# File lib/hashie/extensions/method_access.rb, line 204
      def method_missing(name, *args)
        if args.size == 1 && name.to_s =~ /(.*)=$/
          key = Regexp.last_match[1]
          redefine_method(key) if method?(key) && !already_overridden?(key)
          return self[convert_key(key)] = args.first
        end

        super
      end