                                                                                         <a name="boost.icl.map.key_object_type"></a><span class="identifier">key_object_type</span><span class="special">;</span>           
  <span class="keyword">typedef</span> <span class="identifier">on_absorbtion</span><span class="special">&lt;</span> <a class="link" href="map.html#boost.icl.map.type">type</a><span class="special">,</span> <span class="identifier">codomain_combine</span><span class="special">,</span> <sp