enum

enum lamp:CustomStringConvertible
{
    case A,B,C,D,E,F

    func getValue()->Int{
        let fu:Int=self.hashValue
        switch fu {
        case lamp.A.hashValue:
            return (10)
            case lamp.B.hashValue:
            return (45)
            case lamp.C.hashValue:
            return (75)
            case lamp.D.hashValue:
            return (100)
            case lamp.E.hashValue:
            return (125)
            case lamp.F.hashValue:
            return (150)
        default:
            return (0)
        }
    }
    var description: String{
        let fu:Int=self.hashValue
        switch fu {
            case lamp.A.hashValue:
            return ("you have 25W")
            case lamp.B.hashValue:
            return ("you have 40W")
            case lamp.C.hashValue:
            return ("you have 60W")
            case lamp.D.hashValue:
            return ("you have 75W")
            case lamp.E.hashValue:
            return ("you have 100W")
            case lamp.F.hashValue:
            return ("you have 125W")
        default:
            return ("you dont have lamp....")
        }
    }
}
var myLamp:lamp = .A
print(myLamp)
//print(myLamp.getValue())