method

sweep

v3.2.13 - Show latest stable - Class: ActionDispatch::Flash::FlashHash

sweep()

public

Mark for removal entries that were kept, and delete unkept ones.

This method is called automatically by filters, so you generally don’t need to care about it.

# File actionpack/lib/action_dispatch/middleware/flash.rb, line 180
      def sweep #:nodoc:
        keys.each do |k|
          unless @used.include?(k)
            @used << k
          else
            delete(k)
            @used.delete(k)
          end
        end

        # clean up after keys that could have been left over by calling reject! or shift on the flash
        (@used - keys).each{ |k| @used.delete(k) }
      end

sweep

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