capttwinky · October 16, 2012 15:27
diff --git a/powerSet.scala b/powerSet.scala
 def powerSet[A](s: Set[A]) =
    s.foldLeft(Set(Set.empty[A])) {
      (set, element) =>
        set union (set map (_ + element))
    }
	def powerSet[A](s: Set[A]) =
	s.foldLeft(Set(Set.empty[A])) {
	(set, element) =>
	set union (set map (_ + element))
	}