Roman Artemev
20 lines
482 B
Kotlin
Vendored
20 lines
482 B
Kotlin
Vendored
// TARGET_BACKEND: JVM
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// WITH_RUNTIME
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// !USE_EXPERIMENTAL: kotlin.experimental.ExperimentalTypeInference
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import kotlin.experimental.ExperimentalTypeInference
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fun <E> produce(@BuilderInference block: Derived<E>.() -> Unit): E = null as E
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interface Derived<in E> : Base<E>
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interface Base<in E>
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interface Receiver<out E>
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fun <E, C : Base<E>> Receiver<E>.toChannel(destination: C): C = null as C
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fun <R> foo(r: Receiver<R>): R = produce { r.toChannel(this) }
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fun box() = "OK"
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