terprocess.iunordered_set_index.value_type"></a><span class="identifier">value_type</span><span class="special">;</span>        
  <span class="keyword">typedef</span> <span class="identifier">index_type</span><span class="special">::</span><span class="identifier">bucket_ptr</span>         <a name="boost.interprocess.iunordered_set_index.bucket_ptr"></a><span class="identifier">bucket_ptr</span><span class="special">;</span>        
  <span class="keyword">typedef</span> <span class="identifier">index_type