Scala : week2: implement filter using intersect

1 files changed, 2 insertions, 1 deletions

diff --git a/Scala/funsets/src/main/scala/funsets/FunSets.scala b/Scala/funsets/src/main/scala/funsets/FunSets.scala
index 8b7778d..15a6bfc 100644
--- a/Scala/funsets/src/main/scala/funsets/FunSets.scala
+++ b/Scala/funsets/src/main/scala/funsets/FunSets.scala
@@ -43,7 +43,8 @@ object FunSets {
   /**
    * Returns the subset of `s` for which `p` holds.
    */
-  def filter(s: Set, p: Int => Boolean): Set = (x => s(x) & p(x))
+  //def filter(s: Set, p: Int => Boolean): Set = (x => s(x) & p(x))
+  def filter(s: Set, p: Int => Boolean): Set = intersect(s, p)
 
   /**
    * The bounds for `forall` and `exists` are +/- 1000.