add () args to toBits

1 files changed, 1 insertions, 1 deletions

diff --git a/src/main/scala/Core.scala b/src/main/scala/Core.scala
index 89a6092e..a67c5046 100644
--- a/src/main/scala/Core.scala
+++ b/src/main/scala/Core.scala
@@ -350,7 +350,7 @@ abstract class Data(dirArg: Direction) extends Id {
     }
     wire.asInstanceOf[this.type]
   }
-  def toBits: Bits = {
+  def toBits(): Bits = {
     val elts = this.flatten
     Cat(elts.head, elts.tail:_*)
   }