var io.Discard

12 uses

	io (current package)
		io.go#L631: var Discard Writer = discard{}

	io/ioutil
		ioutil.go#L95: var Discard io.Writer = io.Discard

	go.uber.org/zap
		logger.go#L89: 		errorOutput: zapcore.AddSync(io.Discard),
		writer.go#L95: 		return zapcore.AddSync(io.Discard)

	log
		log.go#L84: 	l.isDiscard.Store(w == io.Discard)

	mime/multipart
		multipart.go#L326: 	io.Copy(io.Discard, p)

	net/http
		client.go#L706: 				io.CopyN(io.Discard, resp.Body, maxBodySlurpSize)
		server.go#L1403: 			_, err := io.CopyN(io.Discard, w.reqBody, maxPostHandlerReadBytes+1)
		server.go#L3516: 		io.Copy(io.Discard, mb)
		transfer.go#L375: 			nextra, err = t.doBodyCopy(io.Discard, body)
		transfer.go#L991: 			n, err = io.CopyN(io.Discard, bodyLocked{b}, maxPostHandlerReadBytes)
		transfer.go#L1002: 		_, err = io.Copy(io.Discard, bodyLocked{b})