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28 <h2><span class="refentrytitle">Struct template has_trivial_destructor_after_move</span></h2>
29 <p>boost::has_trivial_destructor_after_move</p>
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31 <h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2>
32 <div xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv"><pre class="synopsis"><span class="comment">// In header: &lt;<a class="link" href="../move/reference.html#header.boost.move.traits_hpp" title="Header &lt;boost/move/traits.hpp&gt;">boost/move/traits.hpp</a>&gt;
33
34 </span><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> T<span class="special">&gt;</span> 
35 <span class="keyword">struct</span> <a class="link" href="has_trivial_d_idp150802208.html" title="Struct template has_trivial_destructor_after_move">has_trivial_destructor_after_move</a> <span class="special">:</span>
36   <span class="keyword">public</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">has_trivial_destructor</span><span class="special">&lt;</span> <span class="identifier">T</span> <span class="special">&gt;</span>
37 <span class="special">{</span>
38 <span class="special">}</span><span class="special">;</span></pre></div>
39 <div class="refsect1">
40 <a name="idp331426352"></a><h2>Description</h2>
41 <p>If this trait yields to true (<span class="emphasis"><em><a class="link" href="has_trivial_d_idp150802208.html" title="Struct template has_trivial_destructor_after_move">has_trivial_destructor_after_move</a> &lt;T&gt;::value == true</em></span>) means that if T is used as argument of a move construction/assignment, there is no need to call T's destructor. This optimization tipically is used to improve containers' performance.</p>
42 <p>By default this trait is true if the type has trivial destructor, every class should specialize this trait if it wants to improve performance when inserted in containers. </p>
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47 <td align="right"><div class="copyright-footer">Copyright &#169; 2008-2014 Ion Gaztanaga<p>
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