class Set has include?0 and member? but not ===
Please apply.


Index: set.rb
===================================================================
RCS file: /src/ruby/lib/set.rb,v
retrieving revision 1.29
diff -u -r1.29 set.rb
--- set.rb	4 Jul 2005 10:31:44 -0000	1.29
+++ set.rb	18 Aug 2006 18:03:04 -0000
@@ -153,7 +153,7 @@
     @hash.include?(o)
   end
   alias member? include?
-
+  alias === include?
   # Returns true if the set is a superset of the given set.
   def superset?(set)
     set.is_a?(Set) or raise ArgumentError, "value must be a set"