| data class A(var x: Int, var y: String) | |
| fun box(): String { | |
| val a = A(21, "K") | |
| if (a.component1() != 21 || a.component2() != "K") return "Fail" | |
| a.x *= 2 | |
| a.y = "O" + a.component2() | |
| return if (a.component1() == 42) a.component2() else a.component1().toString() | |
| } |