diff options
| -rw-r--r-- | src/library/scala/List.scala | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/src/library/scala/List.scala b/src/library/scala/List.scala index 2486aac041..0198813914 100644 --- a/src/library/scala/List.scala +++ b/src/library/scala/List.scala @@ -523,12 +523,8 @@ sealed abstract class List[+A] extends Seq[A] { /** Appends two list objects. */ - override def ++[B >: A](that: Iterable[B]): List[B] = { - val buf = new ListBuffer[B] - this copyToBuffer buf - that copyToBuffer buf - buf.toList - } + override def ++[B >: A](that: Iterable[B]): List[B] = + this ::: that.toList /** Reverse the given prefix and append the current list to that. * This function is equivalent to an application of <code>reverse</code> |