span class=special>)</span><span class=keyword>const</span><span class=special>{</span><span class=keyword>return</span> <span class=identifier>e</span><span class=special>-&gt;</span><span class=identifier>name</span><span class=special>;}</span>
<span class=special>};</span>

<span class=comment>// name_extractor can handle elements of type employee...</span>
<span class=keyword>typedef</span> <span class=identifier>multi_index_container</span><span class=special>&lt;</span>
  <span class=identifier>emplo