Re: Passing Parms

I also like to externally describe the data structure Scott.  Does this
resolve the issues you speak of? 
 
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Booth Martin
http://www.martinvt.com
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-------Original Message-------
 
From: RPG programming on the AS400 / iSeries
Date: 10/27/05 11:02:33
To: RPG programming on the AS400 / iSeries
Subject: Re: Passing Parms
 
> Another thing, which I admit is a foible, is that I prefer to pass a
> data structure and use only one parm. Much easier for maintenance later
> on.
 
Do you also pass the length of the data structure, and make certain that
the called program never exceeds that length?  The only problem I have
with that is that you then have to rely on the caller to pass the correct
length. As soon as someone who doesn't understand passes the wrong length,
you run into problems.
 
I usually find it much easier to maintain if each parm is passed
separately, since I can then just check %parms to see if they were passed.
Now I don't have to rely on the caller.
 
So, why do you think data structures are easier to maintain?