al">::</span><span class="identifier">intrusive</span><span class="special">;</span>

                  <span class="comment">//This is a base hook optimized for size</span>
<span class="keyword">class</span> <span class="identifier">MyClass</span> <span class="special">:</span> <span class="keyword">public</span> <span class="identifier">avl_set_base_hook</span><span class="special">&lt;</span><span class="identifier">optimize_size</span><span class="special">&lt;</span><span class="keyword">true</span><sp