each_element

# File actionpack/lib/action_controller/metal/strong_parameters.rb, line 952
      def each_element(object, &block)
        case object
        when Array
          object.grep(Parameters).map { |el| yield el }.compact
        when Parameters
          if object.nested_attributes?
            object.each_nested_attribute(&block)
          else
            yield object
          end
        end
      end