Zalim Bashorov
37 lines
767 B
Kotlin
37 lines
767 B
Kotlin
package foo
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trait A
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trait B : A
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trait C : A
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trait D : B, C
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trait E : C
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open class CB : B
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class CB2 : CB()
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class CD : D
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fun testPhrase(o: Any): String {
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var s = ""
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s += if (o is A) "Y" else "N"
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s += if (o is B) "Y" else "N"
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s += if (o is C) "Y" else "N"
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s += if (o is D) "Y" else "N"
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s += if (o is E) "Y" else "N"
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return s
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}
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fun box(): String {
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val b = CB()
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val b2 = CB2()
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val d = CD()
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val e = object : E {
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}
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if (testPhrase(b) != "YYNNN") return "bad b, it: ${testPhrase(b)}"
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if (testPhrase(b2) != "YYNNN") return "bad b2, it: ${testPhrase(b2)}"
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if (testPhrase(d) != "YYYYN") return "bad d, it: ${testPhrase(d)}"
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if (testPhrase(e) != "YNYNY") return "bad e, it: ${testPhrase(e)}"
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return "OK"
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} |