Andrey Breslav
10 lines
221 B
Kotlin
10 lines
221 B
Kotlin
enum class List<out T>(val size : Int) {
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Nil : List<Nothing>(0)
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}
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fun List<String>.join() =
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when (this) {
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List.Nil -> "[]" // CANNOT_CHECK_FOR_ERASED was reported
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else -> ""
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}
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