func unicode.Is

4 uses

	unicode (current package)
		graphic.go#L61: 		if Is(inside, r) {
		graphic.go#L71: 		if Is(inside, r) {
		graphic.go#L117: 	return Is(Punct, r)
		letter.go#L157: func Is(rangeTab *RangeTable, r rune) bool {