ployee</span><span class=special>&gt;</span> <span class=special>&gt;,</span>
    
    <span class=comment>// sort by less&lt;string&gt; on name</span>
    <span class=identifier>ordered_non_unique</span><span class=special>&lt;</span><span class=identifier>member</span><span class=special>&lt;</span><span class=identifier>employee</span><span class=special>,</span><span class=identifier>std</span><span class=special>::</span><span class=identifier>string</span><span class=special>,&amp;</span><span class=i