func unicode.ToUpper

4 uses

	unicode (current package)
		letter.go#L268: func ToUpper(r rune) rune {
		letter.go#L304: 		r1 = ToUpper(r)

	bytes
		bytes.go#L715: 	return Map(unicode.ToUpper, s)

	strings
		strings.go#L723: 	return Map(unicode.ToUpper, s)