blob: fcbb14d97717a5ca9c94b80f9566d91e88de20db [file] [log] [blame]
// !LANGUAGE: +InlineClasses
inline class Result<T>(val a: Any?) {
fun getOrThrow(): T = a as T
}
abstract class ResultReceiver<T> {
abstract fun receive(result: Result<T>)
}
inline fun <T> ResultReceiver(crossinline f: (Result<T>) -> Unit): ResultReceiver<T> =
object : ResultReceiver<T>() {
override fun receive(result: Result<T>) {
f(result)
}
}
fun test() {
var invoked = false
val receiver = ResultReceiver<String> { result ->
val intResult = result.getOrThrow()
invoked = true
}
receiver.receive(Result("42"))
if (!invoked) {
throw RuntimeException("Fail")
}
}
fun box(): String {
test()
return "OK"
}