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<div class="title">binary_segregator&lt; Segregatable, RawAllocator &gt; Class Template Reference<div class="ingroups"><a class="el" href="group__adapter.html">Adapters and Wrappers</a></div></div>  </div>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><h3>template&lt;class Segregatable, class RawAllocator&gt;<br />
class foonathan::memory::binary_segregator&lt; Segregatable, RawAllocator &gt;</h3>

<p>A <a href="md_doc_concepts.html#concept_rawallocator">RawAllocator</a> that either uses the <a href="md_doc_concepts.html#concept_segregatable">Segregatable</a> or the other <code>RawAllocator</code>. </p>
<p>It is a faster alternative to <a class="el" href="classfoonathan_1_1memory_1_1fallback__allocator.html">fallback_allocator</a> that doesn't require a composable allocator and decides about the allocator to use purely with the <code>Segregatable</code> based on size and alignment. </p>
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Typedefs</h2></td></tr>
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using&#160;</td><td class="memItemRight" valign="bottom"><b>segregatable</b> = Segregatable</td></tr>
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using&#160;</td><td class="memItemRight" valign="bottom"><b>segregatable_allocator_type</b> = typename segregatable::allocator_type</td></tr>
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using&#160;</td><td class="memItemRight" valign="bottom"><b>fallback_allocator_type</b> = typename <a class="el" href="classfoonathan_1_1memory_1_1allocator__traits.html">allocator_traits</a>&lt; RawAllocator &gt;::allocator_type</td></tr>
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Member Functions</h2></td></tr>
<tr class="memitem:a2715ffb6463360dc6782635fdfdd2a05"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classfoonathan_1_1memory_1_1binary__segregator.html#a2715ffb6463360dc6782635fdfdd2a05">binary_segregator</a> (segregatable s, fallback_allocator_type fallback=fallback_allocator_type())</td></tr>
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<tr class="memitem:aa0774f4f3278b78aab48272657c8da07"><td class="memItemLeft" align="right" valign="top">void *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classfoonathan_1_1memory_1_1binary__segregator.html#aa0774f4f3278b78aab48272657c8da07">allocate_node</a> (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&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classfoonathan_1_1memory_1_1binary__segregator.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:a715b1b18b6b22f38918a3b9c9a9fae0b"><td class="memItemLeft" align="right" valign="top">void *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classfoonathan_1_1memory_1_1binary__segregator.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:a5a4cc79998bac88a47d12483b7083b48"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classfoonathan_1_1memory_1_1binary__segregator.html#a5a4cc79998bac88a47d12483b7083b48">deallocate_array</a> (void *array, 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&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classfoonathan_1_1memory_1_1binary__segregator.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&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classfoonathan_1_1memory_1_1binary__segregator.html#a62f877acb00d33a3725a41c767152a5c">max_array_size</a> () const</td></tr>
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<tr class="memitem:a10c127667a4f270ab6a2c88914fa3141"><td class="memItemLeft" align="right" valign="top">std::size_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classfoonathan_1_1memory_1_1binary__segregator.html#a10c127667a4f270ab6a2c88914fa3141">max_alignemnt</a> () const</td></tr>
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<tr class="memitem:a77b115fa35a386d35d97919074042618"><td class="memItemLeft" align="right" valign="top">segregatable_allocator_type &amp;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classfoonathan_1_1memory_1_1binary__segregator.html#a77b115fa35a386d35d97919074042618">get_segregatable_allocator</a> () noexcept</td></tr>
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<tr class="memitem:ad7cc8f5f9aec195d1b4c4352907d9103"><td class="memItemLeft" align="right" valign="top">const segregatable_allocator_type &amp;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classfoonathan_1_1memory_1_1binary__segregator.html#ad7cc8f5f9aec195d1b4c4352907d9103">get_segregatable_allocator</a> () const noexcept</td></tr>
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<tr class="memitem:a534db886b34ee9d86b6b9c0c2a520e49"><td class="memItemLeft" align="right" valign="top">fallback_allocator_type &amp;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classfoonathan_1_1memory_1_1binary__segregator.html#a534db886b34ee9d86b6b9c0c2a520e49">get_fallback_allocator</a> () noexcept</td></tr>
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<tr class="memitem:abe5d80d5656165acb6f2eec7cbbbd24b"><td class="memItemLeft" align="right" valign="top">const fallback_allocator_type &amp;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classfoonathan_1_1memory_1_1binary__segregator.html#abe5d80d5656165acb6f2eec7cbbbd24b">get_fallback_allocator</a> () const noexcept</td></tr>
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<h2 class="groupheader">Constructors</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a2715ffb6463360dc6782635fdfdd2a05">&#9670;&nbsp;</a></span>binary_segregator()</h2>

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          <td class="memname"><a class="el" href="classfoonathan_1_1memory_1_1binary__segregator.html">binary_segregator</a> </td>
          <td>(</td>
          <td class="paramtype">segregatable&#160;</td>
          <td class="paramname"><em>s</em>, </td>
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          <td class="paramkey"></td>
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          <td class="paramtype">fallback_allocator_type&#160;</td>
          <td class="paramname"><em>fallback</em> = <code>fallback_allocator_type()</code>&#160;</td>
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<dl class="section user"><dt>Effects:</dt><dd>Creates it by giving the <a href="md_doc_concepts.html#concept_segregatable">Segregatable</a> and the <a href="md_doc_concepts.html#concept_rawallocator">RawAllocator</a>. </dd></dl>

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<h2 class="groupheader">Member Functions</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#aa0774f4f3278b78aab48272657c8da07">&#9670;&nbsp;</a></span>allocate_node()</h2>

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          <td class="memname">void* allocate_node </td>
          <td>(</td>
          <td class="paramtype">std::size_t&#160;</td>
          <td class="paramname"><em>size</em>, </td>
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          <td class="paramkey"></td>
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          <td class="paramtype">std::size_t&#160;</td>
          <td class="paramname"><em>alignment</em>&#160;</td>
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          <td>)</td>
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<dl class="section user"><dt>Effects:</dt><dd>Uses the <a href="md_doc_concepts.html#concept_segregatable">Segregatable</a> to decide which allocator to use. Then forwards to the chosen allocator. </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#af39c4c8201ed3a86738d5571239e19db">&#9670;&nbsp;</a></span>deallocate_node()</h2>

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          <td class="memname">void deallocate_node </td>
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          <td class="paramtype">void *&#160;</td>
          <td class="paramname"><em>ptr</em>, </td>
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          <td class="paramkey"></td>
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          <td class="paramtype">std::size_t&#160;</td>
          <td class="paramname"><em>size</em>, </td>
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          <td class="paramkey"></td>
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          <td class="paramtype">std::size_t&#160;</td>
          <td class="paramname"><em>alignment</em>&#160;</td>
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          <td>)</td>
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<dl class="section user"><dt>Effects:</dt><dd>Uses the <a href="md_doc_concepts.html#concept_segregatable">Segregatable</a> to decide which allocator to use. Then forwards to the chosen allocator. </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#a715b1b18b6b22f38918a3b9c9a9fae0b">&#9670;&nbsp;</a></span>allocate_array()</h2>

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          <td class="memname">void* allocate_array </td>
          <td>(</td>
          <td class="paramtype">std::size_t&#160;</td>
          <td class="paramname"><em>count</em>, </td>
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          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">std::size_t&#160;</td>
          <td class="paramname"><em>size</em>, </td>
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          <td class="paramkey"></td>
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          <td class="paramtype">std::size_t&#160;</td>
          <td class="paramname"><em>alignment</em>&#160;</td>
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          <td>)</td>
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<dl class="section user"><dt>Effects:</dt><dd>Uses the <a href="md_doc_concepts.html#concept_segregatable">Segregatable</a> to decide which allocator to use. Then forwards to the chosen allocator. </dd></dl>

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<a id="a5a4cc79998bac88a47d12483b7083b48"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a5a4cc79998bac88a47d12483b7083b48">&#9670;&nbsp;</a></span>deallocate_array()</h2>

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          <td>(</td>
          <td class="paramtype">void *&#160;</td>
          <td class="paramname"><em>array</em>, </td>
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          <td class="paramkey"></td>
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          <td class="paramtype">std::size_t&#160;</td>
          <td class="paramname"><em>count</em>, </td>
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          <td class="paramkey"></td>
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          <td class="paramtype">std::size_t&#160;</td>
          <td class="paramname"><em>size</em>, </td>
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          <td class="paramkey"></td>
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          <td class="paramtype">std::size_t&#160;</td>
          <td class="paramname"><em>alignment</em>&#160;</td>
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          <td>)</td>
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<dl class="section user"><dt>Effects:</dt><dd>Uses the <a href="md_doc_concepts.html#concept_segregatable">Segregatable</a> to decide which allocator to use. Then forwards to the chosen allocator. </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#a64caa0912affaefd4778635a8a76294c">&#9670;&nbsp;</a></span>max_node_size()</h2>

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          <td> const</td>
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<dl class="section user"><dt>Returns:</dt><dd>The maximum value of the fallback. </dd></dl>
<dl class="section note"><dt>Note</dt><dd>It assumes that the fallback will be used for larger allocations, and the <code>Segregatable</code> for smaller ones. </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#a62f877acb00d33a3725a41c767152a5c">&#9670;&nbsp;</a></span>max_array_size()</h2>

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<dl class="section user"><dt>Returns:</dt><dd>The maximum value of the fallback. </dd></dl>
<dl class="section note"><dt>Note</dt><dd>It assumes that the fallback will be used for larger allocations, and the <code>Segregatable</code> for smaller ones. </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#a10c127667a4f270ab6a2c88914fa3141">&#9670;&nbsp;</a></span>max_alignemnt()</h2>

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<dl class="section user"><dt>Returns:</dt><dd>The maximum value of the fallback. </dd></dl>
<dl class="section note"><dt>Note</dt><dd>It assumes that the fallback will be used for larger allocations, and the <code>Segregatable</code> for smaller ones. </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#a77b115fa35a386d35d97919074042618">&#9670;&nbsp;</a></span>get_segregatable_allocator() <span class="overload">[1/2]</span></h2>

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<dl class="section user"><dt>Returns:</dt><dd>A reference to the segregatable allocator. This is the one primarily used. </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#ad7cc8f5f9aec195d1b4c4352907d9103">&#9670;&nbsp;</a></span>get_segregatable_allocator() <span class="overload">[2/2]</span></h2>

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          <td class="memname">const segregatable_allocator_type&amp; get_segregatable_allocator </td>
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<dl class="section user"><dt>Returns:</dt><dd>A reference to the segregatable allocator. This is the one primarily used. </dd></dl>

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<a id="a534db886b34ee9d86b6b9c0c2a520e49"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a534db886b34ee9d86b6b9c0c2a520e49">&#9670;&nbsp;</a></span>get_fallback_allocator() <span class="overload">[1/2]</span></h2>

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          <td class="memname">fallback_allocator_type&amp; get_fallback_allocator </td>
          <td>(</td>
          <td class="paramname"></td><td>)</td>
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<dl class="section user"><dt>Returns:</dt><dd>A reference to the fallback allocator. It will be used if the <a href="md_doc_concepts.html#concept_segregator">Segregator</a> doesn't want the alloction. </dd></dl>

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<a id="abe5d80d5656165acb6f2eec7cbbbd24b"></a>
<h2 class="memtitle"><span class="permalink"><a href="#abe5d80d5656165acb6f2eec7cbbbd24b">&#9670;&nbsp;</a></span>get_fallback_allocator() <span class="overload">[2/2]</span></h2>

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          <td class="memname">const fallback_allocator_type&amp; get_fallback_allocator </td>
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          <td class="paramname"></td><td>)</td>
          <td> const</td>
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<dl class="section user"><dt>Returns:</dt><dd>A reference to the fallback allocator. It will be used if the <a href="md_doc_concepts.html#concept_segregator">Segregator</a> doesn't want the alloction. </dd></dl>

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