Kotlin - Combined Constants Enum Example

combinedConstantsEnum.kt

fun showIsGreatHouse(house: House) =
        when (house) {
            House.TARGARYEN, House.LANNISTER, House.STARK -> "$house is a great house"
            else -> "bla"
        }

fun main(args: Array<String>) {
    println(showIsGreatHouse(House.LANNISTER))
    // LANNISTER is a great house
}