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15 lines
361 B
Kotlin
Vendored
15 lines
361 B
Kotlin
Vendored
class A(val x: Int)
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operator fun A.compareTo(other: A) = x.compareTo(other.x)
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fun checkLess(x: A, y: A) = when {
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x >= y -> "Fail $x >= $y"
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!(x < y) -> "Fail !($x < $y)"
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!(x <= y) -> "Fail !($x <= $y)"
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x > y -> "Fail $x > $y"
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x.compareTo(y) >= 0 -> "Fail $x.compareTo($y) >= 0"
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else -> "OK"
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}
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fun box() = checkLess(A(0), A(1))
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