erval.html" title="Struct template interval">interval</a> <span class="special">{</span>
  <span class="comment">// types</span>
  <span class="keyword">typedef</span> <span class="identifier">interval_type_default</span><span class="special">&lt;</span> <span class="identifier">DomainT</span><span class="special">,</span> <span class="identifier">Compare</span> <span class="special">&gt;</span><span class="special">::</span><span class="identifier">type</span> <a name="boost.icl.interval.interval_type"></a