class="sy1">></span>
|
|
requires default_­initializable<span class="sy1"><</span>range_value_t<span class="sy1"><</span>R<span class="sy1">>></span>
|
|
borrowed_iterator_t<span class="sy1"><</span>R<span class="sy1">></span> uninitialized_default_construct<span class="br0">(</span>R<span class="sy3">&&</span> r<span class="br0">)</span><span class="sy4">;</span>
|
|
|
|
<span class="kw1">template</span><span class="sy1"><</span>no<span class="sy2">-</span>throw<span class="sy2">-</span>forward<span class="sy2">-</span>iterator I<span class="sy1">></span>
|
|
requires default_­initializable<span class="sy1"><</span>iter_value_t<span class="sy1"><</span>I<span class="sy1">>></span>
|
|
I uninitialized_default_construct_n<span class="br0">(</span>I first, iter_difference_t<span class="sy1"><</span>I<span class="sy1">></span> n<span class="br0">)</span><span class="sy4">;</span>
|
|
<span class="br0">}</span>
|
|
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> NoThrowForwardIterator<span class="sy1">></span>
|
|
<span class="kw4">void</span> uninitialized_value_construct<span class="br0">(</span>NoThrowForwardIterator first,
|
|
NoThrowForwardIterator last<span class="br0">)</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> ExecutionPolicy, <span class="kw1">class</span> NoThrowForwardIt<span class="sy1">></span>
|
|
<span class="kw4">void</span> uninitialized_value_construct<span class="br0">(</span>ExecutionPolicy<span class="sy3">&&</span> exec,
|
|
NoThrowForwardIt first,
|
|
NoThrowForwardIt last<span class="br0">)</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> NoThrowForwardIt, <span class="kw1">class</span> Size<span class="sy1">></span>
|
|
NoThrowForwardIt
|
|
uninitialized_value_construct_n<span class="br0">(</span>NoThrowForwardIt first, Size n<span class="br0">)</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> ExecutionPolicy, <span class="kw1">class</span> NoThrowForwardIt, <span class="kw1">class</span> Size<span class="sy1">></span>
|
|
NoThrowForwardIt
|
|
uninitialized_value_construct_n<span class="br0">(</span>ExecutionPolicy<span class="sy3">&&</span> exec,
|
|
NoThrowForwardIt first, Size n<span class="br0">)</span><span class="sy4">;</span>
|
|
|
|
<span class="kw1">namespace</span> ranges <span class="br0">{</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span>no<span class="sy2">-</span>throw<span class="sy2">-</span>forward<span class="sy2">-</span>iterator I, no<span class="sy2">-</span>throw<span class="sy2">-</span>sentinel<span class="sy2">-</span><span class="kw1">for</span><span class="sy1"><</span>I<span class="sy1">></span> S<span class="sy1">></span>
|
|
requires default_­initializable<span class="sy1"><</span>iter_value_t<span class="sy1"><</span>I<span class="sy1">>></span>
|
|
I uninitialized_value_construct<span class="br0">(</span>I first, S last<span class="br0">)</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span>no<span class="sy2">-</span>throw<span class="sy2">-</span>forward<span class="sy2">-</span>range R<span class="sy1">></span>
|
|
requires default_­initializable<span class="sy1"><</span>range_value_t<span class="sy1"><</span>R<span class="sy1">>></span>
|
|
borrowed_iterator_t<span class="sy1"><</span>R<span class="sy1">></span> uninitialized_value_construct<span class="br0">(</span>R<span class="sy3">&&</span> r<span class="br0">)</span><span class="sy4">;</span>
|
|
|
|
<span class="kw1">template</span><span class="sy1"><</span>no<span class="sy2">-</span>throw<span class="sy2">-</span>forward<span class="sy2">-</span>iterator I<span class="sy1">></span>
|
|
requires default_­initializable<span class="sy1"><</span>iter_value_t<span class="sy1"><</span>I<span class="sy1">>></span>
|
|
I uninitialized_value_construct_n<span class="br0">(</span>I first, iter_difference_t<span class="sy1"><</span>I<span class="sy1">></span> n<span class="br0">)</span><span class="sy4">;</span>
|
|
<span class="br0">}</span>
|
|
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> InputIt, <span class="kw1">class</span> NoThrowForwardIt<span class="sy1">></span>
|
|
NoThrowForwardIt uninitialized_copy<span class="br0">(</span>InputIt first, InputIt last,
|
|
NoThrowForwardIt result<span class="br0">)</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> ExecutionPolicy, <span class="kw1">class</span> ForwardIt, <span class="kw1">class</span> NoThrowForwardIt<span class="sy1">></span>
|
|
NoThrowForwardIt uninitialized_copy<span class="br0">(</span>ExecutionPolicy<span class="sy3">&&</span> exec,
|
|
ForwardIt first, ForwardIt last,
|
|
NoThrowForwardIt result<span class="br0">)</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> InputIt, <span class="kw1">class</span> Size, <span class="kw1">class</span> NoThrowForwardIt<span class="sy1">></span>
|
|
NoThrowForwardIt uninitialized_copy_n<span class="br0">(</span>InputIt first, Size n,
|
|
NoThrowForwardIt result<span class="br0">)</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> ExecutionPolicy, <span class="kw1">class</span> ForwardIt, <span class="kw1">class</span> Size,
|
|
<span class="kw1">class</span> NoThrowForwardIt<span class="sy1">></span>
|
|
NoThrowForwardIt uninitialized_copy_n<span class="br0">(</span>ExecutionPolicy<span class="sy3">&&</span> exec,
|
|
ForwardIt first, Size n,
|
|
NoThrowForwardIt result<span class="br0">)</span><span class="sy4">;</span>
|
|
|
|
<span class="kw1">namespace</span> ranges <span class="br0">{</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> I, <span class="kw1">class</span> O<span class="sy1">></span>
|
|
<span class="kw1">using</span> uninitialized_copy_result <span class="sy1">=</span> in_out_result<span class="sy1"><</span>I, O<span class="sy1">></span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span>input_­iterator I, sentinel_­<span class="kw1">for</span><span class="sy1"><</span>I<span class="sy1">></span> S1,
|
|
no<span class="sy2">-</span>throw<span class="sy2">-</span>forward<span class="sy2">-</span>iterator O, no<span class="sy2">-</span>throw<span class="sy2">-</span>sentinel<span class="sy2">-</span><span class="kw1">for</span><span class="sy1"><</span>O<span class="sy1">></span> S2<span class="sy1">></span>
|
|
requires constructible_­from<span class="sy1"><</span>iter_value_t<span class="sy1"><</span>O<span class="sy1">></span>, iter_reference_t<span class="sy1"><</span>I<span class="sy1">>></span>
|
|
uninitialized_copy_result<span class="sy1"><</span>I, O<span class="sy1">></span>
|
|
uninitialized_copy<span class="br0">(</span>I ifirst, S1 ilast, O ofirst, S2 olast<span class="br0">)</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span>input_­range IR, no<span class="sy2">-</span>throw<span class="sy2">-</span>forward<span class="sy2">-</span>range OR<span class="sy1">></span>
|
|
requires constructible_­from<span class="sy1"><</span>range_value_t<span class="sy1"><</span>OR<span class="sy1">></span>, range_reference_t<span class="sy1"><</span>IR<span class="sy1">>></span>
|
|
uninitialized_copy_result<span class="sy1"><</span>borrowed_iterator_t<span class="sy1"><</span>IR<span class="sy1">></span>, borrowed_iterator_t<span class="sy1"><</span>OR<span class="sy1">>></span>
|
|
uninitialized_copy<span class="br0">(</span>IR<span class="sy3">&&</span> in_range, OR<span class="sy3">&&</span> out_range<span class="br0">)</span><span class="sy4">;</span>
|
|
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> I, <span class="kw1">class</span> O<span class="sy1">></span>
|
|
<span class="kw1">using</span> uninitialized_copy_n_result <span class="sy1">=</span> in_out_result<span class="sy1"><</span>I, O<span class="sy1">></span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span>input_­iterator I, no<span class="sy2">-</span>throw<span class="sy2">-</span>forward<span class="sy2">-</span>iterator O, no<span class="sy2">-</span>throw<span class="sy2">-</span>sentinel<span class="sy2">-</span><span class="kw1">for</span><span class="sy1"><</span>O<span class="sy1">></span> S<span class="sy1">></span>
|
|
requires constructible_­from<span class="sy1"><</span>iter_value_t<span class="sy1"><</span>O<span class="sy1">></span>, iter_reference_t<span class="sy1"><</span>I<span class="sy1">>></span>
|
|
uninitialized_copy_n_result<span class="sy1"><</span>I, O<span class="sy1">></span>
|
|
uninitialized_copy_n<span class="br0">(</span>I ifirst, iter_difference_t<span class="sy1"><</span>I<span class="sy1">></span> n, O ofirst, S olast<span class="br0">)</span><span class="sy4">;</span>
|
|
<span class="br0">}</span>
|
|
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> InputIt, <span class="kw1">class</span> NoThrowForwardIt<span class="sy1">></span>
|
|
NoThrowForwardIt uninitialized_move<span class="br0">(</span>InputIt first, InputIt last,
|
|
NoThrowForwardIt result<span class="br0">)</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> ExecutionPolicy, <span class="kw1">class</span> ForwardIt, <span class="kw1">class</span> NoThrowForwardIt<span class="sy1">></span>
|
|
NoThrowForwardIt uninitialized_move<span class="br0">(</span>ExecutionPolicy<span class="sy3">&&</span> exec,
|
|
ForwardIt first, ForwardIt last,
|
|
NoThrowForwardIt result<span class="br0">)</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> InputIt, <span class="kw1">class</span> Size, <span class="kw1">class</span> NoThrowForwardIt<span class="sy1">></span>
|
|
pair<span class="sy1"><</span>InputIt, NoThrowForwardIt<span class="sy1">></span>
|
|
uninitialized_move_n<span class="br0">(</span>InputIt first, Size n, NoThrowForwardIt result<span class="br0">)</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> ExecutionPolicy, <span class="kw1">class</span> ForwardIt, <span class="kw1">class</span> Size,
|
|
<span class="kw1">class</span> NoThrowForwardIt<span class="sy1">></span>
|
|
pair<span class="sy1"><</span>ForwardIt, NoThrowForwardIt<span class="sy1">></span>
|
|
uninitialized_move_n<span class="br0">(</span>ExecutionPolicy<span class="sy3">&&</span> exec,
|
|
ForwardIt first, Size n, NoThrowForwardIt result<span class="br0">)</span><span class="sy4">;</span>
|
|
|
|
<span class="kw1">namespace</span> ranges <span class="br0">{</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> I, <span class="kw1">class</span> O<span class="sy1">></span>
|
|
<span class="kw1">using</span> uninitialized_move_result <span class="sy1">=</span> in_out_result<span class="sy1"><</span>I, O<span class="sy1">></span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span>input_­iterator I, sentinel_­<span class="kw1">for</span><span class="sy1"><</span>I<span class="sy1">></span> S1,
|
|
no<span class="sy2">-</span>throw<span class="sy2">-</span>forward<span class="sy2">-</span>iterator O, no<span class="sy2">-</span>throw<span class="sy2">-</span>sentinel<span class="sy2">-</span><span class="kw1">for</span><span class="sy1"><</span>O<span class="sy1">></span> S2<span class="sy1">></span>
|
|
requires constructible_­from<span class="sy1"><</span>iter_value_t<span class="sy1"><</span>O<span class="sy1">></span>, iter_rvalue_reference_t<span class="sy1"><</span>I<span class="sy1">>></span>
|
|
uninitialized_move_result<span class="sy1"><</span>I, O<span class="sy1">></span>
|
|
uninitialized_move<span class="br0">(</span>I ifirst, S1 ilast, O ofirst, S2 olast<span class="br0">)</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span>input_­range IR, no<span class="sy2">-</span>throw<span class="sy2">-</span>forward<span class="sy2">-</span>range OR<span class="sy1">></span>
|
|
requires constructible_­from<span class="sy1"><</span>range_value_t<span class="sy1"><</span>OR<span class="sy1">></span>, range_rvalue_reference_t<span class="sy1"><</span>IR<span class="sy1">>></span>
|
|
uninitialized_move_result<span class="sy1"><</span>borrowed_iterator_t<span class="sy1"><</span>IR<span class="sy1">></span>, borrowed_iterator_t<span class="sy1"><</span>OR<span class="sy1">>></span>
|
|
uninitialized_move<span class="br0">(</span>IR<span class="sy3">&&</span> in_range, OR<span class="sy3">&&</span> out_range<span class="br0">)</span><span class="sy4">;</span>
|
|
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> I, <span class="kw1">class</span> O<span class="sy1">></span>
|
|
<span class="kw1">using</span> uninitialized_move_n_result <span class="sy1">=</span> in_out_result<span class="sy1"><</span>I, O<span class="sy1">></span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span>input_­iterator I,
|
|
no<span class="sy2">-</span>throw<span class="sy2">-</span>forward<span class="sy2">-</span>iterator O, no<span class="sy2">-</span>throw<span class="sy2">-</span>sentinel<span class="sy2">-</span><span class="kw1">for</span><span class="sy1"><</span>O<span class="sy1">></span> S<span class="sy1">></span>
|
|
requires constructible_­from<span class="sy1"><</span>iter_value_t<span class="sy1"><</span>O<span class="sy1">></span>, iter_rvalue_reference_t<span class="sy1"><</span>I<span class="sy1">>></span>
|
|
uninitialized_move_n_result<span class="sy1"><</span>I, O<span class="sy1">></span>
|
|
uninitialized_move_n<span class="br0">(</span>I ifirst, iter_difference_t<span class="sy1"><</span>I<span class="sy1">></span> n, O ofirst, S olast<span class="br0">)</span><span class="sy4">;</span>
|
|
<span class="br0">}</span>
|
|
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> NoThrowForwardIt, <span class="kw1">class</span> T<span class="sy1">></span>
|
|
<span class="kw4">void</span> uninitialized_fill<span class="br0">(</span>NoThrowForwardIt first, NoThrowForwardIt last,
|
|
<span class="kw4">const</span> T<span class="sy3">&</span> x<span class="br0">)</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> ExecutionPolicy, <span class="kw1">class</span> NoThrowForwardIt, <span class="kw1">class</span> T<span class="sy1">></span>
|
|
<span class="kw4">void</span> uninitialized_fill<span class="br0">(</span>ExecutionPolicy<span class="sy3">&&</span> exec,
|
|
NoThrowForwardIt first, NoThrowForwardIt last,
|
|
<span class="kw4">const</span> T<span class="sy3">&</span> x<span class="br0">)</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> NoThrowForwardIt, <span class="kw1">class</span> Size, <span class="kw1">class</span> T<span class="sy1">></span>
|
|
NoThrowForwardIt
|
|
uninitialized_fill_n<span class="br0">(</span>NoThrowForwardIt first, Size n, <span class="kw4">const</span> T<span class="sy3">&</span> x<span class="br0">)</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> ExecutionPolicy, <span class="kw1">class</span> NoThrowForwardIt, <span class="kw1">class</span> Size, <span class="kw1">class</span> T<span class="sy1">></span>
|
|
NoThrowForwardIt
|
|
uninitialized_fill_n<span class="br0">(</span>ExecutionPolicy<span class="sy3">&&</span> exec,
|
|
NoThrowForwardIt first, Size n, <span class="kw4">const</span> T<span class="sy3">&</span> x<span class="br0">)</span><span class="sy4">;</span>
|
|
|
|
<span class="kw1">namespace</span> ranges <span class="br0">{</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span>no<span class="sy2">-</span>throw<span class="sy2">-</span>forward<span class="sy2">-</span>iterator I, no<span class="sy2">-</span>throw<span class="sy2">-</span>sentinel<span class="sy2">-</span><span class="kw1">for</span><span class="sy1"><</span>I<span class="sy1">></span> S, <span class="kw1">class</span> T<span class="sy1">></span>
|
|
requires constructible_­from<span class="sy1"><</span>iter_value_t<span class="sy1"><</span>I<span class="sy1">></span>, <span class="kw4">const</span> T<span class="sy3">&</span><span class="sy1">></span>
|
|
I uninitialized_fill<span class="br0">(</span>I first, S last, <span class="kw4">const</span> T<span class="sy3">&</span> x<span class="br0">)</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span>no<span class="sy2">-</span>throw<span class="sy2">-</span>forward<span class="sy2">-</span>range R, <span class="kw1">class</span> T<span class="sy1">></span>
|
|
requires constructible_­from<span class="sy1"><</span>range_value_t<span class="sy1"><</span>R<span class="sy1">></span>, <span class="kw4">const</span> T<span class="sy3">&</span><span class="sy1">></span>
|
|
borrowed_iterator_t<span class="sy1"><</span>R<span class="sy1">></span> uninitialized_fill<span class="br0">(</span>R<span class="sy3">&&</span> r, <span class="kw4">const</span> T<span class="sy3">&</span> x<span class="br0">)</span><span class="sy4">;</span>
|
|
|
|
<span class="kw1">template</span><span class="sy1"><</span>no<span class="sy2">-</span>throw<span class="sy2">-</span>forward<span class="sy2">-</span>iterator I, <span class="kw1">class</span> T<span class="sy1">></span>
|
|
requires constructible_­from<span class="sy1"><</span>iter_value_t<span class="sy1"><</span>I<span class="sy1">></span>, <span class="kw4">const</span> T<span class="sy3">&</span><span class="sy1">></span>
|
|
I uninitialized_fill_n<span class="br0">(</span>I first, iter_difference_t<span class="sy1"><</span>I<span class="sy1">></span> n, <span class="kw4">const</span> T<span class="sy3">&</span> x<span class="br0">)</span><span class="sy4">;</span>
|
|
<span class="br0">}</span>
|
|
|
|
<span class="co1">// construct_­at</span>
|
|
<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>
|
|
<span class="kw4">constexpr</span> T<span class="sy2">*</span> construct_at<span class="br0">(</span>T<span class="sy2">*</span> location, Args<span class="sy3">&&</span>... <span class="me1">args</span><span class="br0">)</span><span class="sy4">;</span>
|
|
|
|
<span class="kw1">namespace</span> ranges <span class="br0">{</span>
|
|
<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>
|
|
<span class="kw4">constexpr</span> T<span class="sy2">*</span> construct_at<span class="br0">(</span>T<span class="sy2">*</span> location, Args<span class="sy3">&&</span>... <span class="me1">args</span><span class="br0">)</span><span class="sy4">;</span>
|
|
<span class="br0">}</span>
|
|
|
|
<span class="co1">// destroy</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T<span class="sy1">></span>
|
|
<span class="kw4">constexpr</span> <span class="kw4">void</span> destroy_at<span class="br0">(</span>T<span class="sy2">*</span> location<span class="br0">)</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> NoThrowForwardIt<span class="sy1">></span>
|
|
<span class="kw4">constexpr</span> <span class="kw4">void</span> destroy<span class="br0">(</span>NoThrowForwardIt first, NoThrowForwardIt last<span class="br0">)</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> ExecutionPolicy, <span class="kw1">class</span> NoThrowForwardIt<span class="sy1">></span>
|
|
<span class="kw4">void</span> destroy<span class="br0">(</span>ExecutionPolicy<span class="sy3">&&</span> exec,
|
|
NoThrowForwardIt first, NoThrowForwardIt last<span class="br0">)</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> NoThrowForwardIt, <span class="kw1">class</span> Size<span class="sy1">></span>
|
|
<span class="kw4">constexpr</span> NoThrowForwardIt destroy_n<span class="br0">(</span>NoThrowForwardIt first, Size n<span class="br0">)</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> ExecutionPolicy, <span class="kw1">class</span> NoThrowForwardIt, <span class="kw1">class</span> Size<span class="sy1">></span>
|
|
NoThrowForwardIt destroy_n<span class="br0">(</span>ExecutionPolicy<span class="sy3">&&</span> exec,
|
|
NoThrowForwardIt first, Size n<span class="br0">)</span><span class="sy4">;</span>
|
|
|
|
<span class="kw1">namespace</span> ranges <span class="br0">{</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span>destructible T<span class="sy1">></span>
|
|
<span class="kw4">constexpr</span> <span class="kw4">void</span> destroy_at<span class="br0">(</span>T<span class="sy2">*</span> location<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
|
|
<span class="kw1">template</span><span class="sy1"><</span>no<span class="sy2">-</span>throw<span class="sy2">-</span>input<span class="sy2">-</span>iterator I, no<span class="sy2">-</span>throw<span class="sy2">-</span>sentinel<span class="sy2">-</span><span class="kw1">for</span><span class="sy1"><</span>I<span class="sy1">></span> S<span class="sy1">></span>
|
|
requires destructible<span class="sy1"><</span>iter_value_t<span class="sy1"><</span>I<span class="sy1">>></span>
|
|
<span class="kw4">constexpr</span> I destroy<span class="br0">(</span>I first, S last<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span>no<span class="sy2">-</span>throw<span class="sy2">-</span>input<span class="sy2">-</span>range R<span class="sy1">></span>
|
|
requires destructible<span class="sy1"><</span>range_value_t<span class="sy1"><</span>R<span class="sy1">>></span>
|
|
<span class="kw4">constexpr</span> borrowed_iterator_t<span class="sy1"><</span>R<span class="sy1">></span> destroy<span class="br0">(</span>R<span class="sy3">&&</span> r<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
|
|
<span class="kw1">template</span><span class="sy1"><</span>no<span class="sy2">-</span>throw<span class="sy2">-</span>input<span class="sy2">-</span>iterator I<span class="sy1">></span>
|
|
requires destructible<span class="sy1"><</span>iter_value_t<span class="sy1"><</span>I<span class="sy1">>></span>
|
|
<span class="kw4">constexpr</span> I destroy_n<span class="br0">(</span>I first, iter_difference_t<span class="sy1"><</span>I<span class="sy1">></span> n<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<span class="br0">}</span>
|
|
|
|
<span class="co1">// 类模板 unique_­ptr</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T<span class="sy1">></span> <span class="kw1">struct</span> default_delete<span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T<span class="sy1">></span> <span class="kw1">struct</span> default_delete<span class="sy1"><</span>T<span class="br0">[</span><span class="br0">]</span><span class="sy1">></span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T, <span class="kw1">class</span> D <span class="sy1">=</span> default_delete<span class="sy1"><</span>T<span class="sy1">>></span> <span class="kw1">class</span> unique_ptr<span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T, <span class="kw1">class</span> D<span class="sy1">></span> <span class="kw1">class</span> unique_ptr<span class="sy1"><</span>T<span class="br0">[</span><span class="br0">]</span>, D<span class="sy1">></span><span class="sy4">;</span>
|
|
|
|
<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>
|
|
unique_ptr<span class="sy1"><</span>T<span class="sy1">></span> make_unique<span class="br0">(</span>Args<span class="sy3">&&</span>... <span class="me1">args</span><span class="br0">)</span><span class="sy4">;</span> <span class="co1">// T 非数组</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T<span class="sy1">></span>
|
|
unique_ptr<span class="sy1"><</span>T<span class="sy1">></span> make_unique<span class="br0">(</span>size_t n<span class="br0">)</span><span class="sy4">;</span> <span class="co1">// T 为 U[]</span>
|
|
<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>
|
|
<span class="coMULTI">/* 未指明 */</span> make_unique<span class="br0">(</span>Args<span class="sy3">&&</span>...<span class="br0">)</span> <span class="sy1">=</span> delete<span class="sy4">;</span> <span class="co1">// T 为 U[N]</span>
|
|
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T<span class="sy1">></span>
|
|
unique_ptr<span class="sy1"><</span>T<span class="sy1">></span> make_unique_for_overwrite<span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span> <span class="co1">// T 非数组</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T<span class="sy1">></span>
|
|
unique_ptr<span class="sy1"><</span>T<span class="sy1">></span> make_unique_for_overwrite<span class="br0">(</span>size_t n<span class="br0">)</span><span class="sy4">;</span> <span class="co1">// T 为 U[]</span>
|
|
<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>
|
|
<span class="coMULTI">/* 未指明 */</span> make_unique_for_overwrite<span class="br0">(</span>Args<span class="sy3">&&</span>...<span class="br0">)</span> <span class="sy1">=</span> delete<span class="sy4">;</span> <span class="co1">// T 为 U[N]</span>
|
|
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T, <span class="kw1">class</span> D<span class="sy1">></span>
|
|
<span class="kw4">void</span> swap<span class="br0">(</span>unique_ptr<span class="sy1"><</span>T, D<span class="sy1">></span><span class="sy3">&</span> x, unique_ptr<span class="sy1"><</span>T, D<span class="sy1">></span><span class="sy3">&</span> y<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T1, <span class="kw1">class</span> D1, <span class="kw1">class</span> T2, <span class="kw1">class</span> D2<span class="sy1">></span>
|
|
<span class="kw4">bool</span> operator<span class="sy1">==</span><span class="br0">(</span><span class="kw4">const</span> unique_ptr<span class="sy1"><</span>T1, D1<span class="sy1">></span><span class="sy3">&</span> x, <span class="kw4">const</span> unique_ptr<span class="sy1"><</span>T2, D2<span class="sy1">></span><span class="sy3">&</span> y<span class="br0">)</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T1, <span class="kw1">class</span> D1, <span class="kw1">class</span> T2, <span class="kw1">class</span> D2<span class="sy1">></span>
|
|
<span class="kw4">bool</span> operator<span class="sy1"><</span><span class="br0">(</span><span class="kw4">const</span> unique_ptr<span class="sy1"><</span>T1, D1<span class="sy1">></span><span class="sy3">&</span> x, <span class="kw4">const</span> unique_ptr<span class="sy1"><</span>T2, D2<span class="sy1">></span><span class="sy3">&</span> y<span class="br0">)</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T1, <span class="kw1">class</span> D1, <span class="kw1">class</span> T2, <span class="kw1">class</span> D2<span class="sy1">></span>
|
|
<span class="kw4">bool</span> operator<span class="sy1">></span><span class="br0">(</span><span class="kw4">const</span> unique_ptr<span class="sy1"><</span>T1, D1<span class="sy1">></span><span class="sy3">&</span> x, <span class="kw4">const</span> unique_ptr<span class="sy1"><</span>T2, D2<span class="sy1">></span><span class="sy3">&</span> y<span class="br0">)</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T1, <span class="kw1">class</span> D1, <span class="kw1">class</span> T2, <span class="kw1">class</span> D2<span class="sy1">></span>
|
|
<span class="kw4">bool</span> operator<span class="sy1"><=</span><span class="br0">(</span><span class="kw4">const</span> unique_ptr<span class="sy1"><</span>T1, D1<span class="sy1">></span><span class="sy3">&</span> x, <span class="kw4">const</span> unique_ptr<span class="sy1"><</span>T2, D2<span class="sy1">></span><span class="sy3">&</span> y<span class="br0">)</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T1, <span class="kw1">class</span> D1, <span class="kw1">class</span> T2, <span class="kw1">class</span> D2<span class="sy1">></span>
|
|
<span class="kw4">bool</span> operator<span class="sy1">>=</span><span class="br0">(</span><span class="kw4">const</span> unique_ptr<span class="sy1"><</span>T1, D1<span class="sy1">></span><span class="sy3">&</span> x, <span class="kw4">const</span> unique_ptr<span class="sy1"><</span>T2, D2<span class="sy1">></span><span class="sy3">&</span> y<span class="br0">)</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T1, <span class="kw1">class</span> D1, <span class="kw1">class</span> T2, <span class="kw1">class</span> D2<span class="sy1">></span>
|
|
requires three_­way_­comparable_­with<span class="sy1"><</span><span class="kw1">typename</span> unique_ptr<span class="sy1"><</span>T1, D1<span class="sy1">></span><span class="sy4">::</span><span class="me2">pointer</span>,
|
|
<span class="kw1">typename</span> unique_ptr<span class="sy1"><</span>T2, D2<span class="sy1">></span><span class="sy4">::</span><span class="me2">pointer</span><span class="sy1">></span>
|
|
compare_three_way_result_t<span class="sy1"><</span><span class="kw1">typename</span> unique_ptr<span class="sy1"><</span>T1, D1<span class="sy1">></span><span class="sy4">::</span><span class="me2">pointer</span>,
|
|
<span class="kw1">typename</span> unique_ptr<span class="sy1"><</span>T2, D2<span class="sy1">></span><span class="sy4">::</span><span class="me2">pointer</span><span class="sy1">></span>
|
|
operator<span class="sy1"><=></span><span class="br0">(</span><span class="kw4">const</span> unique_ptr<span class="sy1"><</span>T1, D1<span class="sy1">></span><span class="sy3">&</span> x, <span class="kw4">const</span> unique_ptr<span class="sy1"><</span>T2, D2<span class="sy1">></span><span class="sy3">&</span> y<span class="br0">)</span><span class="sy4">;</span>
|
|
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T, <span class="kw1">class</span> D<span class="sy1">></span>
|
|
<span class="kw4">bool</span> operator<span class="sy1">==</span><span class="br0">(</span><span class="kw4">const</span> unique_ptr<span class="sy1"><</span>T, D<span class="sy1">></span><span class="sy3">&</span> x, nullptr_t<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T, <span class="kw1">class</span> D<span class="sy1">></span>
|
|
<span class="kw4">bool</span> operator<span class="sy1"><</span><span class="br0">(</span><span class="kw4">const</span> unique_ptr<span class="sy1"><</span>T, D<span class="sy1">></span><span class="sy3">&</span> x, nullptr_t<span class="br0">)</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T, <span class="kw1">class</span> D<span class="sy1">></span>
|
|
<span class="kw4">bool</span> operator<span class="sy1"><</span><span class="br0">(</span>nullptr_t, <span class="kw4">const</span> unique_ptr<span class="sy1"><</span>T, D<span class="sy1">></span><span class="sy3">&</span> y<span class="br0">)</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T, <span class="kw1">class</span> D<span class="sy1">></span>
|
|
<span class="kw4">bool</span> operator<span class="sy1">></span><span class="br0">(</span><span class="kw4">const</span> unique_ptr<span class="sy1"><</span>T, D<span class="sy1">></span><span class="sy3">&</span> x, nullptr_t<span class="br0">)</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T, <span class="kw1">class</span> D<span class="sy1">></span>
|
|
<span class="kw4">bool</span> operator<span class="sy1">></span><span class="br0">(</span>nullptr_t, <span class="kw4">const</span> unique_ptr<span class="sy1"><</span>T, D<span class="sy1">></span><span class="sy3">&</span> y<span class="br0">)</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T, <span class="kw1">class</span> D<span class="sy1">></span>
|
|
<span class="kw4">bool</span> operator<span class="sy1"><=</span><span class="br0">(</span><span class="kw4">const</span> unique_ptr<span class="sy1"><</span>T, D<span class="sy1">></span><span class="sy3">&</span> x, nullptr_t<span class="br0">)</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T, <span class="kw1">class</span> D<span class="sy1">></span>
|
|
<span class="kw4">bool</span> operator<span class="sy1"><=</span><span class="br0">(</span>nullptr_t, <span class="kw4">const</span> unique_ptr<span class="sy1"><</span>T, D<span class="sy1">></span><span class="sy3">&</span> y<span class="br0">)</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T, <span class="kw1">class</span> D<span class="sy1">></span>
|
|
<span class="kw4">bool</span> operator<span class="sy1">>=</span><span class="br0">(</span><span class="kw4">const</span> unique_ptr<span class="sy1"><</span>T, D<span class="sy1">></span><span class="sy3">&</span> x, nullptr_t<span class="br0">)</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T, <span class="kw1">class</span> D<span class="sy1">></span>
|
|
<span class="kw4">bool</span> operator<span class="sy1">>=</span><span class="br0">(</span>nullptr_t, <span class="kw4">const</span> unique_ptr<span class="sy1"><</span>T, D<span class="sy1">></span><span class="sy3">&</span> y<span class="br0">)</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T, <span class="kw1">class</span> D<span class="sy1">></span>
|
|
requires three_­way_­comparable<span class="sy1"><</span><span class="kw1">typename</span> unique_ptr<span class="sy1"><</span>T, D<span class="sy1">></span><span class="sy4">::</span><span class="me2">pointer</span><span class="sy1">></span>
|
|
compare_three_way_result_t<span class="sy1"><</span><span class="kw1">typename</span> unique_ptr<span class="sy1"><</span>T, D<span class="sy1">></span><span class="sy4">::</span><span class="me2">pointer</span><span class="sy1">></span>
|
|
operator<span class="sy1"><=></span><span class="br0">(</span><span class="kw4">const</span> unique_ptr<span class="sy1"><</span>T, D<span class="sy1">></span><span class="sy3">&</span> x, nullptr_t<span class="br0">)</span><span class="sy4">;</span>
|
|
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> E, <span class="kw1">class</span> T, <span class="kw1">class</span> Y, <span class="kw1">class</span> D<span class="sy1">></span>
|
|
basic_ostream<span class="sy1"><</span>E, T<span class="sy1">></span><span class="sy3">&</span> operator<span class="sy1"><<</span><span class="br0">(</span>basic_ostream<span class="sy1"><</span>E, T<span class="sy1">></span><span class="sy3">&</span> os, <span class="kw4">const</span> unique_ptr<span class="sy1"><</span>Y, D<span class="sy1">></span><span class="sy3">&</span> p<span class="br0">)</span><span class="sy4">;</span>
|
|
|
|
<span class="co1">// 类 bad_­weak_­ptr</span>
|
|
<span class="kw1">class</span> bad_weak_ptr<span class="sy4">;</span>
|
|
|
|
<span class="co1">// 类模板 shared_­ptr</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T<span class="sy1">></span> <span class="kw1">class</span> shared_ptr<span class="sy4">;</span>
|
|
|
|
<span class="co1">// shared_­ptr 创建</span>
|
|
<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>
|
|
shared_ptr<span class="sy1"><</span>T<span class="sy1">></span> make_shared<span class="br0">(</span>Args<span class="sy3">&&</span>... <span class="me1">args</span><span class="br0">)</span><span class="sy4">;</span> <span class="co1">// T 非数组</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T, <span class="kw1">class</span> A, <span class="kw1">class</span>... <span class="me1">Args</span><span class="sy1">></span>
|
|
shared_ptr<span class="sy1"><</span>T<span class="sy1">></span> allocate_shared<span class="br0">(</span><span class="kw4">const</span> A<span class="sy3">&</span> a, Args<span class="sy3">&&</span>... <span class="me1">args</span><span class="br0">)</span><span class="sy4">;</span> <span class="co1">// T 非数组</span>
|
|
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T<span class="sy1">></span>
|
|
shared_ptr<span class="sy1"><</span>T<span class="sy1">></span> make_shared<span class="br0">(</span>size_t N<span class="br0">)</span><span class="sy4">;</span> <span class="co1">// T 为 U[]</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T, <span class="kw1">class</span> A<span class="sy1">></span>
|
|
shared_ptr<span class="sy1"><</span>T<span class="sy1">></span> allocate_shared<span class="br0">(</span><span class="kw4">const</span> A<span class="sy3">&</span> a, size_t N<span class="br0">)</span><span class="sy4">;</span> <span class="co1">// T 为 U[]</span>
|
|
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T<span class="sy1">></span>
|
|
shared_ptr<span class="sy1"><</span>T<span class="sy1">></span> make_shared<span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span> <span class="co1">// T 为 U[N]</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T, <span class="kw1">class</span> A<span class="sy1">></span>
|
|
shared_ptr<span class="sy1"><</span>T<span class="sy1">></span> allocate_shared<span class="br0">(</span><span class="kw4">const</span> A<span class="sy3">&</span> a<span class="br0">)</span><span class="sy4">;</span> <span class="co1">// T 为 U[N]</span>
|
|
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T<span class="sy1">></span>
|
|
shared_ptr<span class="sy1"><</span>T<span class="sy1">></span> make_shared<span class="br0">(</span>size_t N, <span class="kw4">const</span> remove_extent_t<span class="sy1"><</span>T<span class="sy1">></span><span class="sy3">&</span> u<span class="br0">)</span><span class="sy4">;</span> <span class="co1">// T 为 U[]</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T, <span class="kw1">class</span> A<span class="sy1">></span>
|
|
shared_ptr<span class="sy1"><</span>T<span class="sy1">></span> allocate_shared<span class="br0">(</span><span class="kw4">const</span> A<span class="sy3">&</span> a, size_t N,
|
|
<span class="kw4">const</span> remove_extent_t<span class="sy1"><</span>T<span class="sy1">></span><span class="sy3">&</span> u<span class="br0">)</span><span class="sy4">;</span> <span class="co1">// T 为 U[]</span>
|
|
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T<span class="sy1">></span>
|
|
shared_ptr<span class="sy1"><</span>T<span class="sy1">></span> make_shared<span class="br0">(</span><span class="kw4">const</span> remove_extent_t<span class="sy1"><</span>T<span class="sy1">></span><span class="sy3">&</span> u<span class="br0">)</span><span class="sy4">;</span> <span class="co1">// T 为 U[N]</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T, <span class="kw1">class</span> A<span class="sy1">></span>
|
|
shared_ptr<span class="sy1"><</span>T<span class="sy1">></span> allocate_shared<span class="br0">(</span><span class="kw4">const</span> A<span class="sy3">&</span> a, <span class="kw4">const</span> remove_extent_t<span class="sy1"><</span>T<span class="sy1">></span><span class="sy3">&</span> u<span class="br0">)</span><span class="sy4">;</span> <span class="co1">// T 为 U[N]</span>
|
|
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T<span class="sy1">></span>
|
|
shared_ptr<span class="sy1"><</span>T<span class="sy1">></span> make_shared_for_overwrite<span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span> <span class="co1">// T 非 U[]</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T, <span class="kw1">class</span> A<span class="sy1">></span>
|
|
shared_ptr<span class="sy1"><</span>T<span class="sy1">></span> allocate_shared_for_overwrite<span class="br0">(</span><span class="kw4">const</span> A<span class="sy3">&</span> a<span class="br0">)</span><span class="sy4">;</span> <span class="co1">// T 非 U[]</span>
|
|
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T<span class="sy1">></span>
|
|
shared_ptr<span class="sy1"><</span>T<span class="sy1">></span> make_shared_for_overwrite<span class="br0">(</span>size_t N<span class="br0">)</span><span class="sy4">;</span> <span class="co1">// T 为 U[]</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T, <span class="kw1">class</span> A<span class="sy1">></span>
|
|
shared_ptr<span class="sy1"><</span>T<span class="sy1">></span> allocate_shared_for_overwrite<span class="br0">(</span><span class="kw4">const</span> A<span class="sy3">&</span> a, size_t N<span class="br0">)</span><span class="sy4">;</span> <span class="co1">// T 为 U[]</span>
|
|
|
|
<span class="co1">// shared_­ptr 比较</span>
|
|
<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>
|
|
<span class="kw4">bool</span> operator<span class="sy1">==</span><span class="br0">(</span><span class="kw4">const</span> shared_ptr<span class="sy1"><</span>T<span class="sy1">></span><span class="sy3">&</span> a, <span class="kw4">const</span> shared_ptr<span class="sy1"><</span>U<span class="sy1">></span><span class="sy3">&</span> b<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<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>
|
|
strong_ordering operator<span class="sy1"><=></span><span class="br0">(</span><span class="kw4">const</span> shared_ptr<span class="sy1"><</span>T<span class="sy1">></span><span class="sy3">&</span> a, <span class="kw4">const</span> shared_ptr<span class="sy1"><</span>U<span class="sy1">></span><span class="sy3">&</span> b<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T<span class="sy1">></span>
|
|
<span class="kw4">bool</span> operator<span class="sy1">==</span><span class="br0">(</span><span class="kw4">const</span> shared_ptr<span class="sy1"><</span>T<span class="sy1">></span><span class="sy3">&</span> x, nullptr_t<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T<span class="sy1">></span>
|
|
strong_ordering operator<span class="sy1"><=></span><span class="br0">(</span><span class="kw4">const</span> shared_ptr<span class="sy1"><</span>T<span class="sy1">></span><span class="sy3">&</span> x, nullptr_t<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
|
|
<span class="co1">// shared_­ptr 特化算法</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T<span class="sy1">></span>
|
|
<span class="kw4">void</span> swap<span class="br0">(</span>shared_ptr<span class="sy1"><</span>T<span class="sy1">></span><span class="sy3">&</span> a, shared_ptr<span class="sy1"><</span>T<span class="sy1">></span><span class="sy3">&</span> b<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
|
|
<span class="co1">// shared_­ptr 转型</span>
|
|
<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>
|
|
shared_ptr<span class="sy1"><</span>T<span class="sy1">></span> static_pointer_cast<span class="br0">(</span><span class="kw4">const</span> shared_ptr<span class="sy1"><</span>U<span class="sy1">></span><span class="sy3">&</span> r<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<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>
|
|
shared_ptr<span class="sy1"><</span>T<span class="sy1">></span> static_pointer_cast<span class="br0">(</span>shared_ptr<span class="sy1"><</span>U<span class="sy1">></span><span class="sy3">&&</span> r<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<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>
|
|
shared_ptr<span class="sy1"><</span>T<span class="sy1">></span> dynamic_pointer_cast<span class="br0">(</span><span class="kw4">const</span> shared_ptr<span class="sy1"><</span>U<span class="sy1">></span><span class="sy3">&</span> r<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<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>
|
|
shared_ptr<span class="sy1"><</span>T<span class="sy1">></span> dynamic_pointer_cast<span class="br0">(</span>shared_ptr<span class="sy1"><</span>U<span class="sy1">></span><span class="sy3">&&</span> r<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<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>
|
|
shared_ptr<span class="sy1"><</span>T<span class="sy1">></span> const_pointer_cast<span class="br0">(</span><span class="kw4">const</span> shared_ptr<span class="sy1"><</span>U<span class="sy1">></span><span class="sy3">&</span> r<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<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>
|
|
shared_ptr<span class="sy1"><</span>T<span class="sy1">></span> const_pointer_cast<span class="br0">(</span>shared_ptr<span class="sy1"><</span>U<span class="sy1">></span><span class="sy3">&&</span> r<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<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>
|
|
shared_ptr<span class="sy1"><</span>T<span class="sy1">></span> reinterpret_pointer_cast<span class="br0">(</span><span class="kw4">const</span> shared_ptr<span class="sy1"><</span>U<span class="sy1">></span><span class="sy3">&</span> r<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<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>
|
|
shared_ptr<span class="sy1"><</span>T<span class="sy1">></span> reinterpret_pointer_cast<span class="br0">(</span>shared_ptr<span class="sy1"><</span>U<span class="sy1">></span><span class="sy3">&&</span> r<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
|
|
<span class="co1">// shared_­ptr get_­deleter</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> D, <span class="kw1">class</span> T<span class="sy1">></span>
|
|
D<span class="sy2">*</span> get_deleter<span class="br0">(</span><span class="kw4">const</span> shared_ptr<span class="sy1"><</span>T<span class="sy1">></span><span class="sy3">&</span> p<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
|
|
<span class="co1">// shared_­ptr I/O</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> E, <span class="kw1">class</span> T, <span class="kw1">class</span> Y<span class="sy1">></span>
|
|
basic_ostream<span class="sy1"><</span>E, T<span class="sy1">></span><span class="sy3">&</span> operator<span class="sy1"><<</span><span class="br0">(</span>basic_ostream<span class="sy1"><</span>E, T<span class="sy1">></span><span class="sy3">&</span> os, <span class="kw4">const</span> shared_ptr<span class="sy1"><</span>Y<span class="sy1">></span><span class="sy3">&</span> p<span class="br0">)</span><span class="sy4">;</span>
|
|
|
|
<span class="co1">// 类模板 weak_­ptr</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T<span class="sy1">></span> <span class="kw1">class</span> weak_ptr<span class="sy4">;</span>
|
|
|
|
<span class="co1">// weak_­ptr 特化算法</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T<span class="sy1">></span> <span class="kw4">void</span> swap<span class="br0">(</span>weak_ptr<span class="sy1"><</span>T<span class="sy1">></span><span class="sy3">&</span> a, weak_ptr<span class="sy1"><</span>T<span class="sy1">></span><span class="sy3">&</span> b<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
|
|
<span class="co1">// 类模板 owner_­less</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T <span class="sy1">=</span> <span class="kw4">void</span><span class="sy1">></span> <span class="kw1">struct</span> owner_less<span class="sy4">;</span>
|
|
|
|
<span class="co1">// 类模板 enable_­shared_­from_­this</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T<span class="sy1">></span> <span class="kw1">class</span> enable_shared_from_this<span class="sy4">;</span>
|
|
|
|
<span class="co1">// 散列支持</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T<span class="sy1">></span> <span class="kw1">struct</span> hash<span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T, <span class="kw1">class</span> D<span class="sy1">></span> <span class="kw1">struct</span> hash<span class="sy1"><</span>unique_ptr<span class="sy1"><</span>T, D<span class="sy1">>></span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T<span class="sy1">></span> <span class="kw1">struct</span> hash<span class="sy1"><</span>shared_ptr<span class="sy1"><</span>T<span class="sy1">>></span><span class="sy4">;</span>
|
|
|
|
<span class="co1">// 原子智能指针</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T<span class="sy1">></span> <span class="kw1">struct</span> atomic<span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T<span class="sy1">></span> <span class="kw1">struct</span> atomic<span class="sy1"><</span>shared_ptr<span class="sy1"><</span>T<span class="sy1">>></span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T<span class="sy1">></span> <span class="kw1">struct</span> atomic<span class="sy1"><</span>weak_ptr<span class="sy1"><</span>T<span class="sy1">>></span><span class="sy4">;</span>
|
|
|
|
<span class="co1">// 类模板 out_­ptr_­t</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> Smart, <span class="kw1">class</span> Pointer, <span class="kw1">class</span>... <span class="me1">Args</span><span class="sy1">></span>
|
|
<span class="kw1">class</span> out_ptr_t<span class="sy4">;</span>
|
|
|
|
<span class="co1">// 函数模板 out_­ptr</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> Pointer <span class="sy1">=</span> <span class="kw4">void</span>, <span class="kw1">class</span> Smart, <span class="kw1">class</span>... <span class="me1">Args</span><span class="sy1">></span>
|
|
<span class="kw4">auto</span> out_ptr<span class="br0">(</span>Smart<span class="sy3">&</span> s, Args<span class="sy3">&&</span>... <span class="me1">args</span><span class="br0">)</span><span class="sy4">;</span>
|
|
|
|
<span class="co1">// 类模板 inout_­ptr_­t</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> Smart, <span class="kw1">class</span> Pointer, <span class="kw1">class</span>... <span class="me1">Args</span><span class="sy1">></span>
|
|
<span class="kw1">class</span> inout_ptr_t<span class="sy4">;</span>
|
|
|
|
<span class="co1">// 函数模板 inout_­ptr</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> Pointer <span class="sy1">=</span> <span class="kw4">void</span>, <span class="kw1">class</span> Smart, <span class="kw1">class</span>... <span class="me1">Args</span><span class="sy1">></span>
|
|
<span class="kw4">auto</span> inout_ptr<span class="br0">(</span>Smart<span class="sy3">&</span> s, Args<span class="sy3">&&</span>... <span class="me1">args</span><span class="br0">)</span><span class="sy4">;</span>
|
|
<span class="br0">}</span>
|
|
|
|
<span class="co1">// 弃用</span>
|
|
<span class="kw1">namespace</span> std <span class="br0">{</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T<span class="sy1">></span>
|
|
<span class="kw4">bool</span> atomic_is_lock_free<span class="br0">(</span><span class="kw4">const</span> shared_ptr<span class="sy1"><</span>T<span class="sy1">></span><span class="sy2">*</span> p<span class="br0">)</span><span class="sy4">;</span>
|
|
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T<span class="sy1">></span>
|
|
shared_ptr<span class="sy1"><</span>T<span class="sy1">></span> atomic_load<span class="br0">(</span><span class="kw4">const</span> shared_ptr<span class="sy1"><</span>T<span class="sy1">></span><span class="sy2">*</span> p<span class="br0">)</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T<span class="sy1">></span>
|
|
shared_ptr<span class="sy1"><</span>T<span class="sy1">></span> atomic_load_explicit<span class="br0">(</span><span class="kw4">const</span> shared_ptr<span class="sy1"><</span>T<span class="sy1">></span><span class="sy2">*</span> p, memory_order mo<span class="br0">)</span><span class="sy4">;</span>
|
|
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T<span class="sy1">></span>
|
|
<span class="kw4">void</span> atomic_store<span class="br0">(</span>shared_ptr<span class="sy1"><</span>T<span class="sy1">></span><span class="sy2">*</span> p, shared_ptr<span class="sy1"><</span>T<span class="sy1">></span> r<span class="br0">)</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T<span class="sy1">></span>
|
|
<span class="kw4">void</span> atomic_store_explicit<span class="br0">(</span>shared_ptr<span class="sy1"><</span>T<span class="sy1">></span><span class="sy2">*</span> p, shared_ptr<span class="sy1"><</span>T<span class="sy1">></span> r, memory_order mo<span class="br0">)</span><span class="sy4">;</span>
|
|
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T<span class="sy1">></span>
|
|
shared_ptr<span class="sy1"><</span>T<span class="sy1">></span> atomic_exchange<span class="br0">(</span>shared_ptr<span class="sy1"><</span>T<span class="sy1">></span><span class="sy2">*</span> p, shared_ptr<span class="sy1"><</span>T<span class="sy1">></span> r<span class="br0">)</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T<span class="sy1">></span>
|
|
shared_ptr<span class="sy1"><</span>T<span class="sy1">></span> atomic_exchange_explicit<span class="br0">(</span>shared_ptr<span class="sy1"><</span>T<span class="sy1">></span><span class="sy2">*</span> p, shared_ptr<span class="sy1"><</span>T<span class="sy1">></span> r, memory_order mo<span class="br0">)</span><span class="sy4">;</span>
|
|
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T<span class="sy1">></span>
|
|
<span class="kw4">bool</span> atomic_compare_exchange_weak<span class="br0">(</span>shared_ptr<span class="sy1"><</span>T<span class="sy1">></span><span class="sy2">*</span> p, shared_ptr<span class="sy1"><</span>T<span class="sy1">></span><span class="sy2">*</span> v, shared_ptr<span class="sy1"><</span>T<span class="sy1">></span> w<span class="br0">)</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T<span class="sy1">></span>
|
|
<span class="kw4">bool</span> atomic_compare_exchange_strong<span class="br0">(</span>shared_ptr<span class="sy1"><</span>T<span class="sy1">></span><span class="sy2">*</span> p, shared_ptr<span class="sy1"><</span>T<span class="sy1">></span><span class="sy2">*</span> v, shared_ptr<span class="sy1"><</span>T<span class="sy1">></span> w<span class="br0">)</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T<span class="sy1">></span>
|
|
<span class="kw4">bool</span> atomic_compare_exchange_weak_explicit<span class="br0">(</span>
|
|
shared_ptr<span class="sy1"><</span>T<span class="sy1">></span><span class="sy2">*</span> p, shared_ptr<span class="sy1"><</span>T<span class="sy1">></span><span class="sy2">*</span> v, shared_ptr<span class="sy1"><</span>T<span class="sy1">></span> w,
|
|
memory_order success, memory_order failure<span class="br0">)</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T<span class="sy1">></span>
|
|
<span class="kw4">bool</span> atomic_compare_exchange_strong_explicit<span class="br0">(</span>
|
|
shared_ptr<span class="sy1"><</span>T<span class="sy1">></span><span class="sy2">*</span> p, shared_ptr<span class="sy1"><</span>T<span class="sy1">></span><span class="sy2">*</span> v, shared_ptr<span class="sy1"><</span>T<span class="sy1">></span> w,
|
|
memory_order success, memory_order failure<span class="br0">)</span><span class="sy4">;</span>
|
|
<span class="br0">}</span></pre></div>
|
|
</div>
|
|
<h4><span class="mw-headline" id=".E8.BE.85.E5.8A.A9.E6.A6.82.E5.BF.B5">辅助概念</span></h4>
|
|
<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"><</span><span class="kw1">class</span> I<span class="sy1">></span>
|
|
concept no<span class="sy2">-</span>throw<span class="sy2">-</span>input<span class="sy2">-</span>iterator <span class="sy1">=</span> <span class="co1">// 仅用于阐释</span>
|
|
input_iterator<span class="sy1"><</span>I<span class="sy1">></span> <span class="sy3">&&</span>
|
|
is_lvalue_reference_v<span class="sy1"><</span>iter_reference_t<span class="sy1"><</span>I<span class="sy1">>></span> <span class="sy3">&&</span>
|
|
same_as<span class="sy1"><</span>remove_cvref_t<span class="sy1"><</span>iter_reference_t<span class="sy1"><</span>I<span class="sy1">>></span>, iter_value_t<span class="sy1"><</span>I<span class="sy1">>></span><span class="sy4">;</span>
|
|
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> S, <span class="kw1">class</span> I<span class="sy1">></span>
|
|
concept no<span class="sy2">-</span>throw<span class="sy2">-</span>sentinel<span class="sy2">-</span><span class="kw1">for</span> <span class="sy1">=</span> sentinel_for<span class="sy1"><</span>S, I<span class="sy1">></span><span class="sy4">;</span> <span class="co1">// 仅用于阐释</span>
|
|
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> R<span class="sy1">></span>
|
|
concept no<span class="sy2">-</span>throw<span class="sy2">-</span>input<span class="sy2">-</span>range <span class="sy1">=</span> <span class="co1">// 仅用于阐释</span>
|
|
ranges<span class="sy4">::</span><span class="me2">range</span><span class="sy1"><</span>R<span class="sy1">></span> <span class="sy3">&&</span>
|
|
no<span class="sy2">-</span>throw<span class="sy2">-</span>input<span class="sy2">-</span>iterator<span class="sy1"><</span>ranges<span class="sy4">::</span><span class="me2">iterator_t</span><span class="sy1"><</span>R<span class="sy1">>></span> <span class="sy3">&&</span>
|
|
no<span class="sy2">-</span>throw<span class="sy2">-</span>sentinel<span class="sy2">-</span><span class="kw1">for</span><span class="sy1"><</span>ranges<span class="sy4">::</span><span class="me2">sentinel_t</span><span class="sy1"><</span>R<span class="sy1">></span>, ranges<span class="sy4">::</span><span class="me2">iterator_t</span><span class="sy1"><</span>R<span class="sy1">>></span><span class="sy4">;</span>
|
|
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> I<span class="sy1">></span>
|
|
concept no<span class="sy2">-</span>throw<span class="sy2">-</span>forward<span class="sy2">-</span>iterator <span class="sy1">=</span> <span class="co1">// 仅用于阐释</span>
|
|
no<span class="sy2">-</span>throw<span class="sy2">-</span>input<span class="sy2">-</span>iterator<span class="sy1"><</span>I<span class="sy1">></span> <span class="sy3">&&</span>
|
|
forward_iterator<span class="sy1"><</span>I<span class="sy1">></span> <span class="sy3">&&</span>
|
|
no<span class="sy2">-</span>throw<span class="sy2">-</span>sentinel<span class="sy2">-</span><span class="kw1">for</span><span class="sy1"><</span>I, I<span class="sy1">></span><span class="sy4">;</span>
|
|
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> R<span class="sy1">></span>
|
|
concept no<span class="sy2">-</span>throw<span class="sy2">-</span>forward<span class="sy2">-</span>range <span class="sy1">=</span> <span class="co1">// 仅用于阐释</span>
|
|
no<span class="sy2">-</span>throw<span class="sy2">-</span>input<span class="sy2">-</span>range<span class="sy1"><</span>R<span class="sy1">></span> <span class="sy3">&&</span>
|
|
no<span class="sy2">-</span>throw<span class="sy2">-</span>forward<span class="sy2">-</span>iterator<span class="sy1"><</span>ranges<span class="sy4">::</span><span class="me2">iterator_t</span><span class="sy1"><</span>R<span class="sy1">>></span><span class="sy4">;</span></pre></div>
|
|
</div>
|
|
<p>注意：<a href="cpp-memory-ranges-nothrow_concepts.html">这些名字</a>仅用于阐释，它们不是接口的一部分。</p>
|
|
<h4><span class="mw-headline" id=".E7.B1.BB.E6.A8.A1.E6.9D.BF_std::pointer_traits">类模板 <span class="t-lc"><a href="cpp-memory-pointer_traits.html">std::pointer_traits</a></span></span></h4>
|
|
<div dir="ltr" class="mw-geshi" style="text-align: left;">
|
|
<div class="cpp source-cpp">
|
|
<pre class="de1"><span class="kw1">namespace</span> std <span class="br0">{</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> Ptr<span class="sy1">></span> <span class="kw1">struct</span> pointer_traits <span class="br0">{</span>
|
|
<span class="kw1">using</span> pointer <span class="sy1">=</span> Ptr<span class="sy4">;</span>
|
|
<span class="kw1">using</span> element_type <span class="sy1">=</span> <span class="coMULTI">/* 见描述 */</span><span class="sy4">;</span>
|
|
<span class="kw1">using</span> difference_type <span class="sy1">=</span> <span class="coMULTI">/* 见描述 */</span><span class="sy4">;</span>
|
|
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> U<span class="sy1">></span> <span class="kw1">using</span> rebind <span class="sy1">=</span> <span class="coMULTI">/* 见描述 */</span><span class="sy4">;</span>
|
|
|
|
<span class="kw4">static</span> pointer pointer_to<span class="br0">(</span><span class="coMULTI">/* 见描述 */</span> r<span class="br0">)</span><span class="sy4">;</span>
|
|
<span class="br0">}</span><span class="sy4">;</span>
|
|
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T<span class="sy1">></span> <span class="kw1">struct</span> pointer_traits<span class="sy1"><</span>T<span class="sy2">*</span><span class="sy1">></span> <span class="br0">{</span>
|
|
<span class="kw1">using</span> pointer <span class="sy1">=</span> T<span class="sy2">*</span><span class="sy4">;</span>
|
|
<span class="kw1">using</span> element_type <span class="sy1">=</span> T<span class="sy4">;</span>
|
|
<span class="kw1">using</span> difference_type <span class="sy1">=</span> ptrdiff_t<span class="sy4">;</span>
|
|
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> U<span class="sy1">></span> <span class="kw1">using</span> rebind <span class="sy1">=</span> U<span class="sy2">*</span><span class="sy4">;</span>
|
|
|
|
<span class="kw4">static</span> <span class="kw4">constexpr</span> pointer pointer_to<span class="br0">(</span><span class="coMULTI">/* 见描述 */</span> r<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<span class="br0">}</span><span class="sy4">;</span>
|
|
<span class="br0">}</span></pre></div>
|
|
</div>
|
|
<h4><span class="mw-headline" id=".E7.B1.BB_std::allocator_arg_t">类 <span class="t-lc"><a href="cpp-memory-allocator_arg_t.html">std::allocator_arg_t</a></span></span></h4>
|
|
<div dir="ltr" class="mw-geshi" style="text-align: left;">
|
|
<div class="cpp source-cpp">
|
|
<pre class="de1"><span class="kw1">namespace</span> std <span class="br0">{</span>
|
|
<span class="kw1">struct</span> allocator_arg_t <span class="br0">{</span> <span class="kw1">explicit</span> allocator_arg_t<span class="br0">(</span><span class="br0">)</span> <span class="sy1">=</span> <span class="kw1">default</span><span class="sy4">;</span> <span class="br0">}</span><span class="sy4">;</span>
|
|
<span class="kw1">inline</span> <span class="kw4">constexpr</span> allocator_arg_t allocator_arg<span class="br0">{</span><span class="br0">}</span><span class="sy4">;</span>
|
|
<span class="br0">}</span></pre></div>
|
|
</div>
|
|
<h4><span class="mw-headline" id=".E7.B1.BB.E6.A8.A1.E6.9D.BF_std::allocator_traits">类模板 <span class="t-lc"><a href="cpp-memory-allocator_traits.html">std::allocator_traits</a></span></span></h4>
|
|
<div dir="ltr" class="mw-geshi" style="text-align: left;">
|
|
<div class="cpp source-cpp">
|
|
<pre class="de1"><span class="kw1">namespace</span> std <span class="br0">{</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> Alloc<span class="sy1">></span> <span class="kw1">struct</span> allocator_traits <span class="br0">{</span>
|
|
<span class="kw1">using</span> allocator_type <span class="sy1">=</span> Alloc<span class="sy4">;</span>
|
|
|
|
<span class="kw1">using</span> value_type <span class="sy1">=</span> <span class="kw1">typename</span> Alloc<span class="sy4">::</span><span class="me2">value_type</span><span class="sy4">;</span>
|
|
|
|
<span class="kw1">using</span> pointer <span class="sy1">=</span> <span class="coMULTI">/* 见描述 */</span><span class="sy4">;</span>
|
|
<span class="kw1">using</span> const_pointer <span class="sy1">=</span> <span class="coMULTI">/* 见描述 */</span><span class="sy4">;</span>
|
|
<span class="kw1">using</span> void_pointer <span class="sy1">=</span> <span class="coMULTI">/* 见描述 */</span><span class="sy4">;</span>
|
|
<span class="kw1">using</span> const_void_pointer <span class="sy1">=</span> <span class="coMULTI">/* 见描述 */</span><span class="sy4">;</span>
|
|
|
|
<span class="kw1">using</span> difference_type <span class="sy1">=</span> <span class="coMULTI">/* 见描述 */</span><span class="sy4">;</span>
|
|
<span class="kw1">using</span> size_type <span class="sy1">=</span> <span class="coMULTI">/* 见描述 */</span><span class="sy4">;</span>
|
|
|
|
<span class="kw1">using</span> propagate_on_container_copy_assignment <span class="sy1">=</span> <span class="coMULTI">/* 见描述 */</span><span class="sy4">;</span>
|
|
<span class="kw1">using</span> propagate_on_container_move_assignment <span class="sy1">=</span> <span class="coMULTI">/* 见描述 */</span><span class="sy4">;</span>
|
|
<span class="kw1">using</span> propagate_on_container_swap <span class="sy1">=</span> <span class="coMULTI">/* 见描述 */</span><span class="sy4">;</span>
|
|
<span class="kw1">using</span> is_always_equal <span class="sy1">=</span> <span class="coMULTI">/* 见描述 */</span><span class="sy4">;</span>
|
|
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T<span class="sy1">></span> <span class="kw1">using</span> rebind_alloc <span class="sy1">=</span> <span class="coMULTI">/* 见描述 */</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T<span class="sy1">></span> <span class="kw1">using</span> rebind_traits <span class="sy1">=</span> allocator_traits<span class="sy1"><</span>rebind_alloc<span class="sy1"><</span>T<span class="sy1">>></span><span class="sy4">;</span>
|
|
|
|
<span class="br0">[</span><span class="br0">[</span>nodiscard<span class="br0">]</span><span class="br0">]</span> <span class="kw4">static</span> pointer allocate<span class="br0">(</span>Alloc<span class="sy3">&</span> a, size_type n<span class="br0">)</span><span class="sy4">;</span>
|
|
<span class="br0">[</span><span class="br0">[</span>nodiscard<span class="br0">]</span><span class="br0">]</span> <span class="kw4">static</span> pointer allocate<span class="br0">(</span>Alloc<span class="sy3">&</span> a, size_type n,
|
|
const_void_pointer hint<span class="br0">)</span><span class="sy4">;</span>
|
|
|
|
<span class="kw4">static</span> <span class="kw4">void</span> deallocate<span class="br0">(</span>Alloc<span class="sy3">&</span> a, pointer p, size_type n<span class="br0">)</span><span class="sy4">;</span>
|
|
|
|
<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>
|
|
<span class="kw4">static</span> <span class="kw4">void</span> construct<span class="br0">(</span>Alloc<span class="sy3">&</span> a, T<span class="sy2">*</span> p, Args<span class="sy3">&&</span>... <span class="me1">args</span><span class="br0">)</span><span class="sy4">;</span>
|
|
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T<span class="sy1">></span>
|
|
<span class="kw4">static</span> <span class="kw4">void</span> destroy<span class="br0">(</span>Alloc<span class="sy3">&</span> a, T<span class="sy2">*</span> p<span class="br0">)</span><span class="sy4">;</span>
|
|
|
|
<span class="kw4">static</span> size_type max_size<span class="br0">(</span><span class="kw4">const</span> Alloc<span class="sy3">&</span> a<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
|
|
<span class="kw4">static</span> Alloc select_on_container_copy_construction<span class="br0">(</span><span class="kw4">const</span> Alloc<span class="sy3">&</span> rhs<span class="br0">)</span><span class="sy4">;</span>
|
|
<span class="br0">}</span><span class="sy4">;</span>
|
|
<span class="br0">}</span></pre></div>
|
|
</div>
|
|
<h4><span class="mw-headline" id=".E7.B1.BB.E6.A8.A1.E6.9D.BF_std::allocator">类模板 <span class="t-lc"><a href="cpp-memory-allocator.html">std::allocator</a></span></span></h4>
|
|
<div dir="ltr" class="mw-geshi" style="text-align: left;">
|
|
<div class="cpp source-cpp">
|
|
<pre class="de1"><span class="kw1">namespace</span> std <span class="br0">{</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T<span class="sy1">></span> <span class="kw1">class</span> allocator <span class="br0">{</span>
|
|
<span class="kw1">public</span><span class="sy4">:</span>
|
|
<span class="kw1">using</span> value_type <span class="sy1">=</span> T<span class="sy4">;</span>
|
|
<span class="kw1">using</span> size_type <span class="sy1">=</span> size_t<span class="sy4">;</span>
|
|
<span class="kw1">using</span> difference_type <span class="sy1">=</span> ptrdiff_t<span class="sy4">;</span>
|
|
<span class="kw1">using</span> propagate_on_container_move_assignment <span class="sy1">=</span> true_type<span class="sy4">;</span>
|
|
|
|
<span class="kw4">constexpr</span> allocator<span class="br0">(</span><span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<span class="kw4">constexpr</span> allocator<span class="br0">(</span><span class="kw4">const</span> allocator<span class="sy3">&</span><span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> U<span class="sy1">></span> <span class="kw4">constexpr</span> allocator<span class="br0">(</span><span class="kw4">const</span> allocator<span class="sy1"><</span>U<span class="sy1">></span><span class="sy3">&</span><span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<span class="kw4">constexpr</span> ~allocator<span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span>
|
|
<span class="kw4">constexpr</span> allocator<span class="sy3">&</span> operator<span class="sy1">=</span><span class="br0">(</span><span class="kw4">const</span> allocator<span class="sy3">&</span><span class="br0">)</span> <span class="sy1">=</span> <span class="kw1">default</span><span class="sy4">;</span>
|
|
|
|
<span class="br0">[</span><span class="br0">[</span>nodiscard<span class="br0">]</span><span class="br0">]</span> <span class="kw4">constexpr</span> T<span class="sy2">*</span> allocate<span class="br0">(</span>size_t n<span class="br0">)</span><span class="sy4">;</span>
|
|
<span class="br0">[</span><span class="br0">[</span>nodiscard<span class="br0">]</span><span class="br0">]</span> <span class="kw4">constexpr</span> allocation_result<span class="sy1"><</span>T<span class="sy2">*</span><span class="sy1">></span> allocate_at_least<span class="br0">(</span>size_t n<span class="br0">)</span><span class="sy4">;</span>
|
|
<span class="kw4">constexpr</span> <span class="kw4">void</span> deallocate<span class="br0">(</span>T<span class="sy2">*</span> p, size_t n<span class="br0">)</span><span class="sy4">;</span>
|
|
|
|
<span class="co1">// 弃用</span>
|
|
<span class="kw1">using</span> is_always_equal <span class="sy1">=</span> true_type<span class="sy4">;</span>
|
|
<span class="br0">}</span><span class="sy4">;</span>
|
|
<span class="br0">}</span></pre></div>
|
|
</div>
|
|
<h4><span class="mw-headline" id=".E7.B1.BB.E6.A8.A1.E6.9D.BF_std::default_delete">类模板 <span class="t-lc"><a href="cpp-memory-default_delete.html">std::default_delete</a></span></span></h4>
|
|
<div dir="ltr" class="mw-geshi" style="text-align: left;">
|
|
<div class="cpp source-cpp">
|
|
<pre class="de1"><span class="kw1">namespace</span> std <span class="br0">{</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T<span class="sy1">></span> <span class="kw1">struct</span> default_delete <span class="br0">{</span>
|
|
<span class="kw4">constexpr</span> default_delete<span class="br0">(</span><span class="br0">)</span> <span class="kw1">noexcept</span> <span class="sy1">=</span> <span class="kw1">default</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> U<span class="sy1">></span> default_delete<span class="br0">(</span><span class="kw4">const</span> default_delete<span class="sy1"><</span>U<span class="sy1">></span><span class="sy3">&</span><span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<span class="kw4">void</span> operator<span class="br0">(</span><span class="br0">)</span><span class="br0">(</span>T<span class="sy2">*</span><span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
|
|
<span class="br0">}</span><span class="sy4">;</span>
|
|
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T<span class="sy1">></span> <span class="kw1">struct</span> default_delete<span class="sy1"><</span>T<span class="br0">[</span><span class="br0">]</span><span class="sy1">></span> <span class="br0">{</span>
|
|
<span class="kw4">constexpr</span> default_delete<span class="br0">(</span><span class="br0">)</span> <span class="kw1">noexcept</span> <span class="sy1">=</span> <span class="kw1">default</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> U<span class="sy1">></span> default_delete<span class="br0">(</span><span class="kw4">const</span> default_delete<span class="sy1"><</span>U<span class="br0">[</span><span class="br0">]</span><span class="sy1">></span><span class="sy3">&</span><span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> U<span class="sy1">></span> <span class="kw4">void</span> operator<span class="br0">(</span><span class="br0">)</span><span class="br0">(</span>U<span class="sy2">*</span> ptr<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
|
|
<span class="br0">}</span><span class="sy4">;</span>
|
|
<span class="br0">}</span></pre></div>
|
|
</div>
|
|
<h4><span class="mw-headline" id=".E7.B1.BB.E6.A8.A1.E6.9D.BF_std::unique_ptr">类模板 <span class="t-lc"><a href="cpp-memory-unique_ptr.html">std::unique_ptr</a></span></span></h4>
|
|
<div dir="ltr" class="mw-geshi" style="text-align: left;">
|
|
<div class="cpp source-cpp">
|
|
<pre class="de1"><span class="kw1">namespace</span> std <span class="br0">{</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T, <span class="kw1">class</span> D <span class="sy1">=</span> default_delete<span class="sy1"><</span>T<span class="sy1">>></span> <span class="kw1">class</span> unique_ptr <span class="br0">{</span>
|
|
<span class="kw1">public</span><span class="sy4">:</span>
|
|
<span class="kw1">using</span> pointer <span class="sy1">=</span> <span class="coMULTI">/* 见描述 */</span><span class="sy4">;</span>
|
|
<span class="kw1">using</span> element_type <span class="sy1">=</span> T<span class="sy4">;</span>
|
|
<span class="kw1">using</span> deleter_type <span class="sy1">=</span> D<span class="sy4">;</span>
|
|
|
|
<span class="co1">// 构造函数</span>
|
|
<span class="kw4">constexpr</span> unique_ptr<span class="br0">(</span><span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<span class="kw1">explicit</span> unique_ptr<span class="br0">(</span>pointer p<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
unique_ptr<span class="br0">(</span>pointer p, <span class="coMULTI">/* 见描述 */</span> d1<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
unique_ptr<span class="br0">(</span>pointer p, <span class="coMULTI">/* 见描述 */</span> d2<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
unique_ptr<span class="br0">(</span>unique_ptr<span class="sy3">&&</span> u<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<span class="kw4">constexpr</span> unique_ptr<span class="br0">(</span>nullptr_t<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> U, <span class="kw1">class</span> E<span class="sy1">></span>
|
|
unique_ptr<span class="br0">(</span>unique_ptr<span class="sy1"><</span>U, E<span class="sy1">></span><span class="sy3">&&</span> u<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
|
|
<span class="co1">// 析构函数</span>
|
|
~unique_ptr<span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span>
|
|
|
|
<span class="co1">// 赋值</span>
|
|
unique_ptr<span class="sy3">&</span> operator<span class="sy1">=</span><span class="br0">(</span>unique_ptr<span class="sy3">&&</span> u<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> U, <span class="kw1">class</span> E<span class="sy1">></span>
|
|
unique_ptr<span class="sy3">&</span> operator<span class="sy1">=</span><span class="br0">(</span>unique_ptr<span class="sy1"><</span>U, E<span class="sy1">></span><span class="sy3">&&</span> u<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
unique_ptr<span class="sy3">&</span> operator<span class="sy1">=</span><span class="br0">(</span>nullptr_t<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
|
|
<span class="co1">// 观察器</span>
|
|
add_lvalue_reference_t<span class="sy1"><</span>T<span class="sy1">></span> operator<span class="sy2">*</span><span class="br0">(</span><span class="br0">)</span> <span class="kw4">const</span> <span class="kw1">noexcept</span><span class="br0">(</span><span class="coMULTI">/* 见描述 */</span><span class="br0">)</span><span class="sy4">;</span>
|
|
pointer operator<span class="sy2">-</span><span class="sy1">></span><span class="br0">(</span><span class="br0">)</span> <span class="kw4">const</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
pointer get<span class="br0">(</span><span class="br0">)</span> <span class="kw4">const</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
deleter_type<span class="sy3">&</span> get_deleter<span class="br0">(</span><span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<span class="kw4">const</span> deleter_type<span class="sy3">&</span> get_deleter<span class="br0">(</span><span class="br0">)</span> <span class="kw4">const</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<span class="kw1">explicit</span> operator <span class="kw4">bool</span><span class="br0">(</span><span class="br0">)</span> <span class="kw4">const</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
|
|
<span class="co1">// 修改器</span>
|
|
pointer release<span class="br0">(</span><span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<span class="kw4">void</span> reset<span class="br0">(</span>pointer p <span class="sy1">=</span> pointer<span class="br0">(</span><span class="br0">)</span><span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<span class="kw4">void</span> swap<span class="br0">(</span>unique_ptr<span class="sy3">&</span> u<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
|
|
<span class="co1">// 禁用从左值复制</span>
|
|
unique_ptr<span class="br0">(</span><span class="kw4">const</span> unique_ptr<span class="sy3">&</span><span class="br0">)</span> <span class="sy1">=</span> delete<span class="sy4">;</span>
|
|
unique_ptr<span class="sy3">&</span> operator<span class="sy1">=</span><span class="br0">(</span><span class="kw4">const</span> unique_ptr<span class="sy3">&</span><span class="br0">)</span> <span class="sy1">=</span> delete<span class="sy4">;</span>
|
|
<span class="br0">}</span><span class="sy4">;</span>
|
|
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T, <span class="kw1">class</span> D<span class="sy1">></span> <span class="kw1">class</span> unique_ptr<span class="sy1"><</span>T<span class="br0">[</span><span class="br0">]</span>, D<span class="sy1">></span> <span class="br0">{</span>
|
|
<span class="kw1">public</span><span class="sy4">:</span>
|
|
<span class="kw1">using</span> pointer <span class="sy1">=</span> <span class="coMULTI">/* 见描述 */</span><span class="sy4">;</span>
|
|
<span class="kw1">using</span> element_type <span class="sy1">=</span> T<span class="sy4">;</span>
|
|
<span class="kw1">using</span> deleter_type <span class="sy1">=</span> D<span class="sy4">;</span>
|
|
|
|
<span class="co1">// 构造函数</span>
|
|
<span class="kw4">constexpr</span> unique_ptr<span class="br0">(</span><span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> U<span class="sy1">></span> <span class="kw1">explicit</span> unique_ptr<span class="br0">(</span>U p<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> U<span class="sy1">></span> unique_ptr<span class="br0">(</span>U p, <span class="coMULTI">/* 见描述 */</span> d<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> U<span class="sy1">></span> unique_ptr<span class="br0">(</span>U p, <span class="coMULTI">/* 见描述 */</span> d<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
unique_ptr<span class="br0">(</span>unique_ptr<span class="sy3">&&</span> u<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> U, <span class="kw1">class</span> E<span class="sy1">></span>
|
|
unique_ptr<span class="br0">(</span>unique_ptr<span class="sy1"><</span>U, E<span class="sy1">></span><span class="sy3">&&</span> u<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<span class="kw4">constexpr</span> unique_ptr<span class="br0">(</span>nullptr_t<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
|
|
<span class="co1">// 析构函数</span>
|
|
~unique_ptr<span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span>
|
|
|
|
<span class="co1">// 赋值</span>
|
|
unique_ptr<span class="sy3">&</span> operator<span class="sy1">=</span><span class="br0">(</span>unique_ptr<span class="sy3">&&</span> u<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> U, <span class="kw1">class</span> E<span class="sy1">></span>
|
|
unique_ptr<span class="sy3">&</span> operator<span class="sy1">=</span><span class="br0">(</span>unique_ptr<span class="sy1"><</span>U, E<span class="sy1">></span><span class="sy3">&&</span> u<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
unique_ptr<span class="sy3">&</span> operator<span class="sy1">=</span><span class="br0">(</span>nullptr_t<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
|
|
<span class="co1">// 观察器</span>
|
|
T<span class="sy3">&</span> operator<span class="br0">[</span><span class="br0">]</span><span class="br0">(</span>size_t i<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
|
|
pointer get<span class="br0">(</span><span class="br0">)</span> <span class="kw4">const</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
deleter_type<span class="sy3">&</span> get_deleter<span class="br0">(</span><span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<span class="kw4">const</span> deleter_type<span class="sy3">&</span> get_deleter<span class="br0">(</span><span class="br0">)</span> <span class="kw4">const</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<span class="kw1">explicit</span> operator <span class="kw4">bool</span><span class="br0">(</span><span class="br0">)</span> <span class="kw4">const</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
|
|
<span class="co1">// 修改器</span>
|
|
pointer release<span class="br0">(</span><span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> U<span class="sy1">></span> <span class="kw4">void</span> reset<span class="br0">(</span>U p<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<span class="kw4">void</span> reset<span class="br0">(</span>nullptr_t <span class="sy1">=</span> nullptr<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<span class="kw4">void</span> swap<span class="br0">(</span>unique_ptr<span class="sy3">&</span> u<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
|
|
<span class="co1">// 禁用从左值复制</span>
|
|
unique_ptr<span class="br0">(</span><span class="kw4">const</span> unique_ptr<span class="sy3">&</span><span class="br0">)</span> <span class="sy1">=</span> delete<span class="sy4">;</span>
|
|
unique_ptr<span class="sy3">&</span> operator<span class="sy1">=</span><span class="br0">(</span><span class="kw4">const</span> unique_ptr<span class="sy3">&</span><span class="br0">)</span> <span class="sy1">=</span> delete<span class="sy4">;</span>
|
|
<span class="br0">}</span><span class="sy4">;</span>
|
|
<span class="br0">}</span></pre></div>
|
|
</div>
|
|
<h4><span class="mw-headline" id=".E7.B1.BB_std::bad_weak_ptr">类 <span class="t-lc"><a href="cpp-memory-bad_weak_ptr.html">std::bad_weak_ptr</a></span></span></h4>
|
|
<div dir="ltr" class="mw-geshi" style="text-align: left;">
|
|
<div class="cpp source-cpp">
|
|
<pre class="de1"><span class="kw1">namespace</span> std <span class="br0">{</span>
|
|
<span class="kw1">class</span> bad_weak_ptr <span class="sy4">:</span> <span class="kw1">public</span> exception <span class="br0">{</span>
|
|
<span class="kw1">public</span><span class="sy4">:</span>
|
|
bad_weak_ptr<span class="br0">(</span><span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<span class="br0">}</span><span class="sy4">;</span>
|
|
<span class="br0">}</span></pre></div>
|
|
</div>
|
|
<h4><span class="mw-headline" id=".E7.B1.BB.E6.A8.A1.E6.9D.BF_std::shared_ptr">类模板 <span class="t-lc"><a href="cpp-memory-shared_ptr.html">std::shared_ptr</a></span></span></h4>
|
|
<div dir="ltr" class="mw-geshi" style="text-align: left;">
|
|
<div class="cpp source-cpp">
|
|
<pre class="de1"><span class="kw1">namespace</span> std <span class="br0">{</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T<span class="sy1">></span> <span class="kw1">class</span> shared_ptr <span class="br0">{</span>
|
|
<span class="kw1">public</span><span class="sy4">:</span>
|
|
<span class="kw1">using</span> element_type <span class="sy1">=</span> remove_extent_t<span class="sy1"><</span>T<span class="sy1">></span><span class="sy4">;</span>
|
|
<span class="kw1">using</span> weak_type <span class="sy1">=</span> weak_ptr<span class="sy1"><</span>T<span class="sy1">></span><span class="sy4">;</span>
|
|
|
|
<span class="co1">// 构造函数</span>
|
|
<span class="kw4">constexpr</span> shared_ptr<span class="br0">(</span><span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<span class="kw4">constexpr</span> shared_ptr<span class="br0">(</span>nullptr_t<span class="br0">)</span> <span class="kw1">noexcept</span> <span class="sy4">:</span> shared_ptr<span class="br0">(</span><span class="br0">)</span> <span class="br0">{</span> <span class="br0">}</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> Y<span class="sy1">></span>
|
|
<span class="kw1">explicit</span> shared_ptr<span class="br0">(</span>Y<span class="sy2">*</span> p<span class="br0">)</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> Y, <span class="kw1">class</span> D<span class="sy1">></span>
|
|
shared_ptr<span class="br0">(</span>Y<span class="sy2">*</span> p, D d<span class="br0">)</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> Y, <span class="kw1">class</span> D, <span class="kw1">class</span> A<span class="sy1">></span>
|
|
shared_ptr<span class="br0">(</span>Y<span class="sy2">*</span> p, D d, A a<span class="br0">)</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> D<span class="sy1">></span>
|
|
shared_ptr<span class="br0">(</span>nullptr_t p, D d<span class="br0">)</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> D, <span class="kw1">class</span> A<span class="sy1">></span>
|
|
shared_ptr<span class="br0">(</span>nullptr_t p, D d, A a<span class="br0">)</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> Y<span class="sy1">></span>
|
|
shared_ptr<span class="br0">(</span><span class="kw4">const</span> shared_ptr<span class="sy1"><</span>Y<span class="sy1">></span><span class="sy3">&</span> r, element_type<span class="sy2">*</span> p<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> Y<span class="sy1">></span>
|
|
shared_ptr<span class="br0">(</span>shared_ptr<span class="sy1"><</span>Y<span class="sy1">></span><span class="sy3">&&</span> r, element_type<span class="sy2">*</span> p<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
shared_ptr<span class="br0">(</span><span class="kw4">const</span> shared_ptr<span class="sy3">&</span> r<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> Y<span class="sy1">></span>
|
|
shared_ptr<span class="br0">(</span><span class="kw4">const</span> shared_ptr<span class="sy1"><</span>Y<span class="sy1">></span><span class="sy3">&</span> r<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
shared_ptr<span class="br0">(</span>shared_ptr<span class="sy3">&&</span> r<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> Y<span class="sy1">></span>
|
|
shared_ptr<span class="br0">(</span>shared_ptr<span class="sy1"><</span>Y<span class="sy1">></span><span class="sy3">&&</span> r<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> Y<span class="sy1">></span>
|
|
<span class="kw1">explicit</span> shared_ptr<span class="br0">(</span><span class="kw4">const</span> weak_ptr<span class="sy1"><</span>Y<span class="sy1">></span><span class="sy3">&</span> r<span class="br0">)</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> Y, <span class="kw1">class</span> D<span class="sy1">></span>
|
|
shared_ptr<span class="br0">(</span>unique_ptr<span class="sy1"><</span>Y, D<span class="sy1">></span><span class="sy3">&&</span> r<span class="br0">)</span><span class="sy4">;</span>
|
|
|
|
<span class="co1">// 析构函数</span>
|
|
~shared_ptr<span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span>
|
|
|
|
<span class="co1">// 赋值</span>
|
|
shared_ptr<span class="sy3">&</span> operator<span class="sy1">=</span><span class="br0">(</span><span class="kw4">const</span> shared_ptr<span class="sy3">&</span> r<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> Y<span class="sy1">></span>
|
|
shared_ptr<span class="sy3">&</span> operator<span class="sy1">=</span><span class="br0">(</span><span class="kw4">const</span> shared_ptr<span class="sy1"><</span>Y<span class="sy1">></span><span class="sy3">&</span> r<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
shared_ptr<span class="sy3">&</span> operator<span class="sy1">=</span><span class="br0">(</span>shared_ptr<span class="sy3">&&</span> r<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> Y<span class="sy1">></span>
|
|
shared_ptr<span class="sy3">&</span> operator<span class="sy1">=</span><span class="br0">(</span>shared_ptr<span class="sy1"><</span>Y<span class="sy1">></span><span class="sy3">&&</span> r<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> Y, <span class="kw1">class</span> D<span class="sy1">></span>
|
|
shared_ptr<span class="sy3">&</span> operator<span class="sy1">=</span><span class="br0">(</span>unique_ptr<span class="sy1"><</span>Y, D<span class="sy1">></span><span class="sy3">&&</span> r<span class="br0">)</span><span class="sy4">;</span>
|
|
|
|
<span class="co1">// 修改器</span>
|
|
<span class="kw4">void</span> swap<span class="br0">(</span>shared_ptr<span class="sy3">&</span> r<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<span class="kw4">void</span> reset<span class="br0">(</span><span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> Y<span class="sy1">></span>
|
|
<span class="kw4">void</span> reset<span class="br0">(</span>Y<span class="sy2">*</span> p<span class="br0">)</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> Y, <span class="kw1">class</span> D<span class="sy1">></span>
|
|
<span class="kw4">void</span> reset<span class="br0">(</span>Y<span class="sy2">*</span> p, D d<span class="br0">)</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> Y, <span class="kw1">class</span> D, <span class="kw1">class</span> A<span class="sy1">></span>
|
|
<span class="kw4">void</span> reset<span class="br0">(</span>Y<span class="sy2">*</span> p, D d, A a<span class="br0">)</span><span class="sy4">;</span>
|
|
|
|
<span class="co1">// 观察器</span>
|
|
element_type<span class="sy2">*</span> get<span class="br0">(</span><span class="br0">)</span> <span class="kw4">const</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
T<span class="sy3">&</span> operator<span class="sy2">*</span><span class="br0">(</span><span class="br0">)</span> <span class="kw4">const</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
T<span class="sy2">*</span> operator<span class="sy2">-</span><span class="sy1">></span><span class="br0">(</span><span class="br0">)</span> <span class="kw4">const</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
element_type<span class="sy3">&</span> operator<span class="br0">[</span><span class="br0">]</span><span class="br0">(</span>ptrdiff_t i<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
|
|
<span class="kw4">long</span> use_count<span class="br0">(</span><span class="br0">)</span> <span class="kw4">const</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<span class="kw1">explicit</span> operator <span class="kw4">bool</span><span class="br0">(</span><span class="br0">)</span> <span class="kw4">const</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> U<span class="sy1">></span>
|
|
<span class="kw4">bool</span> owner_before<span class="br0">(</span><span class="kw4">const</span> shared_ptr<span class="sy1"><</span>U<span class="sy1">></span><span class="sy3">&</span> b<span class="br0">)</span> <span class="kw4">const</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> U<span class="sy1">></span>
|
|
<span class="kw4">bool</span> owner_before<span class="br0">(</span><span class="kw4">const</span> weak_ptr<span class="sy1"><</span>U<span class="sy1">></span><span class="sy3">&</span> b<span class="br0">)</span> <span class="kw4">const</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<span class="br0">}</span><span class="sy4">;</span>
|
|
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T<span class="sy1">></span>
|
|
shared_ptr<span class="br0">(</span>weak_ptr<span class="sy1"><</span>T<span class="sy1">></span><span class="br0">)</span> <span class="sy2">-</span><span class="sy1">></span> shared_ptr<span class="sy1"><</span>T<span class="sy1">></span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T, <span class="kw1">class</span> D<span class="sy1">></span>
|
|
shared_ptr<span class="br0">(</span>unique_ptr<span class="sy1"><</span>T, D<span class="sy1">></span><span class="br0">)</span> <span class="sy2">-</span><span class="sy1">></span> shared_ptr<span class="sy1"><</span>T<span class="sy1">></span><span class="sy4">;</span>
|
|
<span class="br0">}</span></pre></div>
|
|
</div>
|
|
<h4><span class="mw-headline" id=".E7.B1.BB.E6.A8.A1.E6.9D.BF_std::weak_ptr">类模板 <span class="t-lc"><a href="cpp-memory-weak_ptr.html">std::weak_ptr</a></span></span></h4>
|
|
<div dir="ltr" class="mw-geshi" style="text-align: left;">
|
|
<div class="cpp source-cpp">
|
|
<pre class="de1"><span class="kw1">namespace</span> std <span class="br0">{</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T<span class="sy1">></span> <span class="kw1">class</span> weak_ptr <span class="br0">{</span>
|
|
<span class="kw1">public</span><span class="sy4">:</span>
|
|
<span class="kw1">using</span> element_type <span class="sy1">=</span> remove_extent_t<span class="sy1"><</span>T<span class="sy1">></span><span class="sy4">;</span>
|
|
|
|
<span class="co1">// 构造函数</span>
|
|
<span class="kw4">constexpr</span> weak_ptr<span class="br0">(</span><span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> Y<span class="sy1">></span>
|
|
weak_ptr<span class="br0">(</span><span class="kw4">const</span> shared_ptr<span class="sy1"><</span>Y<span class="sy1">></span><span class="sy3">&</span> r<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
weak_ptr<span class="br0">(</span><span class="kw4">const</span> weak_ptr<span class="sy3">&</span> r<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> Y<span class="sy1">></span>
|
|
weak_ptr<span class="br0">(</span><span class="kw4">const</span> weak_ptr<span class="sy1"><</span>Y<span class="sy1">></span><span class="sy3">&</span> r<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
weak_ptr<span class="br0">(</span>weak_ptr<span class="sy3">&&</span> r<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> Y<span class="sy1">></span>
|
|
weak_ptr<span class="br0">(</span>weak_ptr<span class="sy1"><</span>Y<span class="sy1">></span><span class="sy3">&&</span> r<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
|
|
<span class="co1">// 析构函数</span>
|
|
~weak_ptr<span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span>
|
|
|
|
<span class="co1">// 赋值</span>
|
|
weak_ptr<span class="sy3">&</span> operator<span class="sy1">=</span><span class="br0">(</span><span class="kw4">const</span> weak_ptr<span class="sy3">&</span> r<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> Y<span class="sy1">></span>
|
|
weak_ptr<span class="sy3">&</span> operator<span class="sy1">=</span><span class="br0">(</span><span class="kw4">const</span> weak_ptr<span class="sy1"><</span>Y<span class="sy1">></span><span class="sy3">&</span> r<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> Y<span class="sy1">></span>
|
|
weak_ptr<span class="sy3">&</span> operator<span class="sy1">=</span><span class="br0">(</span><span class="kw4">const</span> shared_ptr<span class="sy1"><</span>Y<span class="sy1">></span><span class="sy3">&</span> r<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
weak_ptr<span class="sy3">&</span> operator<span class="sy1">=</span><span class="br0">(</span>weak_ptr<span class="sy3">&&</span> r<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> Y<span class="sy1">></span>
|
|
weak_ptr<span class="sy3">&</span> operator<span class="sy1">=</span><span class="br0">(</span>weak_ptr<span class="sy1"><</span>Y<span class="sy1">></span><span class="sy3">&&</span> r<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
|
|
<span class="co1">// 修改器</span>
|
|
<span class="kw4">void</span> swap<span class="br0">(</span>weak_ptr<span class="sy3">&</span> r<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<span class="kw4">void</span> reset<span class="br0">(</span><span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
|
|
<span class="co1">// 观察器</span>
|
|
<span class="kw4">long</span> use_count<span class="br0">(</span><span class="br0">)</span> <span class="kw4">const</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<span class="kw4">bool</span> expired<span class="br0">(</span><span class="br0">)</span> <span class="kw4">const</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
shared_ptr<span class="sy1"><</span>T<span class="sy1">></span> lock<span class="br0">(</span><span class="br0">)</span> <span class="kw4">const</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> U<span class="sy1">></span>
|
|
<span class="kw4">bool</span> owner_before<span class="br0">(</span><span class="kw4">const</span> shared_ptr<span class="sy1"><</span>U<span class="sy1">></span><span class="sy3">&</span> b<span class="br0">)</span> <span class="kw4">const</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> U<span class="sy1">></span>
|
|
<span class="kw4">bool</span> owner_before<span class="br0">(</span><span class="kw4">const</span> weak_ptr<span class="sy1"><</span>U<span class="sy1">></span><span class="sy3">&</span> b<span class="br0">)</span> <span class="kw4">const</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<span class="br0">}</span><span class="sy4">;</span>
|
|
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T<span class="sy1">></span>
|
|
weak_ptr<span class="br0">(</span>shared_ptr<span class="sy1"><</span>T<span class="sy1">></span><span class="br0">)</span> <span class="sy2">-</span><span class="sy1">></span> weak_ptr<span class="sy1"><</span>T<span class="sy1">></span><span class="sy4">;</span>
|
|
<span class="br0">}</span></pre></div>
|
|
</div>
|
|
<h4><span class="mw-headline" id=".E7.B1.BB.E6.A8.A1.E6.9D.BF_std::owner_less">类模板 <span class="t-lc"><a href="cpp-memory-owner_less.html">std::owner_less</a></span></span></h4>
|
|
<div dir="ltr" class="mw-geshi" style="text-align: left;">
|
|
<div class="cpp source-cpp">
|
|
<pre class="de1"><span class="kw1">namespace</span> std <span class="br0">{</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T <span class="sy1">=</span> <span class="kw4">void</span><span class="sy1">></span> <span class="kw1">struct</span> owner_less<span class="sy4">;</span>
|
|
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T<span class="sy1">></span> <span class="kw1">struct</span> owner_less<span class="sy1"><</span>shared_ptr<span class="sy1"><</span>T<span class="sy1">>></span> <span class="br0">{</span>
|
|
<span class="kw4">bool</span> operator<span class="br0">(</span><span class="br0">)</span><span class="br0">(</span><span class="kw4">const</span> shared_ptr<span class="sy1"><</span>T<span class="sy1">></span><span class="sy3">&</span>, <span class="kw4">const</span> shared_ptr<span class="sy1"><</span>T<span class="sy1">></span><span class="sy3">&</span><span class="br0">)</span> <span class="kw4">const</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<span class="kw4">bool</span> operator<span class="br0">(</span><span class="br0">)</span><span class="br0">(</span><span class="kw4">const</span> shared_ptr<span class="sy1"><</span>T<span class="sy1">></span><span class="sy3">&</span>, <span class="kw4">const</span> weak_ptr<span class="sy1"><</span>T<span class="sy1">></span><span class="sy3">&</span><span class="br0">)</span> <span class="kw4">const</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<span class="kw4">bool</span> operator<span class="br0">(</span><span class="br0">)</span><span class="br0">(</span><span class="kw4">const</span> weak_ptr<span class="sy1"><</span>T<span class="sy1">></span><span class="sy3">&</span>, <span class="kw4">const</span> shared_ptr<span class="sy1"><</span>T<span class="sy1">></span><span class="sy3">&</span><span class="br0">)</span> <span class="kw4">const</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<span class="br0">}</span><span class="sy4">;</span>
|
|
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T<span class="sy1">></span> <span class="kw1">struct</span> owner_less<span class="sy1"><</span>weak_ptr<span class="sy1"><</span>T<span class="sy1">>></span> <span class="br0">{</span>
|
|
<span class="kw4">bool</span> operator<span class="br0">(</span><span class="br0">)</span><span class="br0">(</span><span class="kw4">const</span> weak_ptr<span class="sy1"><</span>T<span class="sy1">></span><span class="sy3">&</span>, <span class="kw4">const</span> weak_ptr<span class="sy1"><</span>T<span class="sy1">></span><span class="sy3">&</span><span class="br0">)</span> <span class="kw4">const</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<span class="kw4">bool</span> operator<span class="br0">(</span><span class="br0">)</span><span class="br0">(</span><span class="kw4">const</span> shared_ptr<span class="sy1"><</span>T<span class="sy1">></span><span class="sy3">&</span>, <span class="kw4">const</span> weak_ptr<span class="sy1"><</span>T<span class="sy1">></span><span class="sy3">&</span><span class="br0">)</span> <span class="kw4">const</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<span class="kw4">bool</span> operator<span class="br0">(</span><span class="br0">)</span><span class="br0">(</span><span class="kw4">const</span> weak_ptr<span class="sy1"><</span>T<span class="sy1">></span><span class="sy3">&</span>, <span class="kw4">const</span> shared_ptr<span class="sy1"><</span>T<span class="sy1">></span><span class="sy3">&</span><span class="br0">)</span> <span class="kw4">const</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<span class="br0">}</span><span class="sy4">;</span>
|
|
|
|
<span class="kw1">template</span><span class="sy1"><></span> <span class="kw1">struct</span> owner_less<span class="sy1"><</span><span class="kw4">void</span><span class="sy1">></span> <span class="br0">{</span>
|
|
<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>
|
|
<span class="kw4">bool</span> operator<span class="br0">(</span><span class="br0">)</span><span class="br0">(</span><span class="kw4">const</span> shared_ptr<span class="sy1"><</span>T<span class="sy1">></span><span class="sy3">&</span>, <span class="kw4">const</span> shared_ptr<span class="sy1"><</span>U<span class="sy1">></span><span class="sy3">&</span><span class="br0">)</span> <span class="kw4">const</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<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>
|
|
<span class="kw4">bool</span> operator<span class="br0">(</span><span class="br0">)</span><span class="br0">(</span><span class="kw4">const</span> shared_ptr<span class="sy1"><</span>T<span class="sy1">></span><span class="sy3">&</span>, <span class="kw4">const</span> weak_ptr<span class="sy1"><</span>U<span class="sy1">></span><span class="sy3">&</span><span class="br0">)</span> <span class="kw4">const</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<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>
|
|
<span class="kw4">bool</span> operator<span class="br0">(</span><span class="br0">)</span><span class="br0">(</span><span class="kw4">const</span> weak_ptr<span class="sy1"><</span>T<span class="sy1">></span><span class="sy3">&</span>, <span class="kw4">const</span> shared_ptr<span class="sy1"><</span>U<span class="sy1">></span><span class="sy3">&</span><span class="br0">)</span> <span class="kw4">const</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<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>
|
|
<span class="kw4">bool</span> operator<span class="br0">(</span><span class="br0">)</span><span class="br0">(</span><span class="kw4">const</span> weak_ptr<span class="sy1"><</span>T<span class="sy1">></span><span class="sy3">&</span>, <span class="kw4">const</span> weak_ptr<span class="sy1"><</span>U<span class="sy1">></span><span class="sy3">&</span><span class="br0">)</span> <span class="kw4">const</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
|
|
<span class="kw1">using</span> is_transparent <span class="sy1">=</span> <span class="coMULTI">/* 未指明 */</span><span class="sy4">;</span>
|
|
<span class="br0">}</span><span class="sy4">;</span>
|
|
<span class="br0">}</span></pre></div>
|
|
</div>
|
|
<h4><span class="mw-headline" id=".E7.B1.BB.E6.A8.A1.E6.9D.BF_std::enable_shared_from_this">类模板 <span class="t-lc"><a href="cpp-memory-enable_shared_from_this.html">std::enable_shared_from_this</a></span></span></h4>
|
|
<div dir="ltr" class="mw-geshi" style="text-align: left;">
|
|
<div class="cpp source-cpp">
|
|
<pre class="de1"><span class="kw1">namespace</span> std <span class="br0">{</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T<span class="sy1">></span> <span class="kw1">class</span> enable_shared_from_this <span class="br0">{</span>
|
|
<span class="kw1">protected</span><span class="sy4">:</span>
|
|
<span class="kw4">constexpr</span> enable_shared_from_this<span class="br0">(</span><span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
enable_shared_from_this<span class="br0">(</span><span class="kw4">const</span> enable_shared_from_this<span class="sy3">&</span><span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
enable_shared_from_this<span class="sy3">&</span> operator<span class="sy1">=</span><span class="br0">(</span><span class="kw4">const</span> enable_shared_from_this<span class="sy3">&</span><span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
~enable_shared_from_this<span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span>
|
|
|
|
<span class="kw1">public</span><span class="sy4">:</span>
|
|
shared_ptr<span class="sy1"><</span>T<span class="sy1">></span> shared_from_this<span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span>
|
|
shared_ptr<span class="sy1"><</span>T <span class="kw4">const</span><span class="sy1">></span> shared_from_this<span class="br0">(</span><span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
|
|
weak_ptr<span class="sy1"><</span>T<span class="sy1">></span> weak_from_this<span class="br0">(</span><span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
weak_ptr<span class="sy1"><</span>T <span class="kw4">const</span><span class="sy1">></span> weak_from_this<span class="br0">(</span><span class="br0">)</span> <span class="kw4">const</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
|
|
<span class="kw1">private</span><span class="sy4">:</span>
|
|
mutable weak_ptr<span class="sy1"><</span>T<span class="sy1">></span> weak_this<span class="sy4">;</span> <span class="co1">// 仅用于阐释</span>
|
|
<span class="br0">}</span><span class="sy4">;</span>
|
|
<span class="br0">}</span></pre></div>
|
|
</div>
|
|
<h4><span class="mw-headline" id=".E7.B1.BB.E6.A8.A1.E6.9D.BF_std::atomic_.E5.AF.B9_std::shared_ptr_.E7.9A.84.E7.89.B9.E5.8C.96">类模板 <span class="t-lc"><a href="cpp-atomic-atomic.html">std::atomic</a></span> 对 <span class="t-lc"><a href="cpp-memory-shared_ptr.html">std::shared_ptr</a></span> 的特化</span></h4>
|
|
<div dir="ltr" class="mw-geshi" style="text-align: left;">
|
|
<div class="cpp source-cpp">
|
|
<pre class="de1"><span class="kw1">namespace</span> std <span class="br0">{</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T<span class="sy1">></span> <span class="kw1">struct</span> atomic<span class="sy1"><</span>shared_ptr<span class="sy1"><</span>T<span class="sy1">>></span> <span class="br0">{</span>
|
|
<span class="kw1">using</span> value_type <span class="sy1">=</span> shared_ptr<span class="sy1"><</span>T<span class="sy1">></span><span class="sy4">;</span>
|
|
<span class="kw4">static</span> <span class="kw4">constexpr</span> <span class="kw4">bool</span> is_always_lock_free <span class="sy1">=</span> <span class="coMULTI">/* 由实现定义 */</span><span class="sy4">;</span>
|
|
|
|
<span class="kw4">bool</span> is_lock_free<span class="br0">(</span><span class="br0">)</span> <span class="kw4">const</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<span class="kw4">void</span> store<span class="br0">(</span>shared_ptr<span class="sy1"><</span>T<span class="sy1">></span> desired, memory_order order <span class="sy1">=</span> memory_order<span class="sy4">::</span><span class="me2">seq_cst</span><span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
shared_ptr<span class="sy1"><</span>T<span class="sy1">></span> load<span class="br0">(</span>memory_order order <span class="sy1">=</span> memory_order<span class="sy4">::</span><span class="me2">seq_cst</span><span class="br0">)</span> <span class="kw4">const</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
operator shared_ptr<span class="sy1"><</span>T<span class="sy1">></span><span class="br0">(</span><span class="br0">)</span> <span class="kw4">const</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
|
|
shared_ptr<span class="sy1"><</span>T<span class="sy1">></span> exchange<span class="br0">(</span>shared_ptr<span class="sy1"><</span>T<span class="sy1">></span> desired,
|
|
memory_order order <span class="sy1">=</span> memory_order<span class="sy4">::</span><span class="me2">seq_cst</span><span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
|
|
<span class="kw4">bool</span> compare_exchange_weak<span class="br0">(</span>shared_ptr<span class="sy1"><</span>T<span class="sy1">></span><span class="sy3">&</span> expected, shared_ptr<span class="sy1"><</span>T<span class="sy1">></span> desired,
|
|
memory_order success, memory_order failure<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<span class="kw4">bool</span> compare_exchange_strong<span class="br0">(</span>shared_ptr<span class="sy1"><</span>T<span class="sy1">></span><span class="sy3">&</span> expected, shared_ptr<span class="sy1"><</span>T<span class="sy1">></span> desired,
|
|
memory_order success, memory_order failure<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
|
|
<span class="kw4">bool</span> compare_exchange_weak<span class="br0">(</span>shared_ptr<span class="sy1"><</span>T<span class="sy1">></span><span class="sy3">&</span> expected, shared_ptr<span class="sy1"><</span>T<span class="sy1">></span> desired,
|
|
memory_order order <span class="sy1">=</span> memory_order<span class="sy4">::</span><span class="me2">seq_cst</span><span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<span class="kw4">bool</span> compare_exchange_strong<span class="br0">(</span>shared_ptr<span class="sy1"><</span>T<span class="sy1">></span><span class="sy3">&</span> expected, shared_ptr<span class="sy1"><</span>T<span class="sy1">></span> desired,
|
|
memory_order order <span class="sy1">=</span> memory_order<span class="sy4">::</span><span class="me2">seq_cst</span><span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
|
|
<span class="kw4">constexpr</span> atomic<span class="br0">(</span><span class="br0">)</span> <span class="kw1">noexcept</span> <span class="sy1">=</span> <span class="kw1">default</span><span class="sy4">;</span>
|
|
atomic<span class="br0">(</span>shared_ptr<span class="sy1"><</span>T<span class="sy1">></span> desired<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
atomic<span class="br0">(</span><span class="kw4">const</span> atomic<span class="sy3">&</span><span class="br0">)</span> <span class="sy1">=</span> delete<span class="sy4">;</span>
|
|
<span class="kw4">void</span> operator<span class="sy1">=</span><span class="br0">(</span><span class="kw4">const</span> atomic<span class="sy3">&</span><span class="br0">)</span> <span class="sy1">=</span> delete<span class="sy4">;</span>
|
|
<span class="kw4">void</span> operator<span class="sy1">=</span><span class="br0">(</span>shared_ptr<span class="sy1"><</span>T<span class="sy1">></span> desired<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
|
|
<span class="kw1">private</span><span class="sy4">:</span>
|
|
shared_ptr<span class="sy1"><</span>T<span class="sy1">></span> p<span class="sy4">;</span> <span class="co1">// 仅用于阐释</span>
|
|
<span class="br0">}</span><span class="sy4">;</span>
|
|
<span class="br0">}</span></pre></div>
|
|
</div>
|
|
<h4><span class="mw-headline" id=".E7.B1.BB.E6.A8.A1.E6.9D.BF_std::atomic_.E5.AF.B9_std::weak_ptr_.E7.9A.84.E7.89.B9.E5.8C.96">类模板 <span class="t-lc"><a href="cpp-atomic-atomic.html">std::atomic</a></span> 对 <span class="t-lc"><a href="cpp-memory-weak_ptr.html">std::weak_ptr</a></span> 的特化</span></h4>
|
|
<div dir="ltr" class="mw-geshi" style="text-align: left;">
|
|
<div class="cpp source-cpp">
|
|
<pre class="de1"><span class="kw1">namespace</span> std <span class="br0">{</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> T<span class="sy1">></span> <span class="kw1">struct</span> atomic<span class="sy1"><</span>weak_ptr<span class="sy1"><</span>T<span class="sy1">>></span> <span class="br0">{</span>
|
|
<span class="kw1">using</span> value_type <span class="sy1">=</span> weak_ptr<span class="sy1"><</span>T<span class="sy1">></span><span class="sy4">;</span>
|
|
<span class="kw4">static</span> <span class="kw4">constexpr</span> <span class="kw4">bool</span> is_always_lock_free <span class="sy1">=</span> <span class="coMULTI">/* 由实现定义 */</span><span class="sy4">;</span>
|
|
|
|
<span class="kw4">bool</span> is_lock_free<span class="br0">(</span><span class="br0">)</span> <span class="kw4">const</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<span class="kw4">void</span> store<span class="br0">(</span>weak_ptr<span class="sy1"><</span>T<span class="sy1">></span> desired, memory_order order <span class="sy1">=</span> memory_order<span class="sy4">::</span><span class="me2">seq_cst</span><span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
weak_ptr<span class="sy1"><</span>T<span class="sy1">></span> load<span class="br0">(</span>memory_order order <span class="sy1">=</span> memory_order<span class="sy4">::</span><span class="me2">seq_cst</span><span class="br0">)</span> <span class="kw4">const</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
operator weak_ptr<span class="sy1"><</span>T<span class="sy1">></span><span class="br0">(</span><span class="br0">)</span> <span class="kw4">const</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
|
|
weak_ptr<span class="sy1"><</span>T<span class="sy1">></span> exchange<span class="br0">(</span>weak_ptr<span class="sy1"><</span>T<span class="sy1">></span> desired,
|
|
memory_order order <span class="sy1">=</span> memory_order<span class="sy4">::</span><span class="me2">seq_cst</span><span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
|
|
<span class="kw4">bool</span> compare_exchange_weak<span class="br0">(</span>weak_ptr<span class="sy1"><</span>T<span class="sy1">></span><span class="sy3">&</span> expected, weak_ptr<span class="sy1"><</span>T<span class="sy1">></span> desired,
|
|
memory_order success, memory_order failure<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<span class="kw4">bool</span> compare_exchange_strong<span class="br0">(</span>weak_ptr<span class="sy1"><</span>T<span class="sy1">></span><span class="sy3">&</span> expected, weak_ptr<span class="sy1"><</span>T<span class="sy1">></span> desired,
|
|
memory_order success, memory_order failure<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
|
|
<span class="kw4">bool</span> compare_exchange_weak<span class="br0">(</span>weak_ptr<span class="sy1"><</span>T<span class="sy1">></span><span class="sy3">&</span> expected, weak_ptr<span class="sy1"><</span>T<span class="sy1">></span> desired,
|
|
memory_order order <span class="sy1">=</span> memory_order<span class="sy4">::</span><span class="me2">seq_cst</span><span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
<span class="kw4">bool</span> compare_exchange_strong<span class="br0">(</span>weak_ptr<span class="sy1"><</span>T<span class="sy1">></span><span class="sy3">&</span> expected, weak_ptr<span class="sy1"><</span>T<span class="sy1">></span> desired,
|
|
memory_order order <span class="sy1">=</span> memory_order<span class="sy4">::</span><span class="me2">seq_cst</span><span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
|
|
<span class="kw4">constexpr</span> atomic<span class="br0">(</span><span class="br0">)</span> <span class="kw1">noexcept</span> <span class="sy1">=</span> <span class="kw1">default</span><span class="sy4">;</span>
|
|
atomic<span class="br0">(</span>weak_ptr<span class="sy1"><</span>T<span class="sy1">></span> desired<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
atomic<span class="br0">(</span><span class="kw4">const</span> atomic<span class="sy3">&</span><span class="br0">)</span> <span class="sy1">=</span> delete<span class="sy4">;</span>
|
|
<span class="kw4">void</span> operator<span class="sy1">=</span><span class="br0">(</span><span class="kw4">const</span> atomic<span class="sy3">&</span><span class="br0">)</span> <span class="sy1">=</span> delete<span class="sy4">;</span>
|
|
<span class="kw4">void</span> operator<span class="sy1">=</span><span class="br0">(</span>weak_ptr<span class="sy1"><</span>T<span class="sy1">></span> desired<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
|
|
<span class="kw1">private</span><span class="sy4">:</span>
|
|
weak_ptr<span class="sy1"><</span>T<span class="sy1">></span> p<span class="sy4">;</span> <span class="co1">// 仅用于阐释</span>
|
|
<span class="br0">}</span><span class="sy4">;</span>
|
|
<span class="br0">}</span></pre></div>
|
|
</div>
|
|
<h4><span class="mw-headline" id=".E7.B1.BB.E6.A8.A1.E6.9D.BF_std::out_ptr_t">类模板 <span class="t-lc">std::out_ptr_t</span></span></h4>
|
|
<div dir="ltr" class="mw-geshi" style="text-align: left;">
|
|
<div class="cpp source-cpp">
|
|
<pre class="de1"><span class="kw1">namespace</span> std <span class="br0">{</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> Smart, <span class="kw1">class</span> Pointer, <span class="kw1">class</span>... <span class="me1">Args</span><span class="sy1">></span>
|
|
<span class="kw1">class</span> out_ptr_t <span class="br0">{</span>
|
|
<span class="kw1">public</span><span class="sy4">:</span>
|
|
<span class="kw1">explicit</span> out_ptr_t<span class="br0">(</span>Smart<span class="sy3">&</span>, Args...<span class="br0">)</span><span class="sy4">;</span>
|
|
out_ptr_t<span class="br0">(</span><span class="kw4">const</span> out_ptr_t<span class="sy3">&</span><span class="br0">)</span> <span class="sy1">=</span> delete<span class="sy4">;</span>
|
|
|
|
~out_ptr_t<span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span>
|
|
|
|
operator Pointer<span class="sy2">*</span><span class="br0">(</span><span class="br0">)</span> <span class="kw4">const</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
operator <span class="kw4">void</span><span class="sy2">**</span><span class="br0">(</span><span class="br0">)</span> <span class="kw4">const</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
|
|
<span class="kw1">private</span><span class="sy4">:</span>
|
|
Smart<span class="sy3">&</span> s<span class="sy4">;</span> <span class="co1">// 仅用于阐释</span>
|
|
tuple<span class="sy1"><</span>Args...<span class="sy1">></span> a<span class="sy4">;</span> <span class="co1">// 仅用于阐释</span>
|
|
Pointer p<span class="sy4">;</span> <span class="co1">// 仅用于阐释</span>
|
|
<span class="br0">}</span><span class="sy4">;</span>
|
|
<span class="br0">}</span></pre></div>
|
|
</div>
|
|
<h4><span class="mw-headline" id=".E7.B1.BB.E6.A8.A1.E6.9D.BF_std::in_out_ptr_t">类模板 <span class="t-lc">std::in_out_ptr_t</span></span></h4>
|
|
<div dir="ltr" class="mw-geshi" style="text-align: left;">
|
|
<div class="cpp source-cpp">
|
|
<pre class="de1"><span class="kw1">namespace</span> std <span class="br0">{</span>
|
|
<span class="kw1">template</span><span class="sy1"><</span><span class="kw1">class</span> Smart, <span class="kw1">class</span> Pointer, <span class="kw1">class</span>... <span class="me1">Args</span><span class="sy1">></span>
|
|
<span class="kw1">class</span> inout_ptr_t <span class="br0">{</span>
|
|
<span class="kw1">public</span><span class="sy4">:</span>
|
|
<span class="kw1">explicit</span> inout_ptr_t<span class="br0">(</span>Smart<span class="sy3">&</span>, Args...<span class="br0">)</span><span class="sy4">;</span>
|
|
inout_ptr_t<span class="br0">(</span><span class="kw4">const</span> inout_ptr_t<span class="sy3">&</span><span class="br0">)</span> <span class="sy1">=</span> delete<span class="sy4">;</span>
|
|
|
|
~inout_ptr_t<span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span>
|
|
|
|
operator Pointer<span class="sy2">*</span><span class="br0">(</span><span class="br0">)</span> <span class="kw4">const</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
operator <span class="kw4">void</span><span class="sy2">**</span><span class="br0">(</span><span class="br0">)</span> <span class="kw4">const</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
|
|
|
|
<span class="kw1">private</span><span class="sy4">:</span>
|
|
Smart<span class="sy3">&</span> s<span class="sy4">;</span> <span class="co1">// 仅用于阐释</span>
|
|
tuple<span class="sy1"><</span>Args...<span class="sy1">></span> a<span class="sy4">;</span> <span class="co1">// 仅用于阐释</span>
|
|
Pointer p<span class="sy4">;</span> <span class="co1">// 仅用于阐释</span>
|
|
<span class="br0">}</span><span class="sy4">;</span>
|
|
<span class="br0">}</span></pre></div>
|
|
</div>
|
|
</div>
|
|
<div class="visualClear"></div>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
</body>
|
|
</html>
|