| // WITH_STDLIB |
| // KJS_WITH_FULL_RUNTIME |
| // FILE: 1.kt |
| inline fun List<String?>.forEachNotNull(s: String, fn: (String, String) -> Unit) { |
| for (x in this) { |
| fn(s, x ?: continue) |
| } |
| } |
| |
| inline fun List<String?>.forEachUntilNull(s: String, fn: (String, String) -> Unit) { |
| for (x in this) { |
| fn(s, x ?: break) |
| } |
| } |
| // FILE: 2.kt |
| fun box(): String { |
| var res = "" |
| listOf("O", null, "K").forEachNotNull("|") { a, b -> |
| res += a + b |
| } |
| if (res != "|O|K") return res |
| res = "" |
| |
| listOf("O", null, "K").forEachUntilNull("|") { a, b -> |
| res += a + b |
| } |
| if (res != "|O") return res |
| return "OK" |
| } |
