most basic usage of enum classes is implementing type-safe enums: enum class Direction { NORTH, SOUTH, WEST, EAST } Each enum constant is an object. Enum constants are separated with commas. Since each

most basic usage of enum classes is implementing type-safe enums: enum class Direction { NORTH, SOUTH, WEST, EAST } Each enum constant is an object. Enum constants are separated with commas. Since each

tab and select the Use trailing comma option. Enumerations enum class Direction { NORTH, SOUTH, WEST, EAST, // trailing comma } Value arguments fun shift(x: Int, y: Int) { /*...*/ } shift( case for enum classes is the implementation of type-safe enums: enum class Direction { NORTH, SOUTH, WEST, EAST } On the JVM, if the object is an instance of a functional Java interface (that means

Style | Kotlin， 打开 Other 选项卡并选择 Use trailing comma 选 项。 枚举 enum class Direction { NORTH, SOUTH, WEST, EAST, // 尾部逗号 } 值实参 fun shift(x: Int, y: Int) { /*……*/ } shift( 25, ActionListener { println("clicked") } 枚举类 枚举类的最基本的应用场景是实现类型安全的枚举： enum class Direction { NORTH, SOUTH, WEST, EAST } 每个枚举常量都是一个对象。枚举常量以逗号分隔。 因为每一个枚举都是枚举类的实例，所以可以这样初始化： enum class Color(val rgb: Int)

Kotlin， 打开 Other 选项卡并选择 Use trailing comma 选项。 枚举 编码规范 416 enum class Direction { NORTH, SOUTH, WEST, EAST, // 尾部逗号 } 值实参 fun shift(x: Int, y: Int) { /*……*/ } shift( 25, println("clicked") } 嵌套类 522 枚举类 枚举类的最基本的应用场景是实现类型安全的枚举： enum class Direction { NORTH, SOUTH, WEST, EAST } 每个枚举常量都是一个对象。枚举常量以逗号分隔。 因为每一个枚举都是枚举类的实例，所以可以这样初始化： enum class Color(val rgb: Int)