lib/irb/extend-command.rb in irb-1.2.9 vs lib/irb/extend-command.rb in irb-1.3.0

@@ -175,12 +175,12 @@
             args = (1..(arity < 0 ? ~arity : arity)).map {|i| "arg" + i.to_s }
             args << "*opts" if arity < 0
             args << "&block"
             args = args.join(", ")
             line = __LINE__; eval %[
-              unless self.class.class_variable_defined?(:@@#{cmd_name}_)
-              self.class.class_variable_set(:@@#{cmd_name}_, true)
-                def #{cmd_name}_(\#{args})
+              unless singleton_class.class_variable_defined?(:@@#{cmd_name}_)
+                singleton_class.class_variable_set(:@@#{cmd_name}_, true)
+                def self.#{cmd_name}_(\#{args})
                   ExtendCommand::#{cmd_class}.execute(irb_context, \#{args})
                 end
               end
             ], nil, __FILE__, line
             __send__ :#{cmd_name}_, *opts, &b