func strconv.AppendInt

17 uses

	strconv (current package)
		itoa.go#L40: func AppendInt(dst []byte, i int64, base int) []byte {

	encoding/asn1
		asn1.go#L248: 		s.Write(strconv.AppendInt(buf, int64(v), 10))

	encoding/json
		encode.go#L515: 	b = strconv.AppendInt(b, v.Int(), 10)

	fmt
		print.go#L90: 		b = strconv.AppendInt(b, int64(w), 10)
		print.go#L94: 		b = strconv.AppendInt(b, int64(p), 10)

	github.com/go-faster/errors
		adaptor.go#L112: 			format = strconv.AppendInt(format, int64(width), 10)
		adaptor.go#L116: 			format = strconv.AppendInt(format, int64(prec), 10)

	github.com/gotd/td/tdjson
		encoder.go#L58: 	r = strconv.AppendInt(r, v, 10)

	go.uber.org/zap/buffer
		buffer.go#L57: 	b.bs = strconv.AppendInt(b.bs, i, 10)

	math/big
		ftoa.go#L284: 	return strconv.AppendInt(buf, exp, 10)
		ftoa.go#L343: 	return strconv.AppendInt(buf, e, 10)
		ftoa.go#L410: 	return strconv.AppendInt(buf, exp64, 10)
		ftoa.go#L444: 	return strconv.AppendInt(buf, int64(x.exp), 10)

	net/http
		cookie.go#L219: 		b.Write(strconv.AppendInt(buf[:0], int64(c.MaxAge), 10))
		http.go#L96: 			b = strconv.AppendInt(b, int64(s[i]), 16)
		server.go#L1325: 		setHeader.contentLength = strconv.AppendInt(cw.res.clenBuf[:0], int64(len(p)), 10)
		server.go#L1552: 		bw.Write(strconv.AppendInt(scratch[:0], int64(code), 10))