Svetlana Isakova
29 lines
516 B
Kotlin
29 lines
516 B
Kotlin
package a
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//+JDK
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import java.util.*
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fun foo() {
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val v = array(1, 2, 3)
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val u = v map { it * 2 }
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u : List<Int>
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}
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// ---------------------
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// copy from kotlin util
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fun <T> array(vararg t : T) : Array<T> = t
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fun <T, R> Array<T>.map(transform : (T) -> R) : java.util.List<R> {
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return mapTo(java.util.ArrayList<R>(this.size), transform)
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}
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fun <T, R, C: Collection<in R>> Array<T>.mapTo(result: C, transform : (T) -> R) : C {
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for (item in this)
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result.add(transform(item))
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return result
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}
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