func io.Copy

16 uses

	io (current package)
		io.go#L358: 	written, err = Copy(dst, LimitReader(src, n))
		io.go#L381: func Copy(dst Writer, src Reader) (written int64, err error) {

	mime
		encodedword.go#L349: 		if _, err = io.Copy(buf, r); err != nil {

	mime/multipart
		formdata.go#L97: 			size, err := io.Copy(file, io.MultiReader(&b, p))
		multipart.go#L280: 	io.Copy(io.Discard, p)
		writer.go#L121: 	_, err := io.Copy(w.w, &b)

	net
		net.go#L655: 	return io.Copy(writerOnly{w}, r)

	net/http
		server.go#L623: 	n0, err := io.Copy(writerOnly{w}, src)
		server.go#L3429: 		io.Copy(io.Discard, mb)
		transfer.go#L409: 	n, err = io.Copy(dst, src)
		transfer.go#L1005: 		_, err = io.Copy(io.Discard, bodyLocked{b})
		transport.go#L1768: 	n, err = io.Copy(w.pc.conn, r)

	os
		file.go#L160: 	return io.Copy(onlyWriter{f}, r)

	os/exec
		exec.go#L266: 		_, err := io.Copy(pw, c.Stdin)
		exec.go#L311: 		_, err := io.Copy(w, pr)

	testing
		run_example.go#L37: 		_, err := io.Copy(&buf, r)