Added missing string prefixes for names of map ...

Added missing string prefixes for names of map and set collection
classes.

1 files changed, 2 insertions, 0 deletions

diff --git a/src/library/scala/collection/immutable/TreeMap.scala b/src/library/scala/collection/immutable/TreeMap.scala
index 5543e1cba3..f1d80cfa14 100644
--- a/src/library/scala/collection/immutable/TreeMap.scala
+++ b/src/library/scala/collection/immutable/TreeMap.scala
@@ -152,6 +152,8 @@ class TreeMap[A, +B](override val size: Int, t: RedBlack[A]#Tree[B])(implicit va
   override def toStream: Stream[(A, B)] = tree.toStream
 
   override def foreach[U](f : ((A,B)) =>  U) = tree foreach { case (x, y) => f(x, y) }
+
+  override def stringPrefix: String = "TreeMap"
 }