Function hasPrefix

json/parse.go:737–739

(b []byte, s string)

}

func hasPrefix(b []byte, s string) bool {
	return len(b) >= len(s) && s == string(b[:len(s)])
}

func hasLeadingSign(b []byte) bool {
	return len(b) > 0 && (b[0] == '+' || b[0] == '-')