gcc/m2/gm2-libs-iso/IOResult.def

   1 (* Library module defined by the International Standard
   2    Information technology - programming languages
   3    BS ISO/IEC 10514-1:1996E Part 1: Modula-2, Base Language.
   4
   5    Copyright ISO/IEC (International Organization for Standardization
   6    and International Electrotechnical Commission) 1996-2021.
   7
   8    It may be freely copied for the purpose of implementation (see page
   9    707 of the Information technology - Programming languages Part 1:
  10    Modula-2, Base Language.  BS ISO/IEC 10514-1:1996).  *)
  11
  12 DEFINITION MODULE IOResult;
  13
  14   (* Read results for specified channels *)
  15
  16 IMPORT IOConsts, IOChan;
  17
  18 TYPE
  19   ReadResults = IOConsts.ReadResults;
  20
  21   (*
  22     ReadResults =  (* This type is used to classify the result of an input operation *)
  23     (
  24       notKnown,    (* no read result is set *)
  25       allRight,    (* data is as expected or as required *)
  26       outOfRange,  (* data cannot be represented *)
  27       wrongFormat, (* data not in expected format *)
  28       endOfLine,   (* end of line seen before expected data *)
  29       endOfInput   (* end of input seen before expected data *)
  30     );
  31   *)
  32
  33 PROCEDURE ReadResult (cid: IOChan.ChanId): ReadResults;
  34   (* Returns the result for the last read operation on the channel cid. *)
  35
  36 END IOResult.
  37