Zalim Bashorov
30 lines
721 B
Kotlin
30 lines
721 B
Kotlin
package foo
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trait WithNumber {
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var number: Int
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}
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class IncNumber(val inc: Int) {
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fun get(withNumber: WithNumber, property: PropertyMetadata): Int {
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return withNumber.number + inc;
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}
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fun set(withNumber: WithNumber, property: PropertyMetadata, value: Int) {
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withNumber.number = value;
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}
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}
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class A : WithNumber {
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override var number: Int = 5
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var nextNumber by IncNumber(3)
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}
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fun box(): String {
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if (A().nextNumber != 8) return "A().nextNumber != 8, it: ${A().nextNumber}"
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val a = A()
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a.nextNumber = 10;
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if (a.number != 10) return "a.number != 10, it: " + a.number
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if (a.nextNumber != 13) return "a.nextNumber != 13, it: " + a.nextNumber
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return "OK"
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}
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