From 54fbbb48847b4e98c64bcce37eff2349a594baae Mon Sep 17 00:00:00 2001
From: knu <knu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Tue, 3 Jun 2008 06:04:54 +0000
Subject: [PATCH] Properly back out.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@16773 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 lib/set.rb | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/set.rb b/lib/set.rb
index 662b698b4e..4cba96e9e2 100644
--- a/lib/set.rb
+++ b/lib/set.rb
@@ -258,7 +258,9 @@ class Set
   # Replaces the elements with ones returned by collect().
   def collect!
     block_given? or return enum_for(__method__)
-    replace(collect)
+    set = self.class.new
+    each { |o| set << yield(o) }
+    replace(set)
   end
   alias map! collect!