| (* Library module defined by the International Standard |
| Information technology - programming languages |
| BS ISO/IEC 10514-1:1996E Part 1: Modula-2, Base Language. |
| |
| Copyright ISO/IEC (International Organization for Standardization |
| and International Electrotechnical Commission) 1996-2021. |
| |
| It may be freely copied for the purpose of implementation (see page |
| 707 of the Information technology - Programming languages Part 1: |
| Modula-2, Base Language. BS ISO/IEC 10514-1:1996). *) |
| |
| DEFINITION MODULE IOConsts; |
| |
| (* Types and constants for input/output modules *) |
| |
| TYPE |
| ReadResults = (* This type is used to classify the result of an input operation *) |
| ( |
| notKnown, (* no read result is set *) |
| allRight, (* data is as expected or as required *) |
| outOfRange, (* data cannot be represented *) |
| wrongFormat, (* data not in expected format *) |
| endOfLine, (* end of line seen before expected data *) |
| endOfInput (* end of input seen before expected data *) |
| ); |
| |
| END IOConsts. |
| |
