RE: Wrapping a hashmap put method

Pete,

Think you might be missing the point here.

The return value (if any) is always a part of every procedure's signature. No matter what language
you are working in, Java, RPG, C/++, C#, VB.NET whatever.

And no language (or at least the ones above ;) requires you to make use of the value returned by a
procedure. Depending on the compiler, you may get a warning about losing the returned value, but that
is all.

Thus:

someVar = MyProc(someParm)

and

MyProc(someParm)

Are both completely valid no matter what language you are dealing with.

HTH,

Charles Wilt
Software Engineer
CINTAS Corporation - IT 92B
513.701.1307

wiltc@xxxxxxxxxx

-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx [mailto:rpg400-l-bounces@xxxxxxxxxxxx]
On Behalf Of Pete Helgren
Sent: Thursday, April 24, 2008 10:39 PM
To: RPG programming on the AS400 / iSeries
Subject: Re: Wrapping a hashmap put method

Thanks for that Barbara. I was thinking about taking that approach
because I really don't need the return value. I left it that way for my
own clarity.

I could change it and document that the Java prototype needs the return
value to avoid the signature violation but the RPG really doesn't need
it, at least in the application.

Pete

Barbara Morris wrote:

Pete Helgren wrote:

...
The reason I headed down the wrong path I did was that I had originally
prototyped the return value of the method as void because of the way
that I had used it in Java. I had never seen a return value from a put
method.
...
lMap = JMAP_put(peMap:peKey:peValue);
return lMap;
...

Pete, you don't have to receive the return value from your RPG call.
You can ignore the return value by coding the call like this, just as
you sometimes do in Java:
JMAP_put(peMap:peKey:peValue);

(This is irrelevant for your case now, since your RPG procedure does
need the return value from put() for its own return value, but I got the
impression that you originally didn't care about the put() return

value.)

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