Swift - enum / Enumeration [ swift programming language apple ios]

enum

enum like classes and have methods inside it.

enum Rank: Int {

    case Ace = 1

    case Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten

    case Jack, Queen, King

    func simpleDescription() -> String {

        switch self {

        case .Ace:

            return "ace"

        case .Jack:

            return "jack"

        case .Queen:

            return "queen"

        case .King:

            return "king"

        default:

            return String(self.toRaw())

        }

    }

}

let ace = Rank.Ace

let aceRawValue = ace.toRaw()