Yan Zhulanow
29 lines
625 B
Kotlin
Vendored
29 lines
625 B
Kotlin
Vendored
import kotlin.reflect.KProperty
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public open class TestDelegate<T: Any>(private val initializer: () -> T) {
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private var value: T? = null
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operator open fun getValue(thisRef: Any?, desc: KProperty<*>): T {
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if (value == null) {
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value = initializer()
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}
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return value!!
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}
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operator open fun setValue(thisRef: Any?, desc: KProperty<*>, svalue : T) {
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value = svalue
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}
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}
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class A {}
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class B {}
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public val A.s: String by TestDelegate( {"OK2"})
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public val B.s: String by TestDelegate( {"OK"})
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fun box() : String {
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if (A().s != "OK2") return "fail1"
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return B().s
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}
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