Mikhail Glukhikh
25 lines
488 B
Kotlin
Vendored
25 lines
488 B
Kotlin
Vendored
import kotlin.reflect.KProperty
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val four: Int by NumberDecrypter
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class A {
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val two: Int by NumberDecrypter
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}
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object NumberDecrypter {
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operator fun getValue(instance: Any?, data: KProperty<*>) = when (data.name) {
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"four" -> 4
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"two" -> 2
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else -> throw AssertionError()
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}
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}
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fun box(): String {
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val x = ::four.get()
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if (x != 4) return "Fail x: $x"
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val a = A()
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val y = A::two.get(a)
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if (y != 2) return "Fail y: $y"
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return "OK"
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}
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