each_element

# File actionpack/lib/action_controller/metal/strong_parameters.rb, line 678
      def each_element(object)
        case object
        when Array
          object.grep(Parameters).map { |el| yield el }.compact
        when Parameters
          if object.fields_for_style?
            hash = object.class.new
            object.each { |k,v| hash[k] = yield v }
            hash
          else
            yield object
          end
        end
      end