gistfile1.scala

package util

object FutureOption {
  implicit class WithFutureOption[A](self: Future[Option[A]]) {
    def flatMapOption[T](e: => Exception)(f: A => Future[T]): Future[T] = {
      self flatMap {
        _ map f getOrElse Future.failed(e)
      }
    }

    def mapOption[T](e: => Exception)(f: A => T): Future[T] = {
      self map {
        _ map f getOrElse (throw e)
      }
    }
  }
}