type io.WriterTo

9 uses

	io (current package)
		io.go#L200: type WriterTo interface {
		io.go#L410: 	if wt, ok := src.(WriterTo); ok {
		io.go#L683: 	if _, ok := r.(WriterTo); ok {
		io.go#L702: 	return c.Reader.(WriterTo).WriteTo(w)
		multi.go#L67: var _ WriterTo = (*multiReader)(nil)

	bufio
		bufio.go#L523: 	if r, ok := b.rd.(io.WriterTo); ok {

	net
		net.go#L831: 	_ io.WriterTo = (*Buffers)(nil)

	net/http
		http.go#L120: 	_ io.WriterTo   = NoBody
		transfer.go#L1097: 	io.WriterTo