/span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">explicit</span> <a name="idm14216-bb"></a><span class="identifier">category</span><span class="special">(</span><span class="identifier">allocator_type</span> alloc<span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem">
<pre class="literallayout"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> I