Iterating through an Enum in Swift 3.0

Question

I have a simple enum that I would like to iterate over. For this purpose, I\'ve adopted Sequence and IteratorProtocol as shown in the code below. BTW, this can be copy/paste

Answer 1

If your enum is an Int based one, you can do an effective but slightly dirty trick like this.

enum MyEnum: Int {
    case One
    case Two
}

extension MyEnum {
    func static allCases() -> [MyEnum] {
        var allCases = [MyEnum]()
        for i in 0..<10000 {
            if let type = MyEnum(rawValue: i) {
                allCases.append(type)
            } else {
                break
            }
        }
        return allCases
    }
}

Then loop over MyEnum.allCases()..