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<div class="titlepage"><div><div><h3 class="title">
<a name="asio.reference.recycling_allocator"></a><a class="link" href="recycling_allocator.html" title="recycling_allocator">recycling_allocator</a>
</h3></div></div></div>
<p>
<a class="indexterm" name="asio.indexterm.recycling_allocator"></a>
</p>
<p>
An allocator that caches memory blocks in thread-local storage for reuse.
</p>
<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span>
<span class="keyword">typename</span> <span class="identifier">T</span><span class="special">&gt;</span>
<span class="keyword">class</span> <span class="identifier">recycling_allocator</span>
</pre>
<h5>
<a name="asio.reference.recycling_allocator.h0"></a>
<span><a name="asio.reference.recycling_allocator.types"></a></span><a class="link" href="recycling_allocator.html#asio.reference.recycling_allocator.types">Types</a>
</h5>
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Name
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Description
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<p>
<a class="link" href="recycling_allocator__rebind.html" title="recycling_allocator::rebind"><span class="bold"><strong>rebind</strong></span></a>
</p>
</td>
<td>
<p>
Rebind the allocator to another value_type.
</p>
</td>
</tr>
<tr>
<td>
<p>
<a class="link" href="recycling_allocator/value_type.html" title="recycling_allocator::value_type"><span class="bold"><strong>value_type</strong></span></a>
</p>
</td>
<td>
<p>
The type of object allocated by the recycling allocator.
</p>
</td>
</tr>
</tbody>
</table></div>
<h5>
<a name="asio.reference.recycling_allocator.h1"></a>
<span><a name="asio.reference.recycling_allocator.member_functions"></a></span><a class="link" href="recycling_allocator.html#asio.reference.recycling_allocator.member_functions">Member
Functions</a>
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Description
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<p>
<a class="link" href="recycling_allocator/allocate.html" title="recycling_allocator::allocate"><span class="bold"><strong>allocate</strong></span></a>
</p>
</td>
<td>
<p>
Allocate memory for the specified number of values.
</p>
</td>
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<td>
<p>
<a class="link" href="recycling_allocator/deallocate.html" title="recycling_allocator::deallocate"><span class="bold"><strong>deallocate</strong></span></a>
</p>
</td>
<td>
<p>
Deallocate memory for the specified number of values.
</p>
</td>
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<td>
<p>
<a class="link" href="recycling_allocator/operator_not__eq_.html" title="recycling_allocator::operator!="><span class="bold"><strong>operator!=</strong></span></a>
</p>
</td>
<td>
<p>
Inequality operator. Always returns false.
</p>
</td>
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<p>
<a class="link" href="recycling_allocator/operator_eq__eq_.html" title="recycling_allocator::operator=="><span class="bold"><strong>operator==</strong></span></a>
</p>
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<td>
<p>
Equality operator. Always returns true.
</p>
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<p>
<a class="link" href="recycling_allocator/recycling_allocator.html" title="recycling_allocator::recycling_allocator"><span class="bold"><strong>recycling_allocator</strong></span></a> <span class="silver">[constructor]</span>
</p>
</td>
<td>
<p>
Default constructor. <br> <span class="silver"> —</span><br> Converting constructor.
</p>
</td>
</tr>
</tbody>
</table></div>
<p>
The uses a simple strategy where a limited number of small memory blocks
are cached in thread-local storage, if the current thread is running an
<code class="computeroutput"><span class="identifier">io_context</span></code> or is part of
a <code class="computeroutput"><span class="identifier">thread_pool</span></code>.
</p>
<h5>
<a name="asio.reference.recycling_allocator.h2"></a>
<span><a name="asio.reference.recycling_allocator.requirements"></a></span><a class="link" href="recycling_allocator.html#asio.reference.recycling_allocator.requirements">Requirements</a>
</h5>
<p>
<span class="emphasis"><em>Header: </em></span><code class="literal">asio/recycling_allocator.hpp</code>
</p>
<p>
<span class="emphasis"><em>Convenience header: </em></span><code class="literal">asio.hpp</code>
</p>
</div>
<div class="copyright-footer">Copyright © 2003-2023 Christopher M. Kohlhoff<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
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