* lib/set.rb (Set#freeze, taint, untaint): Save a "self" by

  utilizing super returning self, and add tests while at it.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41022 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 3 insertions, 6 deletions

diff --git a/lib/set.rb b/lib/set.rb
index cc7542f223..a9aa7e7936 100644
--- a/lib/set.rb
+++ b/lib/set.rb
@@ -99,21 +99,18 @@ class Set
   end
 
   def freeze    # :nodoc:
-    super
     @hash.freeze
-    self
+    super
   end
 
   def taint     # :nodoc:
-    super
     @hash.taint
-    self
+    super
   end
 
   def untaint   # :nodoc:
-    super
     @hash.untaint
-    self
+    super
   end
 
   # Returns the number of elements.