type io.ReaderFrom

7 uses

	io (current package)
		io.go#L184: type ReaderFrom interface {
		io.go#L408: 	if rt, ok := dst.(ReaderFrom); ok {
		io.go#L577: var _ ReaderFrom = discard{}

	bufio
		bufio.go#L511: 	if w, ok := w.(io.ReaderFrom); ok {
		bufio.go#L729: 		if w, ok := b.wr.(io.ReaderFrom); ok {

	net/http
		server.go#L575: 	rf, ok := w.conn.rwc.(io.ReaderFrom)
		transport.go#L1773: var _ io.ReaderFrom = (*persistConnWriter)(nil)