fier>employee_set_by_name</span><span class=special>;</span>
<span class=preprocessor>#endif
</span>
<span class=keyword>typedef </span><span class=identifier>boost</span><span class=special>::</span><span class=identifier>multi_index</span><span class=special>::</span><span class=identifier>index</span><span class=special>&lt;
         </span><span class=identifier>employee_set</span><span class=special>,</span><span class=identifier>age</span><span class=special>&gt;::</span><span class=identifier>type   