Xiangao2018
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Xiangao2018
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i hava the same issue on macOS Cataline, System info: version 10.15.3 ``` noah-normal@MacBook-Pro-2:~ $ air list I, [2020-04-07T09:50:53.825136 #3207] INFO -- : Celluloid 0.17.4 is running in BACKPORTED mode....
Maybe you can write like so： ```swift extension Optional { var isNone: Bool { switch self { case .none: return true case .some: return false } } var isSome: Bool...
same issue.