Erokhin Stanislav
31 lines
509 B
Kotlin
31 lines
509 B
Kotlin
package foo
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class D
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open class A
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open class B: A()
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open class C: B()
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fun box(): String {
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val a: Any = A()
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val b: Any = B()
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val c: Any = C()
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if (a !is A) return "a !is A"
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val t = a is A
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if (!t) return "t = a is A; t != true"
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if (b !is A) return "b !is A"
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if (b !is B) return "b !is B"
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if (c !is A) return "c !is A"
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if (c !is B) return "c !is B"
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if (c !is C) return "c !is C"
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if (a is D) return "a is D"
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if (b is D) return "b is D"
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return "OK"
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} |