ss="keyword">const</span> <span class="identifier">const_node_ptr</span> <span class="special">&amp;</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">KeyType</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">KeyNodePtrCompare</span><span class="special">,</span> 
                <span class="keyword">bool</span> <span class="special">=</span> <span class="keyword">true</span><span class="special">)</span><span cla