ass="identifier">DomainT</span>                                                      <a name="boost.icl.separate_interval_set.codomain_type"></a><span class="identifier">codomain_type</span><span class="special">;</span>          <span class="comment">// The codomaintype is the same as domain_type. </span>
  <span class="keyword">typedef</span> <span class="identifier">DomainT</span>                                                      <a name="boost.icl.separate_interval_set.element_type"></a><span class="