l">&lt;</span> <span class="identifier">interval_type</span> <span class="special">&gt;</span>                         <a name="boost.icl.separate_interval_set.key_compare"></a><span class="identifier">key_compare</span><span class="special">;</span>            <span class="comment">// Comparison functor for keys. </span>
  <span class="keyword">typedef</span> <span class="identifier">Alloc</span><span class="special">&lt;</span> <span class="identifier">interval_type</span> <span class="special">&gt;</span