Function uniqueChar

sepDector.go:203–213

remove duplication item in []rune

(intSlice []rune)

// remove duplication item in []rune
func uniqueChar(intSlice []rune) []rune {
	keys := make(map[rune]bool)
	var list []rune
	for _, entry := range intSlice {
		if _, value := keys[entry]; !value {
			keys[entry] = true
			list = append(list, entry)
		}
	}
	return list
}

// check if all item in []int is equal, false for empty array
func allIntItemEqual(r []int) bool {