diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/library/scala/collection/immutable/HashMap.scala | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/library/scala/collection/immutable/HashMap.scala b/src/library/scala/collection/immutable/HashMap.scala index 1508185336..cdb2b71884 100644 --- a/src/library/scala/collection/immutable/HashMap.scala +++ b/src/library/scala/collection/immutable/HashMap.scala @@ -359,6 +359,8 @@ object HashMap extends ImmutableMapFactory[HashMap] with BitOperations.Int { new HashTrieMap(bitmapNew, elemsNew, sizeNew) } else HashMap.empty[A,B] + } else if(elems.length == 1 && !subNew.isInstanceOf[HashTrieMap[_,_]]) { + subNew } else { val elemsNew = new Array[HashMap[A,B]](elems.length) Array.copy(elems, 0, elemsNew, 0, elems.length) |