def form_for(record_or_name_or_array, *args, &proc)
        raise ArgumentError, "Missing block" unless block_given?
        options = args.extract_options!
        case record_or_name_or_array
        when String, Symbol
          object_name = record_or_name_or_array
        when Array
          object = record_or_name_or_array.last
          object_name = ActionController::RecordIdentifier.singular_class_name(object)
          apply_form_for_options!(record_or_name_or_array, options)
          args.unshift object
        else
          object = record_or_name_or_array
          object_name = ActionController::RecordIdentifier.singular_class_name(object)
          apply_form_for_options!([object], options)
          args.unshift object
        end
        concat(form_tag(options.delete(:url) || {}, options.delete(:html) || {}))
        fields_for(object_name, *(args << options), &proc)
        concat('</form>')
      end