indirect enum Weather {
    case VeryGood
    case Cloudy (nextDay: Weather)
    case Rainy (nextDay: Weather)
    func howsTheWeather() -> Weather {
        return .VeryGood
    }
}
enum Weather1 {
    case VeryGood
    indirect case Cloudy (nextDay: Weather)
    indirect case Rainy (nextDay: Weather)
    func howsTheWeather() -> Weather {
        return .VeryGood
    }
}

var weather = Weather.VeryGood
weather = Weather.Cloudy(nextDay: .Rainy(nextDay: .VeryGood))
print(weather)