entifier">category</span></a><span class="special">(</span><span class="keyword">const</span> <a class="link" href="category.html" title="Class template category">category</a> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">index_type</span><span class="special">,</span> <span class="identifier">index_type</span><span class="special">,</span> <span class="keyword">unsigned</span><span class="special">)</span><span class="special">;</span>

  <span class="comment">//