instance method superclass_delegating_reader

# File activesupport/lib/active_support/core_ext/class/delegating_attributes.rb, line 8
  def superclass_delegating_reader(*names)
    class_name_to_stop_searching_on = self.superclass.name.blank? ? "Object" : self.superclass.name
    names.each do |name|
      class_eval <<-EOS
      def self.#{name}
        if defined?(@#{name})
          @#{name}
        elsif superclass < #{class_name_to_stop_searching_on} && superclass.respond_to?(:#{name})
          superclass.#{name}
        end
      end
      def #{name}
        self.class.#{name}
      end
      def self.#{name}?
        !!#{name}
      end
      def #{name}?
        !!#{name}
      end
      EOS
    end
  end