render

# File actionview/lib/action_view/helpers/tags/check_box.rb, line 17
        def render
          options = @options.stringify_keys
          options["type"]     = "checkbox"
          options["value"]    = @checked_value
          options["checked"] = "checked" if input_checked?(options)

          if options["multiple"]
            add_default_name_and_id_for_value(@checked_value, options)
            options.delete("multiple")
          else
            add_default_name_and_id(options)
          end

          include_hidden = options.delete("include_hidden") { true }
          checkbox = tag("input", options)

          if include_hidden
            hidden = hidden_field_for_checkbox(options)
            hidden + checkbox
          else
            checkbox
          end
        end