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<title>move_to_front_lu_policy Interface</title>
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<h1><tt>move_to_front_lu_policy</tt> Interface</h1>
<p>A list-update policy that unconditionally moves elements to
the front of the list.</p>
<p>Defined in: <a href=
"http://gcc.gnu.org/viewcvs/*checkout*/trunk/libstdc%2B%2B-v3/include/ext/pb_ds/list_update_policy.hpp"><tt>list_update_policy.hpp</tt></a></p>
<h2><a name="link1" id="link1">Template Parameters</a></h2>
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"Template Parameters">
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<td width="20%" align="left"><b>Parameter</b></td>
<td width="50%" align="left"><b>Description</b></td>
<td width="30%" align="left"><b>Default Value</b></td>
</tr>
<tr>
<td>
<pre>
<a name="Allocator35940069" id=
"Allocator35940069"><b>class</b> Allocator </a>
</pre>
</td>
<td>
<p>Allocator type.</p>
<p>This is used only for definitions, e.g., the size
type.</p>
</td>
<td>
<pre>
std::allocator<<b>char</b>>
</pre>
</td>
</tr>
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<h2><a name="link2" id="link2">Public Types and
Constants</a></h2>
<h3><a name="link3" id="link3">Policy Definitions</a></h3>
<table class="c1" width="100%" border="1" summary="Types">
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<td width="30%" align="left"><b>Type</b></td>
<td width="55%" align="left"><b>Definition</b></td>
<td width="15%" align="left"><b>Description</b></td>
</tr>
<tr>
<td>
<pre>
<a name="allocator48440069" id="allocator48440069">allocator</a>
</pre>
</td>
<td>
<pre>
<a href="#Allocator35940069"><tt>Allocator</tt></a>
</pre>
</td>
<td>
<p><a href="#Allocator35940069"><tt>Allocator</tt></a>
type.</p>
</td>
</tr>
</table>
<h3><a name="link4" id="link4">Metadata-Type
Definitions</a></h3>
<table class="c1" width="100%" border="1" summary="Types">
<tr>
<td width="30%" align="left"><b>Type</b></td>
<td width="55%" align="left"><b>Definition</b></td>
<td width="15%" align="left"><b>Description</b></td>
</tr>
<tr>
<td>
<pre>
<a name="metadata_type2849297114" id=
"metadata_type2849297114">metadata_type</a>
</pre>
</td>
<td>
<pre>
<a href="null_lu_metadata.html"><span class=
"c2"><tt>null_lu_metadata</tt></span></a>
</pre>
</td>
<td>
<p>Metadata on which this functor operates.</p>
<p>In this case, none.</p>
</td>
</tr>
<tr>
<td>
<pre>
<a name="metadata_reference583863863" id=
"metadata_reference583863863">metadata_reference</a>
</pre>
</td>
<td>
<pre>
<b>typename</b> <a href=
"#Allocator35940069"><tt>Allocator</tt></a>::<b>template</b> rebind<
<a href=
"#metadata_type2849297114"><tt>metadata_type</tt></a>>::other::reference
</pre>
</td>
<td>
<p>Reference to metadata on which this functor
operates.</p>
</td>
</tr>
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<h2><a name="link5" id="link5">Public Methods</a></h2>
<h3><a name="link6" id="link6">Metadata Methods</a></h3>
<table class="c1" width="100%" border="1" summary="Methods">
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<td width="45%" align="left"><b>Method</b></td>
<td width="55%" align="left"><b>Description</b></td>
</tr>
<tr>
<td>
<pre>
<a href="#metadata_type2849297114"><tt>metadata_type</tt></a>
<b>operator</b>()
() <b>const</b>
</pre>
</td>
<td>
<p>Creates a metadata object.</p>
</td>
</tr>
<tr>
<td>
<pre>
<b>inline</b> <b>bool</b>
<b>operator</b>()
(<a href=
"#metadata_reference583863863"><tt>metadata_reference</tt></a> r_metadata) <b>const</b>
</pre>
</td>
<td>
<p>Decides whether a metadata object should be moved to
the front of the list.</p>
</td>
</tr>
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