pan class=special>{ </span><span class=keyword>return </span><span class=identifier>ch</span><span class=special>; </span><span class=special>}

        </span><span class=keyword>template </span><span class=special>&lt;</span><span class=keyword>typename </span><span class=identifier>ScannerT</span><span class=special>&gt;
        </span><span class=keyword>typename </span><span class=identifier>ScannerT</span><span class=special>::</span><span class=identifier>ref_t
        </span><span class=identifier>g