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<div class="title">allocator_adapter< RawAllocator > Class Template Reference<div class="ingroups"><a class="el" href="group__storage.html">Allocator storage</a></div></div> </div>
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<div class="textblock"><h3>template<class RawAllocator><br />
class foonathan::memory::allocator_adapter< RawAllocator ></h3>
<p>An alias template for <a class="el" href="classfoonathan_1_1memory_1_1allocator__storage.html">allocator_storage</a> using the <a class="el" href="classfoonathan_1_1memory_1_1direct__storage.html">direct_storage</a> policy without a mutex. </p>
<p>It has the effect of giving any <a href="md_doc_concepts.html#concept_rawallocator">RawAllocator</a> the interface with all member functions, avoiding the need to wrap it inside the <a class="el" href="classfoonathan_1_1memory_1_1allocator__traits.html">allocator_traits</a>. </p>
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Typedefs</h2></td></tr>
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using </td><td class="memItemRight" valign="bottom"><b>allocator_type</b> = typename StoragePolicy::allocator_type</td></tr>
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using </td><td class="memItemRight" valign="bottom"><b>storage_policy</b> = <a class="el" href="classfoonathan_1_1memory_1_1direct__storage.html">direct_storage</a>< RawAllocator ></td></tr>
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using </td><td class="memItemRight" valign="bottom"><b>mutex</b> = <a class="el" href="structfoonathan_1_1memory_1_1no__mutex.html">no_mutex</a></td></tr>
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using </td><td class="memItemRight" valign="bottom"><b>is_stateful</b> = typename traits::is_stateful</td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Member Functions</h2></td></tr>
<tr class="memitem:ac9c64316bb7697bc5b3cc48328369218"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classfoonathan_1_1memory_1_1allocator__storage.html#ac9c64316bb7697bc5b3cc48328369218">is_composable</a> () const noexcept</td></tr>
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<tr class="memitem:aa0774f4f3278b78aab48272657c8da07"><td class="memItemLeft" align="right" valign="top">void * </td><td class="memItemRight" valign="bottom"><a class="el" href="classfoonathan_1_1memory_1_1allocator__storage.html#aa0774f4f3278b78aab48272657c8da07">allocate_node</a> (std::size_t size, std::size_t alignment)</td></tr>
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<tr class="memitem:a715b1b18b6b22f38918a3b9c9a9fae0b"><td class="memItemLeft" align="right" valign="top">void * </td><td class="memItemRight" valign="bottom"><a class="el" href="classfoonathan_1_1memory_1_1allocator__storage.html#a715b1b18b6b22f38918a3b9c9a9fae0b">allocate_array</a> (std::size_t count, std::size_t size, std::size_t alignment)</td></tr>
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<tr class="memitem:af39c4c8201ed3a86738d5571239e19db"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classfoonathan_1_1memory_1_1allocator__storage.html#af39c4c8201ed3a86738d5571239e19db">deallocate_node</a> (void *ptr, std::size_t size, std::size_t alignment) noexcept</td></tr>
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<tr class="memitem:a7f89da0a2dbd6ad5089178c828bb95df"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classfoonathan_1_1memory_1_1allocator__storage.html#a7f89da0a2dbd6ad5089178c828bb95df">deallocate_array</a> (void *ptr, std::size_t count, std::size_t size, std::size_t alignment) noexcept</td></tr>
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<tr class="memitem:a64caa0912affaefd4778635a8a76294c"><td class="memItemLeft" align="right" valign="top">std::size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="classfoonathan_1_1memory_1_1allocator__storage.html#a64caa0912affaefd4778635a8a76294c">max_node_size</a> () const</td></tr>
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<tr class="memitem:a62f877acb00d33a3725a41c767152a5c"><td class="memItemLeft" align="right" valign="top">std::size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="classfoonathan_1_1memory_1_1allocator__storage.html#a62f877acb00d33a3725a41c767152a5c">max_array_size</a> () const</td></tr>
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<tr class="memitem:a43e724b99fe1eb9b9a986a993da27b3b"><td class="memItemLeft" align="right" valign="top">std::size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="classfoonathan_1_1memory_1_1allocator__storage.html#a43e724b99fe1eb9b9a986a993da27b3b">max_alignment</a> () const</td></tr>
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<tr class="memitem:a592316c791828db1554c8152dbb512e0"><td class="memItemLeft" align="right" valign="top">void * </td><td class="memItemRight" valign="bottom"><a class="el" href="classfoonathan_1_1memory_1_1allocator__storage.html#a592316c791828db1554c8152dbb512e0">try_allocate_node</a> (std::size_t size, std::size_t alignment) noexcept</td></tr>
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<tr class="memitem:ae1db4f3c7901fb7654a12b28704337d2"><td class="memItemLeft" align="right" valign="top">void * </td><td class="memItemRight" valign="bottom"><a class="el" href="classfoonathan_1_1memory_1_1allocator__storage.html#ae1db4f3c7901fb7654a12b28704337d2">try_allocate_array</a> (std::size_t count, std::size_t size, std::size_t alignment) noexcept</td></tr>
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<tr class="memitem:ae6c9e0f5870c99a1accc9f3584b5204e"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classfoonathan_1_1memory_1_1allocator__storage.html#ae6c9e0f5870c99a1accc9f3584b5204e">try_deallocate_node</a> (void *ptr, std::size_t size, std::size_t alignment) noexcept</td></tr>
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<tr class="memitem:a351b4f545a9cd775cee55a641ed41487"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classfoonathan_1_1memory_1_1allocator__storage.html#a351b4f545a9cd775cee55a641ed41487">try_deallocate_array</a> (void *ptr, std::size_t count, std::size_t size, std::size_t alignment) noexcept</td></tr>
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<tr class="memitem:ad0e22f6844a93ca183a896dc1e863a50"><td class="memItemLeft" align="right" valign="top">auto </td><td class="memItemRight" valign="bottom"><a class="el" href="classfoonathan_1_1memory_1_1allocator__storage.html#ad0e22f6844a93ca183a896dc1e863a50">get_allocator</a> () noexcept -> decltype(std::declval< <a class="el" href="classfoonathan_1_1memory_1_1direct__storage.html">storage_policy</a> >().get_allocator())</td></tr>
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<tr class="memitem:a41a06e20d6de45e38d0ba1b5530e39be"><td class="memItemLeft" align="right" valign="top">auto </td><td class="memItemRight" valign="bottom"><a class="el" href="classfoonathan_1_1memory_1_1allocator__storage.html#a41a06e20d6de45e38d0ba1b5530e39be">get_allocator</a> () const noexcept -> decltype(std::declval< const <a class="el" href="classfoonathan_1_1memory_1_1direct__storage.html">storage_policy</a> >().get_allocator())</td></tr>
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<tr class="memitem:a70340fa1e8b36309bab2e07a334c35d7"><td class="memItemLeft" align="right" valign="top">auto </td><td class="memItemRight" valign="bottom"><a class="el" href="classfoonathan_1_1memory_1_1allocator__storage.html#a70340fa1e8b36309bab2e07a334c35d7">lock</a> () noexcept -> FOONATHAN_IMPL_DEFINED(decltype(detail::lock_allocator(std::declval< <a class="el" href="classfoonathan_1_1memory_1_1direct__storage.html">storage_policy</a> >().<a class="el" href="classfoonathan_1_1memory_1_1allocator__storage.html#ad0e22f6844a93ca183a896dc1e863a50">get_allocator</a>(), std::declval< actual_mutex & >())))</td></tr>
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<tr class="memitem:af9b6521dd63f476505204524cec626ce"><td class="memItemLeft" align="right" valign="top">auto </td><td class="memItemRight" valign="bottom"><a class="el" href="classfoonathan_1_1memory_1_1allocator__storage.html#af9b6521dd63f476505204524cec626ce">lock</a> () const noexcept -> FOONATHAN_IMPL_DEFINED(decltype(detail::lock_allocator(std::declval< const <a class="el" href="classfoonathan_1_1memory_1_1direct__storage.html">storage_policy</a> >().<a class="el" href="classfoonathan_1_1memory_1_1allocator__storage.html#ad0e22f6844a93ca183a896dc1e863a50">get_allocator</a>(), std::declval< actual_mutex & >())))</td></tr>
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<tr class="memitem:aa0774f4f3278b78aab48272657c8da07"><td class="memItemLeft" align="right" valign="top">void * </td><td class="memItemRight" valign="bottom"><a class="el" href="classfoonathan_1_1memory_1_1allocator__storage.html#aa0774f4f3278b78aab48272657c8da07">allocate_node</a> (std::size_t size, std::size_t alignment)</td></tr>
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<tr class="memitem:a715b1b18b6b22f38918a3b9c9a9fae0b"><td class="memItemLeft" align="right" valign="top">void * </td><td class="memItemRight" valign="bottom"><a class="el" href="classfoonathan_1_1memory_1_1allocator__storage.html#a715b1b18b6b22f38918a3b9c9a9fae0b">allocate_array</a> (std::size_t count, std::size_t size, std::size_t alignment)</td></tr>
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<tr class="memitem:af39c4c8201ed3a86738d5571239e19db"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classfoonathan_1_1memory_1_1allocator__storage.html#af39c4c8201ed3a86738d5571239e19db">deallocate_node</a> (void *ptr, std::size_t size, std::size_t alignment) noexcept</td></tr>
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<tr class="memitem:a7f89da0a2dbd6ad5089178c828bb95df"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classfoonathan_1_1memory_1_1allocator__storage.html#a7f89da0a2dbd6ad5089178c828bb95df">deallocate_array</a> (void *ptr, std::size_t count, std::size_t size, std::size_t alignment) noexcept</td></tr>
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<tr class="memitem:a64caa0912affaefd4778635a8a76294c"><td class="memItemLeft" align="right" valign="top">std::size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="classfoonathan_1_1memory_1_1allocator__storage.html#a64caa0912affaefd4778635a8a76294c">max_node_size</a> () const</td></tr>
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<tr class="memitem:a62f877acb00d33a3725a41c767152a5c"><td class="memItemLeft" align="right" valign="top">std::size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="classfoonathan_1_1memory_1_1allocator__storage.html#a62f877acb00d33a3725a41c767152a5c">max_array_size</a> () const</td></tr>
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<tr class="memitem:a43e724b99fe1eb9b9a986a993da27b3b"><td class="memItemLeft" align="right" valign="top">std::size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="classfoonathan_1_1memory_1_1allocator__storage.html#a43e724b99fe1eb9b9a986a993da27b3b">max_alignment</a> () const</td></tr>
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<tr class="memitem:a592316c791828db1554c8152dbb512e0"><td class="memItemLeft" align="right" valign="top">void * </td><td class="memItemRight" valign="bottom"><a class="el" href="classfoonathan_1_1memory_1_1allocator__storage.html#a592316c791828db1554c8152dbb512e0">try_allocate_node</a> (std::size_t size, std::size_t alignment) noexcept</td></tr>
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<tr class="memitem:ae1db4f3c7901fb7654a12b28704337d2"><td class="memItemLeft" align="right" valign="top">void * </td><td class="memItemRight" valign="bottom"><a class="el" href="classfoonathan_1_1memory_1_1allocator__storage.html#ae1db4f3c7901fb7654a12b28704337d2">try_allocate_array</a> (std::size_t count, std::size_t size, std::size_t alignment) noexcept</td></tr>
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<tr class="memitem:ae6c9e0f5870c99a1accc9f3584b5204e"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classfoonathan_1_1memory_1_1allocator__storage.html#ae6c9e0f5870c99a1accc9f3584b5204e">try_deallocate_node</a> (void *ptr, std::size_t size, std::size_t alignment) noexcept</td></tr>
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<tr class="memitem:a351b4f545a9cd775cee55a641ed41487"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classfoonathan_1_1memory_1_1allocator__storage.html#a351b4f545a9cd775cee55a641ed41487">try_deallocate_array</a> (void *ptr, std::size_t count, std::size_t size, std::size_t alignment) noexcept</td></tr>
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<tr class="memitem:ad0e22f6844a93ca183a896dc1e863a50"><td class="memItemLeft" align="right" valign="top">auto </td><td class="memItemRight" valign="bottom"><a class="el" href="classfoonathan_1_1memory_1_1allocator__storage.html#ad0e22f6844a93ca183a896dc1e863a50">get_allocator</a> () noexcept -> decltype(std::declval< <a class="el" href="classfoonathan_1_1memory_1_1direct__storage.html">storage_policy</a> >().get_allocator())</td></tr>
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<tr class="memitem:a41a06e20d6de45e38d0ba1b5530e39be"><td class="memItemLeft" align="right" valign="top">auto </td><td class="memItemRight" valign="bottom"><a class="el" href="classfoonathan_1_1memory_1_1allocator__storage.html#a41a06e20d6de45e38d0ba1b5530e39be">get_allocator</a> () const noexcept -> decltype(std::declval< const <a class="el" href="classfoonathan_1_1memory_1_1direct__storage.html">storage_policy</a> >().get_allocator())</td></tr>
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<tr class="memitem:a70340fa1e8b36309bab2e07a334c35d7"><td class="memItemLeft" align="right" valign="top">auto </td><td class="memItemRight" valign="bottom"><a class="el" href="classfoonathan_1_1memory_1_1allocator__storage.html#a70340fa1e8b36309bab2e07a334c35d7">lock</a> () noexcept -> FOONATHAN_IMPL_DEFINED(decltype(detail::lock_allocator(std::declval< <a class="el" href="classfoonathan_1_1memory_1_1direct__storage.html">storage_policy</a> >().<a class="el" href="classfoonathan_1_1memory_1_1allocator__storage.html#ad0e22f6844a93ca183a896dc1e863a50">get_allocator</a>(), std::declval< actual_mutex & >())))</td></tr>
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<tr class="memitem:af9b6521dd63f476505204524cec626ce"><td class="memItemLeft" align="right" valign="top">auto </td><td class="memItemRight" valign="bottom"><a class="el" href="classfoonathan_1_1memory_1_1allocator__storage.html#af9b6521dd63f476505204524cec626ce">lock</a> () const noexcept -> FOONATHAN_IMPL_DEFINED(decltype(detail::lock_allocator(std::declval< const <a class="el" href="classfoonathan_1_1memory_1_1direct__storage.html">storage_policy</a> >().<a class="el" href="classfoonathan_1_1memory_1_1allocator__storage.html#ad0e22f6844a93ca183a896dc1e863a50">get_allocator</a>(), std::declval< actual_mutex & >())))</td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="related"></a>
Related Functions</h2></td></tr>
<tr class="memitem:aa5a54dd2f73b0157da83742c212599a2"><td class="memTemplParams" colspan="2">template<class RawAllocator > </td></tr>
<tr class="memitem:aa5a54dd2f73b0157da83742c212599a2"><td class="memTemplItemLeft" align="right" valign="top">auto </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="classfoonathan_1_1memory_1_1allocator__adapter.html#aa5a54dd2f73b0157da83742c212599a2">make_allocator_adapter</a> (RawAllocator &&allocator) noexcept -> <a class="el" href="classfoonathan_1_1memory_1_1allocator__adapter.html">allocator_adapter</a>< typename std::decay< RawAllocator >::type ></td></tr>
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<h2 class="groupheader">Member Functions</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#aa0774f4f3278b78aab48272657c8da07">◆ </a></span>allocate_node()</h2>
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<td class="memname">void* allocate_node </td>
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<td class="paramtype">std::size_t </td>
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<dl class="section user"><dt>Effects:</dt><dd>Calls the function on the stored allocator. The <code>Mutex</code> will be locked during the operation. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#a715b1b18b6b22f38918a3b9c9a9fae0b">◆ </a></span>allocate_array()</h2>
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<td class="memname">void* allocate_array </td>
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<td class="paramtype">std::size_t </td>
<td class="paramname"><em>size</em>, </td>
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<td class="paramtype">std::size_t </td>
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<dl class="section user"><dt>Effects:</dt><dd>Calls the function on the stored allocator. The <code>Mutex</code> will be locked during the operation. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#af39c4c8201ed3a86738d5571239e19db">◆ </a></span>deallocate_node()</h2>
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<td class="memname">void deallocate_node </td>
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<td class="paramtype">std::size_t </td>
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<dl class="section user"><dt>Effects:</dt><dd>Calls the function on the stored allocator. The <code>Mutex</code> will be locked during the operation. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#a7f89da0a2dbd6ad5089178c828bb95df">◆ </a></span>deallocate_array()</h2>
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<td class="memname">void deallocate_array </td>
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<td class="paramtype">std::size_t </td>
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<dl class="section user"><dt>Effects:</dt><dd>Calls the function on the stored allocator. The <code>Mutex</code> will be locked during the operation. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#a64caa0912affaefd4778635a8a76294c">◆ </a></span>max_node_size()</h2>
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<td class="memname">std::size_t max_node_size</td>
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<dl class="section user"><dt>Effects:</dt><dd>Calls the function on the stored allocator. The <code>Mutex</code> will be locked during the operation. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#a62f877acb00d33a3725a41c767152a5c">◆ </a></span>max_array_size()</h2>
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<dl class="section user"><dt>Effects:</dt><dd>Calls the function on the stored allocator. The <code>Mutex</code> will be locked during the operation. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#a43e724b99fe1eb9b9a986a993da27b3b">◆ </a></span>max_alignment()</h2>
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<dl class="section user"><dt>Effects:</dt><dd>Calls the function on the stored allocator. The <code>Mutex</code> will be locked during the operation. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#a592316c791828db1554c8152dbb512e0">◆ </a></span>try_allocate_node()</h2>
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<td class="memname">void* try_allocate_node </td>
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<td class="paramtype">std::size_t </td>
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<td class="paramtype">std::size_t </td>
<td class="paramname"><em>alignment</em> </td>
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<dl class="section user"><dt>Effects:</dt><dd>Calls the function on the stored composable allocator. The <code>Mutex</code> will be locked during the operation. </dd></dl>
<dl class="section user"><dt>Requires:</dt><dd>The allocator must be composable, i.e. <a class="el" href="classfoonathan_1_1memory_1_1allocator__storage.html#ac9c64316bb7697bc5b3cc48328369218">is_composable()</a> must return <code>true</code>. </dd></dl>
<dl class="section note"><dt>Note</dt><dd>This check is done at compile-time where possible, and at runtime in the case of type-erased storage. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#ae1db4f3c7901fb7654a12b28704337d2">◆ </a></span>try_allocate_array()</h2>
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<td class="memname">void* try_allocate_array </td>
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<td class="paramtype">std::size_t </td>
<td class="paramname"><em>count</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">std::size_t </td>
<td class="paramname"><em>size</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">std::size_t </td>
<td class="paramname"><em>alignment</em> </td>
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<dl class="section user"><dt>Effects:</dt><dd>Calls the function on the stored composable allocator. The <code>Mutex</code> will be locked during the operation. </dd></dl>
<dl class="section user"><dt>Requires:</dt><dd>The allocator must be composable, i.e. <a class="el" href="classfoonathan_1_1memory_1_1allocator__storage.html#ac9c64316bb7697bc5b3cc48328369218">is_composable()</a> must return <code>true</code>. </dd></dl>
<dl class="section note"><dt>Note</dt><dd>This check is done at compile-time where possible, and at runtime in the case of type-erased storage. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#ae6c9e0f5870c99a1accc9f3584b5204e">◆ </a></span>try_deallocate_node()</h2>
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<td class="paramtype">void * </td>
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<td class="paramkey"></td>
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<td class="paramname"><em>size</em>, </td>
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<td class="paramtype">std::size_t </td>
<td class="paramname"><em>alignment</em> </td>
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<dl class="section user"><dt>Effects:</dt><dd>Calls the function on the stored composable allocator. The <code>Mutex</code> will be locked during the operation. </dd></dl>
<dl class="section user"><dt>Requires:</dt><dd>The allocator must be composable, i.e. <a class="el" href="classfoonathan_1_1memory_1_1allocator__storage.html#ac9c64316bb7697bc5b3cc48328369218">is_composable()</a> must return <code>true</code>. </dd></dl>
<dl class="section note"><dt>Note</dt><dd>This check is done at compile-time where possible, and at runtime in the case of type-erased storage. </dd></dl>
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<a id="a351b4f545a9cd775cee55a641ed41487"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a351b4f545a9cd775cee55a641ed41487">◆ </a></span>try_deallocate_array()</h2>
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<td class="paramname"><em>count</em>, </td>
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<td class="paramname"><em>size</em>, </td>
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<td class="paramtype">std::size_t </td>
<td class="paramname"><em>alignment</em> </td>
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<dl class="section user"><dt>Effects:</dt><dd>Calls the function on the stored composable allocator. The <code>Mutex</code> will be locked during the operation. </dd></dl>
<dl class="section user"><dt>Requires:</dt><dd>The allocator must be composable, i.e. <a class="el" href="classfoonathan_1_1memory_1_1allocator__storage.html#ac9c64316bb7697bc5b3cc48328369218">is_composable()</a> must return <code>true</code>. </dd></dl>
<dl class="section note"><dt>Note</dt><dd>This check is done at compile-time where possible, and at runtime in the case of type-erased storage. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#ad0e22f6844a93ca183a896dc1e863a50">◆ </a></span>get_allocator() <span class="overload">[1/2]</span></h2>
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<dl class="section user"><dt>Effects:</dt><dd>Forwards to the <code>StoragePolicy</code>. </dd></dl>
<dl class="section user"><dt>Returns:</dt><dd>Returns a reference to the stored allocator. </dd></dl>
<dl class="section note"><dt>Note</dt><dd>This does not lock the <code>Mutex</code>. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#a41a06e20d6de45e38d0ba1b5530e39be">◆ </a></span>get_allocator() <span class="overload">[2/2]</span></h2>
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<dl class="section user"><dt>Effects:</dt><dd>Forwards to the <code>StoragePolicy</code>. </dd></dl>
<dl class="section user"><dt>Returns:</dt><dd>Returns a reference to the stored allocator. </dd></dl>
<dl class="section note"><dt>Note</dt><dd>This does not lock the <code>Mutex</code>. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#a70340fa1e8b36309bab2e07a334c35d7">◆ </a></span>lock() <span class="overload">[1/2]</span></h2>
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<dl class="section user"><dt>Returns:</dt><dd>A proxy object that acts like a pointer to the stored allocator. It cannot be reassigned to point to another allocator object and only moving is supported, which is destructive. As long as the proxy object lives and is not moved from, the <code>Mutex</code> will be kept locked. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#af9b6521dd63f476505204524cec626ce">◆ </a></span>lock() <span class="overload">[2/2]</span></h2>
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<dl class="section user"><dt>Returns:</dt><dd>A proxy object that acts like a pointer to the stored allocator. It cannot be reassigned to point to another allocator object and only moving is supported, which is destructive. As long as the proxy object lives and is not moved from, the <code>Mutex</code> will be kept locked. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#ac9c64316bb7697bc5b3cc48328369218">◆ </a></span>is_composable()</h2>
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<dl class="section user"><dt>Returns:</dt><dd>Whether or not the stored allocator is composable, that is you can use the compositioning functions. </dd></dl>
<dl class="section note"><dt>Note</dt><dd>Due to type-erased allocators, this function can not be <code>constexpr</code>. </dd></dl>
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<h2 class="groupheader">Related Functions</h2>
<a id="aa5a54dd2f73b0157da83742c212599a2"></a>
<h2 class="memtitle"><span class="permalink"><a href="#aa5a54dd2f73b0157da83742c212599a2">◆ </a></span>make_allocator_adapter()</h2>
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<td class="memname">auto make_allocator_adapter </td>
<td>(</td>
<td class="paramtype">RawAllocator && </td>
<td class="paramname"><em>allocator</em></td><td>)</td>
<td> -> <a class="el" href="classfoonathan_1_1memory_1_1allocator__adapter.html">allocator_adapter</a><typename std::decay<RawAllocator>::type>
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<dl class="section user"><dt>Returns:</dt><dd>A new <a class="el" href="classfoonathan_1_1memory_1_1allocator__adapter.html">allocator_adapter</a> object created by forwarding to the constructor. </dd></dl>
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