expire_action

# File actionpack/lib/action_controller/caching.rb, line 172
      def expire_action(options = {})
        return unless perform_caching
        if options[:action].is_a?(Array)
          options[:action].dup.each do |action|
            expire_fragment(url_for(options.merge({ :action => action })).split("://").last)
          end
        else
          expire_fragment(url_for(options).split("://").last)
        end
      end