# File lib/rbot/ircsocket.rb, line 120
    def next
      if empty?
        warning "trying to access empty ring"
        return nil
      end
      save_idx = @last_idx
      @last_idx = (@last_idx + 1) % @storage.size
      mess = @storage[@last_idx][1].first
      @last_idx = save_idx
      return mess
    end