Re: Optional Parms in Sub Procedure

But then they are not return values and you have broken the unwritten rule of "Only the variable to the left of the = sign can be changed" and to me that is important.


On 2013-09-20, at 3:27 PM, Rory Hewitt <rory.hewitt@xxxxxxxxx> wrote:

Sorry Jon, I think of it as a solution in search of a problem. I never had
an issue with large parameters (mainly because I passed them as parameters
rather than as return values). I would rather then RPG budget have been
spent elsewhere...


On Fri, Sep 20, 2013 at 11:46 AM, Jon Paris <jon.paris@xxxxxxxxxxxxxx>wrote:

"nonsense" ?

Sorry - don't agree Rory - it is a terrific feature and can provide a huge
performance boost.

And if you "do it right" and use RTNPARM there is no problem - at least
within RPG.


On 2013-09-20, at 2:33 PM, Rory Hewitt <rory.hewitt@xxxxxxxxx> wrote:

...and let's not forget that RTNPARM nonsense, which can mess things up
further...


On Fri, Sep 20, 2013 at 11:00 AM, Scott Klement
<rpg400-l@xxxxxxxxxxxxxxxx>wrote:

Yes, use %PARMS

If you're on 7.1, you can use it in conjunction with %PARMNUM, too.

if %PARMS >= %PARMNUM(MyParameter);
// parm was passed
endif;

on older releases you have to know the parameter number.

if %PARMS >= 5;
// parm number 5 was passed.
endif;


On 9/20/2013 12:44 PM, Jeff Young wrote:

All,
In a sub procedure, I have some parms defined as *nopass.
How do I test the number of parms passed to it?
Can I use %Parms?

Thanks,

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