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dkomanov/SmartMap.scala

Created May 25, 2020 16:37
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[writing-async-app-in-scala-part-3] smartMap extension
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SmartMap.scala
def smartMap[U](f: T => U)(implicit ec: ExecutionContext): Future[U] =
if (future.isCompleted) {
if (future.value.get.isSuccess)
wrap(f(future.value.get.get))
else
future.asInstanceOf[Future[U]]
} else {
future.map(f)(ec)
}
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