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| author | Erik Rozendaal <erik@deler.org> | 2011-12-20 00:01:04 +0100 |
|---|---|---|
| committer | Erik Rozendaal <erik@deler.org> | 2011-12-28 13:12:35 +0100 |
| commit | d2706db10c63851e549ef7ce4cbaff364c59fbc3 (patch) | |
| tree | 448ac9aba55b46438808d9e9b43ba738d09349d1 /src/library/scala/collection/immutable/TreeSet.scala | |
| parent | 6c0e0362be6c37ed4531d8cfca15c6e516d5f0f8 (diff) | |
| download | scala-d2706db10c63851e549ef7ce4cbaff364c59fbc3.tar.gz scala-d2706db10c63851e549ef7ce4cbaff364c59fbc3.tar.bz2 scala-d2706db10c63851e549ef7ce4cbaff364c59fbc3.zip | |
Use single shared Empty instance across all RedBlack trees.
Diffstat (limited to 'src/library/scala/collection/immutable/TreeSet.scala')
| -rw-r--r-- | src/library/scala/collection/immutable/TreeSet.scala | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/library/scala/collection/immutable/TreeSet.scala b/src/library/scala/collection/immutable/TreeSet.scala index 8462ae5af3..2e6ba17749 100644 --- a/src/library/scala/collection/immutable/TreeSet.scala +++ b/src/library/scala/collection/immutable/TreeSet.scala @@ -103,7 +103,7 @@ class TreeSet[A](override val size: Int, t: RedBlack.Tree[A, Unit]) def this()(implicit ordering: Ordering[A]) = this(0, null)(ordering) - protected val tree: RedBlack.Tree[A, Unit] = if (size == 0) Empty() else t + protected val tree: RedBlack.Tree[A, Unit] = if (size == 0) Empty.empty else t private def newSet(s: Int, t: RedBlack.Tree[A, Unit]) = new TreeSet[A](s, t) |