diff options
| -rw-r--r-- | src/library/scala/collection/immutable/Stream.scala | 4 | ||||
| -rw-r--r-- | test/files/run/bug4697.check | 1 | ||||
| -rw-r--r-- | test/files/run/bug4697.scala | 8 |
3 files changed, 13 insertions, 0 deletions
diff --git a/src/library/scala/collection/immutable/Stream.scala b/src/library/scala/collection/immutable/Stream.scala index 95ffaf5a3e..5f90202522 100644 --- a/src/library/scala/collection/immutable/Stream.scala +++ b/src/library/scala/collection/immutable/Stream.scala @@ -146,6 +146,10 @@ self => ) else super.++(that)(bf) + override def +:[B >: A, That](elem: B)(implicit bf: CanBuildFrom[Stream[A], B, That]): That = + if (isStreamBuilder(bf)) asThat(cons(elem, this)) + else super.+:(elem)(bf) + /** * Create a new stream which contains all intermediate results of applying the operator * to subsequent elements left to right. diff --git a/test/files/run/bug4697.check b/test/files/run/bug4697.check new file mode 100644 index 0000000000..b9d569380c --- /dev/null +++ b/test/files/run/bug4697.check @@ -0,0 +1 @@ +50005000 diff --git a/test/files/run/bug4697.scala b/test/files/run/bug4697.scala new file mode 100644 index 0000000000..95592172e0 --- /dev/null +++ b/test/files/run/bug4697.scala @@ -0,0 +1,8 @@ +object Test { + var st = Stream(0) + for (i <- 1 to 10000) st = i +: st + + def main(args: Array[String]): Unit = { + println(st.take(10000).sum) + } +} |