"identifier">T</span> <span class="special">&gt;</span> <span class="special">{</span>
<span class="special">}</span><span class="special">;</span></pre></div>
<div class="refsect1">
<a name="idm41328"></a><h2>Description</h2>
<p>By default, this unary boolean meta-function is equivalent to <code class="computeroutput">boost::is_copy_constructible&lt;T&gt;</code> but programmers can chose to specialize it for user-defined types (in general some kind of specialization is also needed on compilers that do not 