func unicode.convertCase

4 uses

	unicode (current package)
		letter.go#L231: func convertCase(_case int, r rune, cr *CaseRange) rune {
		letter.go#L256: 		return convertCase(_case, r, cr), true
		letter.go#L382: 		if l := convertCase(LowerCase, r, cr); l != r {
		letter.go#L385: 		return convertCase(UpperCase, r, cr)