Ilya Matveev
25 lines
679 B
Kotlin
25 lines
679 B
Kotlin
fun myNotEquals(a: Double?, b: Double?) = a != b
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fun myNotEquals1(a: Double?, b: Double) = a != b
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fun myNotEquals2(a: Double, b: Double?) = a != b
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fun myNotEquals0(a: Double, b: Double) = a != b
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fun box(): String {
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if (myNotEquals(null, null)) return "fail 1"
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if (!myNotEquals(null, 0.0)) return "fail 2"
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if (!myNotEquals(0.0, null)) return "fail 3"
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if (myNotEquals(0.0, 0.0)) return "fail 4"
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if (!myNotEquals1(null, 0.0)) return "fail 5"
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if (myNotEquals1(0.0, 0.0)) return "fail 6"
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if (!myNotEquals2(0.0, null)) return "fail 7"
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if (myNotEquals2(0.0, 0.0)) return "fail 8"
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if (myNotEquals0(0.0, 0.0)) return "fail 9"
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return "OK"
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} |