Untitled

/*
 * Functor instance for Future to accumulate transformations
 * to be called only when Future#get is invoked.
 */

implicit def FutureFunctor = new Functor[Future] {
  def fmap[A, B](r: Future[A], f: A => B) = new Future[B] {
    def cancel(miir: Boolean) = r.cancel(miir)
    def isCancelled() = r.isCancelled()
    def isDone() = r.isDone()
    def get() = f(r.get())
    def get(ti: Long, tu: TimeUnit) = f(r.get(ti, tu))
  }
}