Ilya Matveev
15 lines
235 B
Kotlin
15 lines
235 B
Kotlin
fun <T : Any, R> T.let(f: (T) -> R): R = f(this)
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fun box(): String {
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val o: String? = null
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var state = 0
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o?.let {
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state = 1
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} ?: ({ state = 2 })()
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if (state != 2) return "Fail: $state"
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return "OK"
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}
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