ass=identifier>at_end</span><span class=special>(</span><span class=identifier>ScannerT </span><span class=keyword>const</span><span class=special>&amp; </span><span class=identifier>scan</span><span class=special>) </span><span class=keyword>const
        </span><span class=special>{ </span><span class=keyword>return </span><span class=identifier>scan</span><span class=special>.</span><span class=identifier>first </span><span class=special>== </span><span class=identifier>scan</span><span class=special>.</