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

I was thinking that the goal is simply to retain state and use a description to make the current state easier to read:

enum SimpleEnum: ExampleProtocol {

    case Default, Adjusted

    init() {
        self = .Default
    }

    var simpleDescription: String { get { return "\(self) Value" }}

    mutating func adjust() {
        self = .Adjusted
    }
}

var simpleEnum = SimpleEnum()
simpleEnum.adjust()
let adjustedSimple = simpleEnum.simpleDescript