Use flatMap instead of map/reduce

1 files changed, 1 insertions, 2 deletions

diff --git a/src/main/scala/Chisel/Core.scala b/src/main/scala/Chisel/Core.scala
index 3dcabbed..dcc33d88 100644
--- a/src/main/scala/Chisel/Core.scala
+++ b/src/main/scala/Chisel/Core.scala
@@ -483,8 +483,7 @@ class Vec[T <: Data](elts: Seq[T])
   }
   override def cloneType: this.type =
     Vec(elt0.cloneType, self.size).asInstanceOf[this.type]
-  override def flatten: IndexedSeq[Bits] =
-    self.map(_.flatten).reduce(_ ++ _)
+  override def flatten: IndexedSeq[Bits] = self.flatMap(_.flatten)
 
   def length: Int = self.size