digest_path_from_template

# File actionview/lib/action_view/helpers/cache_helper.rb, line 248
      def digest_path_from_template(template) # :nodoc:
        digest = Digestor.digest(name: template.virtual_path, format: template.format, finder: lookup_context, dependencies: view_cache_dependencies)

        if digest.present?
          "#{template.virtual_path}:#{digest}"
        else
          template.virtual_path
        end
      end