Roman Artemev
12 lines
191 B
Kotlin
Vendored
12 lines
191 B
Kotlin
Vendored
open class A {
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fun f(): String =
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when (this) {
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is B -> x
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else -> "FAIL"
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}
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}
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class B(val x: String) : A()
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fun box() = B("OK").f()
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