From b334c46f0639d231ab6a26c07d4d64007bfd88a3 Mon Sep 17 00:00:00 2001
From: John Benediktsson <mrjbq7@gmail.com>
Date: Sun, 7 Apr 2013 13:09:20 -0700
Subject: [PATCH] hash-sets: use map-into in members.

---
 basis/hash-sets/wrapped/wrapped.factor | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/basis/hash-sets/wrapped/wrapped.factor b/basis/hash-sets/wrapped/wrapped.factor
index b70b7da618..76dc893edc 100644
--- a/basis/hash-sets/wrapped/wrapped.factor
+++ b/basis/hash-sets/wrapped/wrapped.factor
@@ -40,7 +40,7 @@ M: wrapped-hash-set cardinality
     underlying>> cardinality ; inline
 
 M: wrapped-hash-set members
-    underlying>> members [ underlying>> ] map ;
+    underlying>> members [ underlying>> ] map! ;
 
 M: wrapped-hash-set equal?
     over wrapped-hash-set? [ [ underlying>> ] same? ] [ 2drop f ] if ;