Re: Explanation

[Rory Hewitt <rory.hewitt@xxxxxxxxx>]

Kurt,

FWIW, when I've hit anything like this scenario, I save a copy of the DS in
the caller prior to the call and then copy back in the subfields I want to
remain unchanged. I assume that's probably what you're doing here.

Rory

On Mon, Jun 18, 2012 at 12:52 PM, Scott Klement
<rpg400-l@xxxxxxxxxxxxxxxx>wrote:

> Hi Kurt,
>
> Yeah, we've gone off on a tangent from your original question.
>
> As others have already explained, with regard to your original question,
> you either have to mark the parameter (i.e. the entire data structure)
> as const or not const.
>
> Passing the changable field in a separate parameter is about your only
> option.
>
> FWIW -- I don't know of any programming language (Java, PHP, C, C++,
> etc) where you can pass a whole data structure (or object) so that the
> called routine can change some parts but not others.
>
> Sorry for any confusion, though... we went off on a tangent discussing
> the "const and I really meant it" idea.
>
> Good luck to you.