Dissecando coroutines 6

// define uma função para criar um future
// exemplo de uso:
// val stringFuture = future { “yay” }
// println(stringFuture.get())
fun <T> future(context: CoroutineContext = CommonPool, block: suspend () -> T): CompletableFuture<T> =
 CompletableFutureCoroutine<T>(context).also {
 block.startCoroutine(completion = it)
 }
 
class CompletableFutureCoroutine<T>(override val context: CoroutineContext) : CompletableFuture<T>(), Continuation<T> {
 override fun resume(value: T) {
 complete(value)
 }
 override fun resumeWithException(exception: Throwable) {
 completeExceptionally(exception)
 }
}