From 7ecfc0b8f8a3b7fd4dbf14b34453ae62e5fc5482 Mon Sep 17 00:00:00 2001
From: Mark Harrah <dmharrah@gmail.com>
Date: Fri, 2 Jul 2010 06:57:03 -0400
Subject: [PATCH] discovery, persistence, frontend, and various fixes to
 incremental

---
 util/collection/Relation.scala | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/util/collection/Relation.scala b/util/collection/Relation.scala
index ab31cdd06..ed6046f6e 100644
--- a/util/collection/Relation.scala
+++ b/util/collection/Relation.scala
@@ -96,5 +96,5 @@ private final class MRelation[A,B](fwd: Map[A, Set[B]], rev: Map[B, Set[A]]) ext
 
 	private[this] def get[X,Y](map: M[X,Y], t: X): Set[Y] = map.getOrElse(t, Set.empty[Y])
 	
-	override def toString = all.mkString("Relation [", ", ", "]")
+	override def toString = all.map { case (a,b) => a + " -> " + b }.mkString("Relation [", ", ", "]")
 }
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