cial">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><a class="link" href="named_parameter.html" title="Struct template named_parameter">named_parameter</a><span class="special">&lt;</span> <span class="identifier">T</span><span class="special">,</span> <span class="identifier">unique_id</span> <span class="special">&gt;</span> <a name="idp60321808-bb"></a><span class="keyword">operator</span><span class="special">=</span><span class="special">(</span><span class="identifier">T</span> <