84 lines
4.0 KiB
HTML
84 lines
4.0 KiB
HTML
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<title>std::scoped_allocator_adaptor<OuterAlloc,InnerAlloc...>::deallocate</title>
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<body class="mediawiki ltr sitedir-ltr ns-0 ns-subject page-cpp_memory_scoped_allocator_adaptor_deallocate skin-cppreference2 action-view cpp-navbar">
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<h1 id="firstHeading" class="firstHeading"><span style="font-size:0.7em; line-height:130%">std::scoped_allocator_adaptor<OuterAlloc,InnerAlloc...>::</span>deallocate</h1>
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<div id="contentSub"><span class="subpages">< <a href="cpp.html">cpp</a>‎ | <a href="cpp-memory.html">memory</a>‎ | <a href="cpp-memory-scoped_allocator_adaptor.html">scoped allocator adaptor</a></span></div>
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<div>定义于头文件 <code><a href="cpp-header-scoped_allocator.html"><scoped_allocator></a></code></div>
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<td></td>
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<div><span class="mw-geshi cpp source-cpp"><span class="kw4">void</span> deallocate<span class="br0">(</span> pointer p, size_type n <span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span></span></div>
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<td><span class="t-mark-rev t-since-cxx11">(C++11 起)</span></td>
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<p>用外层分配器解分配 <code>p</code> 所引用的存储，通过调用 <span class="t-c"><span class="mw-geshi cpp source-cpp"><a href="cpp-memory-allocator_traits.html"><span class="kw701">std::<span class="me2">allocator_traits</span></span></a><span class="sy1"><</span>OuterAlloc<span class="sy1">></span><span class="sy4">::</span><span class="me2">deallocate</span><span class="br0">(</span>outer_allocator<span class="br0">(</span><span class="br0">)</span>, p, n<span class="br0">)</span></span></span></p>
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<h3><span class="mw-headline" id=".E5.8F.82.E6.95.B0">参数</span></h3>
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<table class="t-par-begin">
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<td>p</td>
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<td>-</td>
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<td>指向先前分配的内存的指针</td>
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<tr class="t-par">
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<td>n</td>
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<td>-</td>
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<td>分配内存所用的对象数</td>
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<h3><span class="mw-headline" id=".E8.BF.94.E5.9B.9E.E5.80.BC">返回值</span></h3>
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<p>（无）</p>
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<h3><span class="mw-headline" id=".E5.8F.82.E9.98.85">参阅</span></h3>
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<div class="t-dsc-member-div">
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<div><a href="cpp-memory-allocator-deallocate.html"><span class="t-lines"><span>deallocate</span></span></a></div>
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</div>
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</td>
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<td>解分配存储<br />
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<span class="t-mark">(<code>std::allocator<T></code> 的公开成员函数)</span></td>
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<div class="t-dsc-member-div">
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<div><a href="cpp-memory-allocator_traits-deallocate.html"><span class="t-lines"><span>deallocate</span></span></a></div>
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<div><span class="t-lines"><span><span class="t-cmark">[静态]</span></span></span></div>
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</div>
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</td>
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<td>用分配器解分配存储<br />
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<span class="t-mark">(<code>std::allocator_traits<Alloc></code> 的公开静态成员函数)</span></td>
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