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<table class="t-dcl-begin"><tbody>
<tr class="t-dsc-header">
<td> <div>Defined in header <code><a href="../header/experimental/memory_resource.html" title="cpp/header/experimental/memory resource"><experimental/memory_resource></a></code>
</div></td>
<td></td>
<td></td>
</tr>
<tr class="t-dcl t-since-libfund_ts">
<td> <div><span class="mw-geshi cpp source-cpp"><span class="kw1">template</span> <span class="sy1"><</span> <span class="kw1">class</span> Alloc <span class="sy1">></span><br />
<p><span class="kw1">class</span> resource_adaptor_imp <span class="sy4">:</span> <span class="kw1">public</span> memory_resource<span class="sy4">;</span> <span class="co1">// for exposition only</span><br />
<br />
<span class="kw1">template</span> <span class="sy1"><</span> <span class="kw1">class</span> Allocator <span class="sy1">></span><br />
<span class="kw1">using</span> resource_adaptor <span class="sy1">=</span> resource_adaptor_imp<span class="sy1"><</span><br />
                             <span class="kw1">typename</span> <a href="../memory/allocator_traits.html"><span class="kw602">std::<span class="me2">allocator_traits</span></span></a><span class="sy1"><</span>Allocator<span class="sy1">></span><span class="sy4">::</span><br />
</p>
                             <span class="kw1">template</span> rebind_alloc<span class="sy1"><</span><span class="kw4">char</span><span class="sy1">>></span><span class="sy4">;</span></span></div></td>
<td class="t-dcl-nopad"> </td>
<td> <span class="t-mark-rev t-since-libfund-ts t-mark-ts">(library fundamentals TS)</span> </td>
</tr>
<tr class="t-dcl-sep"><td></td><td></td><td></td></tr>
</tbody></table>
<p>The alias template <code>resource_adaptor</code> adapts the allocator type <code>Allocator</code> with a <code>memory_resource</code> interface. The allocator is rebound to a <code>char</code> value type before it is actually adapted (using the <i><code>resource_adaptor_imp</code></i> class template), so that adapting specializations of the same allocator template always yields the same type, regardless of the value type the allocator template is originally instantiated with.
</p><p><i><code>resource_adaptor_imp</code></i> is a class template whose members are described below. The name <i><code>resource_adaptor_imp</code></i> is for exposition purposes only and not normative.
</p><p>In addition to meeting the <a href="../concept/Allocator.html" title="cpp/concept/Allocator"><code>Allocator</code></a> requirements, <code>Allocator</code> must additionally satisfy the following requirements:
</p>
<ul><li> Its <code>pointer</code> shall be identical to <code>value_type*</code>.
</li><li> Its <code>const_pointer</code> shall be identical to <code>value_type const*</code>.
</li><li> Its <code>void_pointer</code> shall be identical to <code>void*</code>.
</li><li> Its <code>const_void_pointer</code> shall be identical to <code>void const*</code>.
</li></ul>
<h3><span class="editsection">[<a href="http://en.cppreference.com/mwiki/index.php?title=cpp/experimental/resource_adaptor&action=edit&section=1" title="Edit section: Member types of resource adaptor imp">edit</a>]</span> <span class="mw-headline" id="Member_types_of_resource_adaptor_imp"> Member types of <i>resource_adaptor_imp</i> </span></h3>
<table class="t-dsc-begin">
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<td> Member type
</td>
<td> Definition
</td></tr>
<tr class="t-dsc">
<td> <code>allocator_type</code>
</td>
<td> <code>Alloc</code>
</td></tr>
</table>
<h3><span class="editsection">[<a href="http://en.cppreference.com/mwiki/index.php?title=cpp/experimental/resource_adaptor&action=edit&section=2" title="Edit section: Member functions of resource adaptor imp">edit</a>]</span> <span class="mw-headline" id="Member_functions_of_resource_adaptor_imp"> Member functions of <i>resource_adaptor_imp</i> </span></h3>
<div class="t-member">
<h2><span style="font-size:0.7em; line-height:130%">std::experimental::pmr::<i>resource_adaptor_imp</i>::</span><i>resource_adaptor_imp</i>
</h2>
<table class="t-dcl-begin"><tbody>
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<td> <div><span class="mw-geshi cpp source-cpp">resource_adaptor_imp<span class="br0">(</span><span class="br0">)</span> <span class="sy1">=</span> <span class="kw1">default</span><span class="sy4">;</span></span></div></td>
<td> (1) </td>
<td> <span class="t-mark-rev t-since-libfund-ts t-mark-ts">(library fundamentals TS)</span> </td>
</tr>
<tr class="t-dcl t-since-libfund_ts">
<td> <div><span class="mw-geshi cpp source-cpp">resource_adaptor_imp<span class="br0">(</span><span class="kw4">const</span> resource_adaptor_imp<span class="sy3">&</span> other<span class="br0">)</span> <span class="sy1">=</span> <span class="kw1">default</span><span class="sy4">;</span></span></div></td>
<td> (2) </td>
<td> <span class="t-mark-rev t-since-libfund-ts t-mark-ts">(library fundamentals TS)</span> </td>
</tr>
<tr class="t-dcl t-since-libfund_ts">
<td> <div><span class="mw-geshi cpp source-cpp">resource_adaptor_imp<span class="br0">(</span>resource_adaptor_imp<span class="sy3">&&</span> other<span class="br0">)</span> <span class="sy1">=</span> <span class="kw1">default</span><span class="sy4">;</span></span></div></td>
<td> (3) </td>
<td> <span class="t-mark-rev t-since-libfund-ts t-mark-ts">(library fundamentals TS)</span> </td>
</tr>
<tr class="t-dcl t-since-libfund_ts">
<td> <div><span class="mw-geshi cpp source-cpp"><span class="kw1">explicit</span> resource_adaptor_imp<span class="br0">(</span><span class="kw4">const</span> Alloc<span class="sy3">&</span> a2<span class="br0">)</span><span class="sy4">;</span></span></div></td>
<td> (4) </td>
<td> <span class="t-mark-rev t-since-libfund-ts t-mark-ts">(library fundamentals TS)</span> </td>
</tr>
<tr class="t-dcl t-since-libfund_ts">
<td> <div><span class="mw-geshi cpp source-cpp"><span class="kw1">explicit</span> resource_adaptor_imp<span class="br0">(</span>Alloc<span class="sy3">&&</span> a2<span class="br0">)</span><span class="sy4">;</span></span></div></td>
<td> (5) </td>
<td> <span class="t-mark-rev t-since-libfund-ts t-mark-ts">(library fundamentals TS)</span> </td>
</tr>
<tr class="t-dcl-sep"><td></td><td></td><td></td></tr>
</tbody></table>
<div class="t-li1"><span class="t-li">1)</span> Default constructor. Default constructs the wrapped allocator.</div>
<div class="t-li1"><span class="t-li">2)</span> Copy constructor. Copy constructs the wrapped allocator from the allocator wrapped by <code>other</code>.</div>
<div class="t-li1"><span class="t-li">3)</span> Move constructor. Move constructs the wrapped allocator from the allocator wrapped by <code>other</code>.</div>
<div class="t-li1"><span class="t-li">4)</span> Initializes the wrapped allocator with <code>a2</code>.</div>
<div class="t-li1"><span class="t-li">5)</span> Initializes the wrapped allocator with <span class="t-c"><span class="mw-geshi cpp source-cpp">std<span class="sy4">::</span><span class="me2">move</span><span class="br0">(</span>a2<span class="br0">)</span></span></span>.</div>
<h4> <span class="mw-headline" id="Parameters">Parameters</span></h4>
<table class="t-par-begin">
<tr class="t-par">
<td> other
</td>
<td> -
</td>
<td> another <i><code>resource_adaptor_imp</code></i> object to copy or move from
</td></tr>
<tr class="t-par">
<td> a2
</td>
<td> -
</td>
<td> another <code>Alloc</code> object to copy or move from
</td></tr></table>
</div>
<div class="t-member">
<h2><span style="font-size:0.7em; line-height:130%">std::experimental::pmr::<i>resource_adaptor_imp</i>::</span>get_allocator
</h2>
<table class="t-dcl-begin"><tbody>
<tr class="t-dcl t-since-libfund_ts">
<td> <div><span class="mw-geshi cpp source-cpp">allocator_type get_allocator<span class="br0">(</span><span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span></span></div></td>
<td class="t-dcl-nopad"> </td>
<td> <span class="t-mark-rev t-since-libfund-ts t-mark-ts">(library fundamentals TS)</span> </td>
</tr>
<tr class="t-dcl-sep"><td></td><td></td><td></td></tr>
</tbody></table>
<p>Returns a copy of the wrapped allocator.
</p>
</div>
<div class="t-member">
<h2><span style="font-size:0.7em; line-height:130%">std::experimental::pmr::<i>resource_adaptor_imp</i>::</span>operator=
</h2>
<table class="t-dcl-begin"><tbody>
<tr class="t-dcl t-since-libfund_ts">
<td> <div><span class="mw-geshi cpp source-cpp">resource_adaptor_imp<span class="sy3">&</span> operator<span class="sy1">=</span><span class="br0">(</span><span class="kw4">const</span> resource_adaptor_imp<span class="sy3">&</span> other<span class="br0">)</span> <span class="sy1">=</span> <span class="kw1">default</span><span class="sy4">;</span></span></div></td>
<td class="t-dcl-nopad"> </td>
<td> <span class="t-mark-rev t-since-libfund-ts t-mark-ts">(library fundamentals TS)</span> </td>
</tr>
<tr class="t-dcl-sep"><td></td><td></td><td></td></tr>
</tbody></table>
<p>Defaulted copy assignment operator. Copy assigns the wrapped allocator from that of <code>other</code>.
</p>
</div>
<div class="t-member">
<h2><span style="font-size:0.7em; line-height:130%">std::experimental::pmr::<i>resource_adaptor_imp</i>::</span>do_allocate
</h2>
<table class="t-dcl-begin"><tbody>
<tr class="t-dcl t-since-libfund_ts">
<td> <div><span class="mw-geshi cpp source-cpp"><span class="kw1">virtual</span> <span class="kw4">void</span><span class="sy2">*</span> do_allocate<span class="br0">(</span><a href="../types/size_t.html"><span class="kw100">std::<span class="me2">size_t</span></span></a> bytes, <a href="../types/size_t.html"><span class="kw100">std::<span class="me2">size_t</span></span></a> alignment<span class="br0">)</span><span class="sy4">;</span></span></div></td>
<td class="t-dcl-nopad"> </td>
<td> <span class="t-mark-rev t-since-libfund-ts t-mark-ts">(library fundamentals TS)</span> </td>
</tr>
<tr class="t-dcl-sep"><td></td><td></td><td></td></tr>
</tbody></table>
<p>Allocates memory using the <code>allocate</code> member function of the wrapped allocator.
</p>
</div>
<div class="t-member">
<h2><span style="font-size:0.7em; line-height:130%">std::experimental::pmr::<i>resource_adaptor_imp</i>::</span>do_deallocate
</h2>
<table class="t-dcl-begin"><tbody>
<tr class="t-dcl t-since-libfund_ts">
<td> <div><span class="mw-geshi cpp source-cpp"><span class="kw1">virtual</span> <span class="kw4">void</span> do_deallocate<span class="br0">(</span><span class="kw4">void</span> <span class="sy2">*</span>p, <a href="../types/size_t.html"><span class="kw100">std::<span class="me2">size_t</span></span></a> bytes, <a href="../types/size_t.html"><span class="kw100">std::<span class="me2">size_t</span></span></a> alignment<span class="br0">)</span><span class="sy4">;</span></span></div></td>
<td class="t-dcl-nopad"> </td>
<td> <span class="t-mark-rev t-since-libfund-ts t-mark-ts">(library fundamentals TS)</span> </td>
</tr>
<tr class="t-dcl-sep"><td></td><td></td><td></td></tr>
</tbody></table>
<p>Deallocates the storage pointed to by <code>p</code> using the <code>deallocate</code> member function of the wrapped allocator. <code>p</code> must have been allocated using the <code>allocate</code> member function of an allocator that compares equal to the wrapped allocator, and must not have been subsequently deallocated.
</p>
</div>
<div class="t-member">
<h2><span style="font-size:0.7em; line-height:130%">std::experimental::pmr::<i>resource_adaptor_imp</i>::</span>do_is_equal
</h2>
<table class="t-dcl-begin"><tbody>
<tr class="t-dcl t-since-libfund_ts">
<td> <div><span class="mw-geshi cpp source-cpp"><span class="kw1">virtual</span> <span class="kw4">bool</span> do_is_equal<span class="br0">(</span><span class="kw4">const</span> memory_resource<span class="sy3">&</span> other<span class="br0">)</span><span class="sy4">;</span></span></div></td>
<td class="t-dcl-nopad"> </td>
<td> <span class="t-mark-rev t-since-libfund-ts t-mark-ts">(library fundamentals TS)</span> </td>
</tr>
<tr class="t-dcl-sep"><td></td><td></td><td></td></tr>
</tbody></table>
<p>Let <code>p</code> be <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw1">dynamic_cast</span><span class="sy1"><</span><span class="kw4">const</span> resource_adaptor_imp<span class="sy2">*</span><span class="sy1">></span><span class="br0">(</span><span class="sy3">&</span>other<span class="br0">)</span></span></span>. If <code>p</code> is <code>nullptr</code>, returns <code>false</code>. Otherwise, return the result of comparing the allocators wrapped by <code>*p</code> and <code>*this</code> using <code>operator==</code>.
</p><p><br />
</p>
</div>
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