The closest I could get to compile is to add exten...

# announcements

[mg6maciej]

The closest I could get to compile is to add extension on value returned by values(), like this:

interface Xable {

    val x: Int
}

enum class A(override val x: Int) : Xable

fun <T : Xable> Array<T>.of(x: Int) = single { it.x == x }