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16 lines
259 B
Kotlin
16 lines
259 B
Kotlin
class A
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class B
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fun box(): String {
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val a = A()
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a as? B
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a as? B ?: "fail"
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if ((A() as? B) != null) return "fail1"
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if ((a as? B) != null) return "fail2"
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val v = a as? B ?: "fail"
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if (v != "fail") return "fail4"
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return "OK"
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} |