Alexander Udalov
9 lines
236 B
Kotlin
9 lines
236 B
Kotlin
class List<T>(val head: T, val tail: List<T>? = null)
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fun <T> List<T>.mapHead(f: (T)-> T): List<T> = List<T>(f(head), null)
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fun box() : String {
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val a: Int = List<Int>(1).mapHead{it * 2}.head
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System.out?.println(a)
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return "OK"
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} |