Adds isDefinedAt to Function1. As a consequence,

code that mixes in PartialFunction now have to
define isDefinedAt as override.

Fixes #2225.

1 files changed, 2 insertions, 2 deletions

diff --git a/src/swing/scala/swing/Reactions.scala b/src/swing/scala/swing/Reactions.scala
index dc7cb2d2f1..fbb20ada9f 100644
--- a/src/swing/scala/swing/Reactions.scala
+++ b/src/swing/scala/swing/Reactions.scala
@@ -19,7 +19,7 @@ object Reactions {
 
   class Impl extends Reactions {
     private val parts: Buffer[Reaction] = new ListBuffer[Reaction]
-    def isDefinedAt(e: Event) = parts.exists(_ isDefinedAt e)
+    override def isDefinedAt(e: Event) = parts.exists(_ isDefinedAt e)
     def += (r: Reaction): this.type = { parts += r; this }
     def -= (r: Reaction): this.type = { parts -= r; this }
     def apply(e: Event) {
@@ -36,7 +36,7 @@ object Reactions {
 
   class Wrapper(listener: Any)(r: Reaction) extends Reaction with StronglyReferenced with Proxy {
     def self = listener
-    def isDefinedAt(e: Event) = r.isDefinedAt(e)
+    override def isDefinedAt(e: Event) = r.isDefinedAt(e)
     def apply(e: Event) { r(e) }
   }
 }