Ilya Matveev
25 lines
641 B
Kotlin
25 lines
641 B
Kotlin
fun myEquals(a: Double?, b: Double?) = a == b
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fun myEquals1(a: Double?, b: Double) = a == b
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fun myEquals2(a: Double, b: Double?) = a == b
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fun myEquals0(a: Double, b: Double) = a == b
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fun box(): String {
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if (!myEquals(null, null)) return "fail 1"
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if (myEquals(null, 0.0)) return "fail 2"
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if (myEquals(0.0, null)) return "fail 3"
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if (!myEquals(0.0, 0.0)) return "fail 4"
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if (myEquals1(null, 0.0)) return "fail 5"
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if (!myEquals1(0.0, 0.0)) return "fail 6"
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if (myEquals2(0.0, null)) return "fail 7"
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if (!myEquals2(0.0, 0.0)) return "fail 8"
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if (!myEquals0(0.0, 0.0)) return "fail 9"
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return "OK"
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} |