expire_action

# File actionpack/lib/action_controller/caching/actions.rb, line 71
        def expire_action(options = {})
          return unless cache_configured?

          if options[:action].is_a?(Array)
            options[:action].dup.each do |action|
              expire_fragment(ActionCachePath.path_for(self, options.merge({ :action => action }), false))
            end
          else
            expire_fragment(ActionCachePath.path_for(self, options, false))
          end
        end