Added a definition of equals() and hashCode to ...

Added a definition of equals() and hashCode to Enumeration.

1 files changed, 4 insertions, 0 deletions

diff --git a/src/library/scala/Enumeration.scala b/src/library/scala/Enumeration.scala
index 81d956c647..9c91996d23 100644
--- a/src/library/scala/Enumeration.scala
+++ b/src/library/scala/Enumeration.scala
@@ -162,6 +162,10 @@ abstract class Enumeration(initial: Int, names: String*) {
     /** the id and bit location of this enumeration value */
     def id: Int
     override def compare(that: Value): Int = this.id - that.id
+    override def equals(other : Any) : Boolean =
+      other match { case that : Value => compare(that) == 0
+                    case _ => false }
+    override def hashCode : Int = id.hashCode
     /** this enumeration value as an <code>Int</code> bit mask.
      *  @throws IllegalArgumentException if <code>id</code> is greater than 31
      */