address_list

# File lib/net/imap.rb, line 2922
      def address_list
        token = lookahead
        if token.symbol == T_NIL
          shift_token
          return nil
        else
          result = []
          match(T_LPAR)
          while true
            token = lookahead
            case token.symbol
            when T_RPAR
              shift_token
              break
            when T_SPACE
              shift_token
            end
            result.push(address)
          end
          return result
        end
      end