link_to (ActionView::Helpers::UrlHelper)

    # File lib/action_view/helpers/url_helper.rb, line 51
          def link_to(name, options = {}, html_options = nil, *parameters_for_method_reference)
            if html_options
              html_options = html_options.stringify_keys
              convert_options_to_javascript!(html_options)
              tag_options = tag_options(html_options)
            else
              tag_options = nil
            end
            url = options.is_a?(String) ? options : self.url_for(options, *parameters_for_method_reference)
            "<a href=\"#{url}\"#{tag_options}>#{name || url}</a>"
          end