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| author | Paul Phillips <paulp@improving.org> | 2010-06-01 17:44:33 +0000 |
|---|---|---|
| committer | Paul Phillips <paulp@improving.org> | 2010-06-01 17:44:33 +0000 |
| commit | f3d87c08f6bcdb864e6990194668ad6dc16826a9 (patch) | |
| tree | e2ce1bae13f4e9a62b267884dcb7824329b46388 /src/library/scala/collection/Iterator.scala | |
| parent | 8acca208ae541e44f306a50c210e2626f571332b (diff) | |
| download | scala-f3d87c08f6bcdb864e6990194668ad6dc16826a9.tar.gz scala-f3d87c08f6bcdb864e6990194668ad6dc16826a9.tar.bz2 scala-f3d87c08f6bcdb864e6990194668ad6dc16826a9.zip | |
Make Iterator.toStream be properly lazy.
Diffstat (limited to 'src/library/scala/collection/Iterator.scala')
| -rw-r--r-- | src/library/scala/collection/Iterator.scala | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/library/scala/collection/Iterator.scala b/src/library/scala/collection/Iterator.scala index daa6a59f3b..b8dd03110d 100644 --- a/src/library/scala/collection/Iterator.scala +++ b/src/library/scala/collection/Iterator.scala @@ -1007,6 +1007,9 @@ trait Iterator[+A] extends TraversableOnce[A] { def toTraversable: Traversable[A] = toStream def toIterator: Iterator[A] = self + def toStream: Stream[A] = + if (self.hasNext) Stream.cons(self.next, self.toStream) + else Stream.empty[A] /** Converts this iterator to a string. * @return `"empty iterator"` or `"non-empty iterator"`, depending on whether or not the iterator is empty. |