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13 lines
579 B
Kotlin
13 lines
579 B
Kotlin
// !DIAGNOSTICS: -UNUSED_PARAMETER
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tailRecursive fun withWhen(counter : Int, d : Any, x : Any) : Int =
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when (counter) {
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0 -> counter
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1, 2 -> withWhen(counter - 1, "1,2", "tail")
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in 3..49 -> withWhen(counter - 1, "3..49", "tail")
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50 -> 1 + <!NON_TAIL_RECURSIVE_CALL!>withWhen<!>(counter - 1, "50", "no tail")
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!in 0..50 -> withWhen(counter - 1, "!0..50", "tail")
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else -> withWhen(counter - 1, "else", "tail")
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}
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fun box() : String = if (withWhen(100000, "test", "test") == 1) "OK" else "FAIL" |