><span class="special">&lt;</span><span class="keyword">typename</span> Signature<span class="special">&gt;</span> <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a name="idp40228016-bb"></a><span class="identifier">call</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <span class="special">&amp;</span> name<span class="special">)</span><span clas