type net/http.writerOnly

4 uses

	net/http (current package)
		server.go#L579: type writerOnly struct {
		server.go#L595: 		return io.CopyBuffer(writerOnly{w}, src, buf)
		server.go#L603: 		n0, err := io.CopyBuffer(writerOnly{w}, io.LimitReader(src, sniffLen), buf)
		server.go#L621: 	n0, err := io.CopyBuffer(writerOnly{w}, src, buf)