| SecureUser |
| VERBatim - V25 |
| @ATTACK - @Files.System |
| Advanced Revelation Initialisation Sequence (Overview) by Mike Pope |
| REVMEDIA Revisted |
| Reader's Clinic - Functions and Subroutines |
| Reader's Letters - Jim Owen |
| Playing with Scan Codes |
| Argument passing - Subroutines and Functions - Mike Pope |
| QTIPS - Unassigned |
| QTIPS - Guaranteed Variable Assignment |
| Argument passing - Subroutines and Functions - Mike Pope |
| File Variables |
| Argument passing - Subroutines and Functions - Mike Pope |
| RevTech Replies - Mike Pope (RevTech UK Ltd) |
| Symbol Table Structure |
RevMedia FKB
| Document | V2I10A3 |
| Title | QTIPS - Guaranteed Variable Assignment |
| Keywords | UNASSIGNED GUAR_ASSIGN |
| Text | The system function UNASSIGNED (Vol 1 Issue 1) is most often used within a program to trap and assign to null unassigned VARIABLES e g DECLARE FUNCTION UNASSIGNED IF UNASSIGNED(X) THEN X= "" A new system function GUAR_ASSIGN can be used to take the place of the above code Passed a variable it returns the value of the variable if it is assigned or null if it is unassigned i e DECLARE FUNCTION GUAR_ASSIGN X = GUAR_ASSIGN(X) (Volume 2 Issue 10 Page 3) |
Page last modified: 30/01/03