lass</span></a><span class="special">(</span><span class="emphasis"><em><span class="identifier">unspecified</span></em></span><span class="special">,</span> <span class="identifier">smart_library</span> <span class="special">&amp;&amp;</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span><span class="special">,</span> <span class="identifier">Args</span><span class="special">...</span><span class="special">)</span><span