Zalim Bashorov
32 lines
643 B
Kotlin
32 lines
643 B
Kotlin
import java.util.*
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class ArrayWrapper<T>() {
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val contents = ArrayList<T>()
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fun add(item: T) {
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contents.add(item)
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}
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fun minus(): ArrayWrapper<T> {
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val result = ArrayWrapper<T>()
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result.contents.addAll(contents)
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var i = contents.size();
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for (a in contents) {
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result.contents[--i] = a;
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}
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return result
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}
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fun get(index: Int): T {
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return contents.get(index)
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}
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}
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fun box(): String {
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val v1 = ArrayWrapper<String>()
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v1.add("foo")
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v1.add("bar")
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val v2 = -v1
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return if (v2[0] == "bar" && v2[1] == "foo") "OK" else "fail"
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}
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