14 lines
173 B
Kotlin
14 lines
173 B
Kotlin
interface A<T> {
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var v: T
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}
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class B : A<String> {
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override var v: String = "Fail"
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}
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fun box(): String {
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val a: A<String> = B()
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a.v = "OK"
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return a.v
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}
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