enum-print.swift

enum Event {
    enum app: String {
        case install = "app install"
        case launch = "app launch"
    }
    
    enum list: String {
        case created = "list created"
        case deleted = "list deleted"
        case refreshed = "list refreshed"
    }
}

func printEvent<T : RawRepresentable>(_ event: T) {
    print(event.rawValue);
}

let myEvent = Event.app.launch
printEvent(myEvent)