swift Swift 4.1枚举示例

Posted 2021-05-19

enum Fruits: String {
    case apple
    case banana
    case strawberry
    case kiwi

    static var allCases: [Fruits] {
        return [.apple, .banana, .strawberry, .kiwi]
    }

    static func printFruits() {
        for fruit in Fruits.allCases {
            print(fruit)
        }
    }
}