From 8368c10da3442f5c74ca4c90f5442a1a97b57ea5 Mon Sep 17 00:00:00 2001
From: Andrew Waterman
Date: Thu, 14 Apr 2016 22:57:44 -0700
Subject: Use mkString to clarify and speed up DefPrim emission

---
 src/main/scala/Chisel/internal/firrtl/Emitter.scala | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/main/scala/Chisel/internal/firrtl/Emitter.scala b/src/main/scala/Chisel/internal/firrtl/Emitter.scala
index c2391f97..b690d974 100644
--- a/src/main/scala/Chisel/internal/firrtl/Emitter.scala
+++ b/src/main/scala/Chisel/internal/firrtl/Emitter.scala
@@ -9,7 +9,7 @@ private class Emitter(circuit: Circuit) {
   private def emitPort(e: Port): String =
     s"${e.dir} ${e.id.getRef.name} : ${e.id.toType}"
   private def emit(e: Command, ctx: Component): String = e match {
-    case e: DefPrim[_] => s"node ${e.name} = ${e.op.name}(${e.args.map(_.fullName(ctx)).reduce(_ + ", " + _)})"
+    case e: DefPrim[_] => s"node ${e.name} = ${e.op.name}(${e.args.map(_.fullName(ctx)).mkString(", ")})"
     case e: DefWire => s"wire ${e.name} : ${e.id.toType}"
     case e: DefReg => s"reg ${e.name} : ${e.id.toType}, ${e.clock.fullName(ctx)}"
     case e: DefRegInit => s"reg ${e.name} : ${e.id.toType}, ${e.clock.fullName(ctx)} with : (reset => (${e.reset.fullName(ctx)}, ${e.init.fullName(ctx)}))"
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