* lib/date.rb (once): use Object#object_id instead of Symbol#to_i.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@16394 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,7 @@
+Mon May 12 22:23:01 2008  Tanaka Akira  <akr@fsij.org>
+
+	* lib/date.rb (once): use Object#object_id instead of Symbol#to_i.
+
 Mon May 12 21:34:46 2008  NAKAMURA Usaku  <usa@ruby-lang.org>
 
 	* test/ruby/envutil.rb (rubybin): return expanded rubyexe instead of

lib/date.rb

@@ -1104,10 +1104,10 @@ class Date
     def once(*ids) # :nodoc: -- restricted
       for id in ids
 	module_eval <<-"end;"
-	  alias_method :__#{id.to_i}__, :#{id.to_s}
-	  private :__#{id.to_i}__
+	  alias_method :__#{id.object_id}__, :#{id.to_s}
+	  private :__#{id.object_id}__
 	  def #{id.to_s}(*args)
-	    @__ca__[#{id.to_i}] ||= __#{id.to_i}__(*args)
+	    @__ca__[#{id.object_id}] ||= __#{id.object_id}__(*args)
 	  end
 	end;
       end