diff options
| -rw-r--r-- | src/library/scala/Stream.scala | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/library/scala/Stream.scala b/src/library/scala/Stream.scala index f22e76bcbb..07213cba8e 100644 --- a/src/library/scala/Stream.scala +++ b/src/library/scala/Stream.scala @@ -237,9 +237,12 @@ trait Stream[+A] extends Seq.Projection[A] { len } - /** returns length - l without calling length + /** Returns + * - (length - l) if l >= length + * - 1 otherwise + * This method does not call Stream.length. */ - override def lengthCompare(l: Int) = { + final override def lengthCompare(l: Int) = { if (isEmpty) 0 - l else if (l <= 0) 1 else tail.lengthCompare(l - 1) |