method

sweep

v2.2.1 - Show latest stable - 0 notes - Class: ActionController::Flash::FlashHash

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What's this?

sweep(#:nodoc:) 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_controller/flash.rb, line 108
      def sweep #:nodoc:
        keys.each do |k| 
          unless @used[k]
            use(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 - keys).each{ |k| @used.delete(k) }
      end

sweep

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