each_template

# File actionmailer/lib/action_mailer/base.rb, line 984
      def each_template(paths, name, &block)
        templates = lookup_context.find_all(name, paths)
        if templates.empty?
          raise ActionView::MissingTemplate.new(paths, name, paths, false, "mailer")
        else
          templates.uniq(&:format).each(&block)
        end
      end