Alexander Udalov
35 lines
493 B
Kotlin
Vendored
35 lines
493 B
Kotlin
Vendored
// FILE: lib.kt
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var result = ""
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interface Left
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interface Right
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class Bottom : Left, Right
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interface A<T> {
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fun f(): T? {
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result = "A"
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return null
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}
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}
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interface B<T : Left> : A<T> {
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override fun f(): T? {
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result = "B"
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return null
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}
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}
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abstract class C<T> : A<T>
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abstract class D<T : Right> : C<T>()
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// FILE: box.kt
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class Z : D<Bottom>(), B<Bottom>
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fun box(): String {
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Z().f()
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return if (result == "B") "OK" else "Fail: $result"
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}
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