special>()(</span><span class=keyword>int</span> <span class=identifier>x</span><span class=special>)</span><span class=keyword>const</span>
  <span class=special>{</span>
    <span class=comment>// specially tuned hash for this application</span>
  <span class=special>}</span>
<span class=special>};</span>

<span class=keyword>typedef</span> <span class=identifier>multi_index_container</span><span class=special>&lt;</span>
  <span class=identifier>street_entry</span><span class=special>,</span>
  <span cla