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On 2012-05-01, at 1:00 PM, midrange-l-request@xxxxxxxxxxxx wrote:
Does COBOL/400 or COBOL /ILE support user-defined functions in any fashion (like RPG and all other modern languages)?
No - not currently to the best of my knowledge.
For example,
Move DayOfWeek(Date-input) to print-line
Where DayOfWeek is a user-defined function returning "Monday" or "Tuesday" or etc.
If not, why not?
There is the notion of User Defined functions in the ANSI 2002 standard but as of 2010 IBM had not implemented it even on the mainframe. Don't know if it has happened since.
Why not? Most seem happy to just use a CALL interface and the IBM i COBOL supports return values.
It used to be that ANSI compliance was essential to be able to bid on government contracts but that requirement seems to have evaporated. With that it became more a question of business justification.
And any more discussion should be on the COBOL list or "He who must be obeyed" will descend upon our heads.
Jon Paris
www.partner400.com
www.SystemiDeveloper.com
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