Denis Zharkov
19 lines
458 B
Kotlin
Vendored
19 lines
458 B
Kotlin
Vendored
import java.util.*
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open class Content() {
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override fun toString() = "OK"
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}
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interface ContentBox<T : Content> : List<T>
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object Impl : ContentBox<Content> , AbstractList<Content>() {
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override fun get(index: Int) = Content()
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override val size: Int
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get() = throw UnsupportedOperationException()
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}
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class ContentBoxDelegate<T : Content>() : ContentBox<T> by (Impl as ContentBox<T>)
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fun box() = ContentBoxDelegate<Content>()[0].toString()
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