turn</span> <span class=identifier>m</span><span class=special>.</span><span class=keyword>template</span> <span class=identifier>project</span><span class=special>&lt;</span><span class=identifier>Tag</span><span class=special>&gt;(</span><span class=identifier>it</span><span class=special>);</span>
<span class=special>}</span>

<span class=comment>// comparison:</span>

<span class=comment>// <b>OP</b> is any of ==,&lt;,!=,&gt;,&gt;=,&lt;=</span>

<span class=keyword>template</span><span class=special>&lt