Created
October 7, 2018 16:50
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Derived Collection of Enum Cases:
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| enum CompassDirection: CaseIterable { | |
| case north, south, east, west | |
| } | |
| print("There are \(CompassDirection.allCases.count) directions.") | |
| // Prints "There are 4 directions." | |
| let caseList = CompassDirection.allCases | |
| .map({ "\($0)" }) | |
| .joined(separator: ", ") | |
| // caseList == "north, south, east, west" |
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