public void wl_signal_add(final Pointer<wl_signal> signal,
                              final Pointer<wl_listener> listener) {
        wl_list_insert(signal.get()
                             .listener_list()
                             .getPrev().address,
                       ref(listener.get()
                                   .link()).address);
    }
public void wl_signal_add ( final Pointer < wl_signal > signal , final Pointer < wl_listener > listener ) { wl_list_insert ( signal . get ( ) . listener_list ( ) . getPrev ( ) . address , ref ( listener . get ( ) . link ( ) ) . address ) ; }
}