Ilya Matveev
18 lines
273 B
Kotlin
18 lines
273 B
Kotlin
interface A {
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fun foo(): Any = "A"
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}
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interface B : A {
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override fun foo(): String = "B"
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}
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class C : B
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fun box(): String {
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val c = C()
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val b: B = c
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val a: A = c
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var r = c.foo() + b.foo() + a.foo()
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return if (r == "BBB") "OK" else "Fail: $r"
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}
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