// MyEnum: to be implemented
impl enum class MyEnum {
    FIRST,
    SECOND,
    LAST;

    companion object {
        fun byNum(num: Int): MyEnum = when (num) {
            1 -> FIRST
            2 -> SECOND
            else -> LAST
        }
    }

    impl val num: Int
        get() = TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
}