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On 2011/4/12 5:54 PM, sjl wrote:
...
Other than hitting the RPG/400 compiler limits on the number of arrays,
tables, and files (which necessitates converting the program to RPGIV in
order for it to compile successfully), she wants me to present five
compelling reasons to justify the use of RPGIV, particularly free-form RPGIV
code.
...
I don't think anyone has mentioned the benefits of prototyped parameters
yet. I have found this to be a compelling argument, since pretty much
every RPG/400 programmer has suffered through nasty debugging sessions
due to parameter-mismatch.
The ability to call using prototypes can reduce the errors caused by
coding calls incorrectly. One of the most common sources of
difficult-to-debug errors comes from a mismatch in parameters between a
program and its caller. Using the same prototype for both the *ENTRY
parameters of the program and for making the call to the program can
eliminate this problem. An additional benefit is that in some cases,
the parameters as passed do not have to match exactly, saving the
declaration of many temporary variables required for passing parameters.
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