| // WITH_RUNTIME | |
| operator fun Int.component1(): String { | |
| return arrayListOf("zero", "one", "two", "three")[this] | |
| } | |
| operator fun Int.component2(): Int { | |
| return arrayListOf(0, 1, 4, 9)[this] | |
| } | |
| fun box(): String { | |
| val strings = arrayListOf<String>() | |
| val squares = arrayListOf<Int>() | |
| for ((str, sq) in 1..3) { | |
| strings.add(str) | |
| squares.add(sq) | |
| } | |
| if (strings != arrayListOf("one", "two", "three")) return "FAIL: $strings" | |
| if (squares != arrayListOf(1, 4, 9)) return "FAIL: $squares" | |
| return "OK" | |
| } |