From 511cc6c5c5fb086840922210f0e7ad5b9b944746 Mon Sep 17 00:00:00 2001
From: Andrew Waterman <waterman@cs.berkeley.edu>
Date: Tue, 6 Sep 2016 23:36:41 -0700
Subject: [PATCH] Evaluate arg to Boolean.option lazily

---
 src/main/scala/rocket/util.scala | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main/scala/rocket/util.scala b/src/main/scala/rocket/util.scala
index 54eaf6e3..7f810d2a 100644
--- a/src/main/scala/rocket/util.scala
+++ b/src/main/scala/rocket/util.scala
@@ -30,7 +30,7 @@ object Util {
     def toInt: Int = if (x) 1 else 0
 
     // this one's snagged from scalaz
-    def option[T](z: T): Option[T] = if (x) Some(z) else None
+    def option[T](z: => T): Option[T] = if (x) Some(z) else None
   }
 }