public protocol EventTrackable {
    var eventName: String { get }
}

public protocol KeyedEventTrackable: EventTrackable {
    var eventKey: String { get }
}

public extension KeyedEventTrackable where Self: RawRepresentable, Self.RawValue == String {
    var eventName: String {
        return self.rawValue
    }
}

enum MyEvent: String, KeyedEventTrackable {
    case event = "cool.event"
}