func unicode.ToUpper

5 uses

	unicode (current package)
		letter.go#L254: func ToUpper(r rune) rune {
		letter.go#L290: 		r1 = ToUpper(r)
		letter.go#L370: 	return ToUpper(r)

	bytes
		bytes.go#L676: 	return Map(unicode.ToUpper, s)

	strings
		strings.go#L637: 	return Map(unicode.ToUpper, s)