Function isNumber

unicode.go:16–21

(r rune)

}

func isNumber(r rune) bool {
	if r >= '0' && r <= '9' {
		return true
	}
	return unicode.IsNumber(r)
}

func isSpace(r rune) bool {
	if r == ' ' || r == '\t' || r == '\n' || r == '\r' {