enum Cat { case kawaiiNeko(KawaiiNeko) case cuteNaNeko(CuteNaNeko) } protocol CatProtocol { } struct KawaiiNeko: CatProtocol {}enum Cat { case kawaiiNeko(KawaiiNeko) case cuteNaNeko(CuteNaNeko) } protocol CatProtocol { } struct KawaiiNeko: CatProtocol {}