an><span class=keyword>typename </span><span class=identifier>ArgT</span><span class=special>&gt;
        </span><span class=keyword>struct </span><span class=identifier>result </span><span class=special>{ </span><span class=keyword>typedef </span><span class=keyword>bool </span><span class=identifier>type</span><span class=special>; };

        </span><span class=keyword>template </span><span class=special>&lt;</span><span class=keyword>typename </span><span class=identifier>ArgT</span><span class=special>