diff options
Diffstat (limited to 'src/library')
| -rw-r--r-- | src/library/scala/collection/mutable/MultiMap.scala | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/library/scala/collection/mutable/MultiMap.scala b/src/library/scala/collection/mutable/MultiMap.scala index 8279bd53f8..e335500349 100644 --- a/src/library/scala/collection/mutable/MultiMap.scala +++ b/src/library/scala/collection/mutable/MultiMap.scala @@ -40,7 +40,9 @@ trait MultiMap[A, B] extends Map[A, Set[B]] { def removeBinding(key: A, value: B): this.type = { get(key) match { case None => - case Some(set) => set -= value + case Some(set) => + set -= value + if (set.isEmpty) this -= key } this } |