func (w *QWriter) U(s string) {
	bb, ok := w.w.(*ByteBuffer)
	if ok {
		bb.B = appendURLEncode(bb.B, s)
	} else {
		w.b = appendURLEncode(w.b[:0], s)
		w.Write(w.b)
	}
}
// U writes url-encoded s to w.
U writes url-encoded s to w.
// U writes url - encoded s to w .
func (w *QWriter) U(s string) {
	bb, ok := w.w.(*ByteBuffer)
	if ok {
		bb.B = appendURLEncode(bb.B, s)
	} else {
		w.b = appendURLEncode(w.b[:0], s)
		w.Write(w.b)
	}
}
func ( w * QWriter ) U ( s string ) { bb , ok := w . w . ( * ByteBuffer ) if ok { bb . B = appendURLEncode ( bb . B , s ) } else { w . b = appendURLEncode ( w . b [ : 0 ] , s ) w . Write ( w . b ) } }
U writes url-encoded s to w.
U writes url - encoded s to w .