Evgeniy.Zhelenskiy
21 lines
517 B
Kotlin
Vendored
21 lines
517 B
Kotlin
Vendored
// WITH_STDLIB
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// WORKS_WHEN_VALUE_CLASS
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// LANGUAGE: +ValueClasses
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OPTIONAL_JVM_INLINE_ANNOTATION
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value class WrappingInt(val value: Int) {
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operator fun inc(): WrappingInt = plus(1)
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operator fun plus(num: Int): WrappingInt = WrappingInt((value + num) and 0xFFFF)
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}
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fun box(): String {
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var x = WrappingInt(65535)
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x++
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if (x.value != 0) throw AssertionError("x++: ${x.value}")
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var y = WrappingInt(65535)
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++y
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if (y.value != 0) throw AssertionError("++y: ${y.value}")
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return "OK"
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} |