From 639ce2f29dfded08e27d5e909b85b653a1567e51 Mon Sep 17 00:00:00 2001 From: Iulian Dragos Date: Mon, 19 May 2008 12:25:27 +0000 Subject: Added documentation for lengthCompare, fixed ta... Added documentation for lengthCompare, fixed tail recursive method. --- src/library/scala/Stream.scala | 7 +++++-- 1 file 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) -- cgit v1.2.3