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  • Subject: RE: Indicator enhancements (was Bale, Dan)
  • From: "Bale, Dan" <DBale@xxxxxxxxxxxxxxxx>
  • Date: Wed, 8 Mar 2000 15:02:22 -0500

Me, I'd just junk the defined constants and use literals in the expression.
That way I don't have to bother looking up the D-specs to see how the
constants are defined.

C              Eval     RtnCode = MyProc( MyParm )
C              Select
C              When     RtnCode = 'ExistingCust'
 * Perform existing customer processing
C              When     RtnCode = 'NewCust'
 * Perform new customer processing
C              When     RtnCode = 'Error'

-----Original Message-----
From: bmorris@ca.ibm.com [mailto:bmorris@ca.ibm.com]
Sent: Wednesday, March 08, 2000 2:12 PM
To: RPG400-L@midrange.com
Subject: Re: Indicator enhancements (was Bale, Dan)

>Date: Tue, 07 Mar 2000 17:07:10 -0600
>From: Gary Guthrie <GaryGuthrie@home.com>
>
> I submit it might be clearer to:
>
>D Error        S      N  Inz( *Negative )
>D ExistingCust S      N  Inz( *Positive )
>D NewCust      S      N  Inz( *Off )
>C              Eval     RtnCode = MyProc( MyParm )
>C              Select
>C              When     RtnCode = ExistingCust
> * Perform existing customer processing
>
>C              When     RtnCode = NewCust
> * Perform new customer processing
>
>C              When     RtnCode = Error
> ...

Gary, I don't see that *NEGATIVE appears to have general
usefulness.  Aside from that, indicators hold boolean values.
If you want to return more than 2 different values, use a
type that has more than 2 values, and use named constants
for your special values, in both your procedure and its
callers.

D Error        C         -1
D ExistingCust C         1
D NewCust      C         0

C              Eval     RtnCode = MyProc( MyParm )
C              Select
C              When     RtnCode = ExistingCust
 * Perform existing customer processing
C              When     RtnCode = NewCust
 * Perform new customer processing
C              When     RtnCode = Error
 ...

Barbara Morris
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