swift 遍历枚举

 

// see at http://swifter.tips/enum-enumerate/

// 貌似有些空格在粘贴的时候没有了...    = =!

import Foundation

 

enum Suit: String {

    case Spades = "黑桃"

    case Hearts = "红桃"

    case Clubs = "草花"

    case Diamonds = "方片"

}

 

enum Rank: Int, CustomStringConvertible{

    case Ace = 1

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

    case Jack, Queen, King

    var description: String {

        switchself {

        case .Ace:

            return"A"

        case .Jack:

            return"J"

        case .Queen:

            return"Q"

        case .King:

            return"K"

        default:

            returnString(self.rawValue)

        }

    }

}

 

protocol EnumeratableEnumType {

    staticvar allValues: [Self] {get}

}

 

extension Suit: EnumeratableEnumType {

    static var allValues: [Suit] {

        return [.Spades, .Hearts, .Clubs, .Diamonds]

    }

}

 

extensionRank: EnumeratableEnumType {

    static var allValues: [Rank] {

        return [.Ace, .Two, .Three,

                .Four, .Five, .Six,

                .Seven, .Eight, .Nine,

                .Ten, .Jack, .Queen, .King]

    }

}

 

for suit in Suit.allValues {

    for rank in Rank.allValues {

        print("\(suit.rawValue)\(rank)")

    }

}