pedef</span> <b><span class=identifier>implementation</span> <span class=identifier>defined</span></b> <span class=identifier>type</span><span class=special>;};</span>
  
  <span class=comment>// construct/copy/destroy:</span>

  <span class=keyword>explicit</span> <span class=identifier>multi_index_container</span><span class=special>(
    </span><span class=keyword>const</span> <span class=identifier>ctor_args_list</span><span class=special>&amp;</span> <span class=identifier>args_list</span><span class=s