Made Vector the standard impl of IndexedSeq.

2 files changed, 3 insertions, 3 deletions

diff --git a/src/library/scala/collection/immutable/IndexedSeq.scala b/src/library/scala/collection/immutable/IndexedSeq.scala
index 976ed61a65..3f29052808 100644
--- a/src/library/scala/collection/immutable/IndexedSeq.scala
+++ b/src/library/scala/collection/immutable/IndexedSeq.scala
@@ -37,5 +37,5 @@ object IndexedSeq extends SeqFactory[IndexedSeq] {
     def apply(idx: Int) = buf.apply(idx)
   }
   implicit def canBuildFrom[A]: CanBuildFrom[Coll, A, IndexedSeq[A]] = new GenericCanBuildFrom[A]
-  def newBuilder[A]: Builder[A, IndexedSeq[A]] = new ArrayBuffer[A] mapResult (buf => new Impl(buf))
+  def newBuilder[A]: Builder[A, IndexedSeq[A]] = Vector.newBuilder[A]
 }
diff --git a/src/library/scala/collection/immutable/Vector.scala b/src/library/scala/collection/immutable/Vector.scala
index 0da702f508..6defe66d6f 100644
--- a/src/library/scala/collection/immutable/Vector.scala
+++ b/src/library/scala/collection/immutable/Vector.scala
@@ -34,9 +34,9 @@ object Vector extends SeqFactory[Vector] {
 // be carefully chosen to not prevent method inlining
 
 @serializable
-final class Vector[+A](startIndex: Int, endIndex: Int, focus: Int) extends Seq[A]
+final class Vector[+A](startIndex: Int, endIndex: Int, focus: Int) extends IndexedSeq[A]
                  with GenericTraversableTemplate[A, Vector]
-                 with SeqLike[A, Vector[A]]
+                 with IndexedSeqLike[A, Vector[A]]
                  with VectorPointer[A @uncheckedVariance] { self =>
 
 override def companion: GenericCompanion[Vector] = Vector