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<title>Struct template with_cached_result</title>
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<div class="refentry" title="Struct template with_cached_result">
<a name="boost.accumulators.with_cached_result"></a><div class="titlepage"></div>
<div class="refnamediv">
<h2><span class="refentrytitle">Struct template with_cached_result</span></h2>
<p>boost::accumulators::with_cached_result</p>
</div>
<h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2>
<div xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv"><pre class="synopsis"><span class="emphasis"><em>// In header: &lt;<a class="link" href="../../accumulators/reference.html#header.boost.accumulators.framework.accumulators.droppable_accumulator_hpp" title="Header &lt;boost/accumulators/framework/accumulators/droppable_accumulator.hpp&gt;">boost/accumulators/framework/accumulators/droppable_accumulator.hpp</a>&gt;

</em></span><span class="bold"><strong>template</strong></span>&lt;<span class="bold"><strong>typename</strong></span> Accumulator&gt; 
<span class="bold"><strong>struct</strong></span> <a class="link" href="with_cached_result.html" title="Struct template with_cached_result">with_cached_result</a> : <span class="bold"><strong>public</strong></span> Accumulator {
  <span class="emphasis"><em>// types</em></span>
  <span class="bold"><strong>typedef</strong></span> Accumulator::result_type <a name="boost.accumulators.with_cached_result.result_type"></a>result_type;

  <span class="emphasis"><em>// <a class="link" href="with_cached_result.html#boost.accumulators.with_cached_resultconstruct-copy-destruct">construct/copy/destruct</a></em></span>
  <span class="bold"><strong>template</strong></span>&lt;<span class="bold"><strong>typename</strong></span> Args&gt; <a class="link" href="with_cached_result.html#id549966-bb">with_cached_result</a>(Args <span class="bold"><strong>const</strong></span> &amp;);
  <a class="link" href="with_cached_result.html#id549980-bb">with_cached_result</a>(<a class="link" href="with_cached_result.html" title="Struct template with_cached_result">with_cached_result</a> <span class="bold"><strong>const</strong></span> &amp;);
  with_cached_result&amp; <a class="link" href="with_cached_result.html#id550023-bb"><span class="bold"><strong>operator</strong></span>=</a>(<a class="link" href="with_cached_result.html" title="Struct template with_cached_result">with_cached_result</a> <span class="bold"><strong>const</strong></span> &amp;);
  <a class="link" href="with_cached_result.html#id549989-bb">~with_cached_result</a>();

  <span class="emphasis"><em>// <a class="link" href="with_cached_result.html#id549922-bb">public member functions</a></em></span>
  <span class="bold"><strong>template</strong></span>&lt;<span class="bold"><strong>typename</strong></span> Args&gt; <span class="type"><span class="bold"><strong>void</strong></span></span> <a class="link" href="with_cached_result.html#id549926-bb">on_drop</a>(Args <span class="bold"><strong>const</strong></span> &amp;) ;
  <span class="bold"><strong>template</strong></span>&lt;<span class="bold"><strong>typename</strong></span> Args&gt; <span class="type">result_type</span> <a class="link" href="with_cached_result.html#id549946-bb">result</a>(Args <span class="bold"><strong>const</strong></span> &amp;) <span class="bold"><strong>const</strong></span>;

  <span class="emphasis"><em>// <a class="link" href="with_cached_result.html#id549990-bb">private member functions</a></em></span>
  <span class="type"><span class="bold"><strong>void</strong></span></span> <a class="link" href="with_cached_result.html#id549994-bb">set</a>(result_type <span class="bold"><strong>const</strong></span> &amp;) ;
  <span class="type">result_type <span class="bold"><strong>const</strong></span> &amp;</span> <a class="link" href="with_cached_result.html#id550007-bb">get</a>() <span class="bold"><strong>const</strong></span>;
  <span class="type"><span class="bold"><strong>bool</strong></span></span> <a class="link" href="with_cached_result.html#id550015-bb">has_result</a>() <span class="bold"><strong>const</strong></span>;
};</pre></div>
<div class="refsect1" title="Description">
<a name="id641671"></a><h2>Description</h2>
<div class="refsect2" title="with_cached_result public construct/copy/destruct">
<a name="id641674"></a><h3>
<a name="boost.accumulators.with_cached_resultconstruct-copy-destruct"></a><code class="computeroutput">with_cached_result</code> 
        public
       construct/copy/destruct</h3>
<div class="orderedlist"><ol class="orderedlist" type="1">
<li class="listitem"><pre class="literallayout"><span class="bold"><strong>template</strong></span>&lt;<span class="bold"><strong>typename</strong></span> Args&gt; <a name="id549966-bb"></a>with_cached_result(Args <span class="bold"><strong>const</strong></span> &amp; args);</pre></li>
<li class="listitem"><pre class="literallayout"><a name="id549980-bb"></a>with_cached_result(<a class="link" href="with_cached_result.html" title="Struct template with_cached_result">with_cached_result</a> <span class="bold"><strong>const</strong></span> &amp; that);</pre></li>
<li class="listitem"><pre class="literallayout">with_cached_result&amp; <a name="id550023-bb"></a><span class="bold"><strong>operator</strong></span>=(<a class="link" href="with_cached_result.html" title="Struct template with_cached_result">with_cached_result</a> <span class="bold"><strong>const</strong></span> &amp;);</pre></li>
<li class="listitem"><pre class="literallayout"><a name="id549989-bb"></a>~with_cached_result();</pre></li>
</ol></div>
</div>
<div class="refsect2" title="with_cached_result public member functions">
<a name="id641801"></a><h3>
<a name="id549922-bb"></a><code class="computeroutput">with_cached_result</code> public member functions</h3>
<div class="orderedlist"><ol class="orderedlist" type="1">
<li class="listitem"><pre class="literallayout"><span class="bold"><strong>template</strong></span>&lt;<span class="bold"><strong>typename</strong></span> Args&gt; <span class="type"><span class="bold"><strong>void</strong></span></span> <a name="id549926-bb"></a>on_drop(Args <span class="bold"><strong>const</strong></span> &amp; args) ;</pre></li>
<li class="listitem"><pre class="literallayout"><span class="bold"><strong>template</strong></span>&lt;<span class="bold"><strong>typename</strong></span> Args&gt; <span class="type">result_type</span> <a name="id549946-bb"></a>result(Args <span class="bold"><strong>const</strong></span> &amp; args) <span class="bold"><strong>const</strong></span>;</pre></li>
</ol></div>
</div>
<div class="refsect2" title="with_cached_result private member functions">
<a name="id641896"></a><h3>
<a name="id549990-bb"></a><code class="computeroutput">with_cached_result</code> private member functions</h3>
<div class="orderedlist"><ol class="orderedlist" type="1">
<li class="listitem"><pre class="literallayout"><span class="type"><span class="bold"><strong>void</strong></span></span> <a name="id549994-bb"></a>set(result_type <span class="bold"><strong>const</strong></span> &amp; r) ;</pre></li>
<li class="listitem"><pre class="literallayout"><span class="type">result_type <span class="bold"><strong>const</strong></span> &amp;</span> <a name="id550007-bb"></a>get() <span class="bold"><strong>const</strong></span>;</pre></li>
<li class="listitem"><pre class="literallayout"><span class="type"><span class="bold"><strong>bool</strong></span></span> <a name="id550015-bb"></a>has_result() <span class="bold"><strong>const</strong></span>;</pre></li>
</ol></div>
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        Distributed under the Boost Software License, Version 1.0. (See accompanying
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