SI-10113 mutable.TreeMap.range does not work

added missing overrides for TreeMapView

1 files changed, 3 insertions, 0 deletions

diff --git a/src/library/scala/collection/mutable/TreeMap.scala b/src/library/scala/collection/mutable/TreeMap.scala
index dc7d5d750e..14ae7c9c8c 100644
--- a/src/library/scala/collection/mutable/TreeMap.scala
+++ b/src/library/scala/collection/mutable/TreeMap.scala
@@ -180,6 +180,9 @@ sealed class TreeMap[A, B] private (tree: RB.Tree[A, B])(implicit val ordering:
       this
     }
 
+    override def valuesIterator: Iterator[B] = RB.valuesIterator(tree, from, until)
+    override def keysIterator: Iterator[A] = RB.keysIterator(tree, from, until)
+
     override def clone() = super.clone().rangeImpl(from, until)
   }
 }