How to make an enum conform to a protocol in Swift?

Question

Swift documentation says that classes, structs, and enums can all conform to protocols, and I can get to a point where they all conform. But I can

Answer 1

how about this

enum SimpleEnum : ExampleProtocol {
    case Desc(String)
    init() {
        self = Desc("a simple enum")
    }
    var simpleDescription:String {
        get {
            return (Mirror(reflecting: self).children.first!.value as? String)!
        }
    }
    mutating func adjust() {
        self = SimpleEnum.Desc(self.desc + " adjusted")
    }
}
var e = SimpleEnum()
e.simpleDescription    # => "a simple enum"
e.adjust()
e.simpleDescription    # => "a simple enum adjusted"