Re: DS argument list for i/o vs. listing the arguments at the i/o statement -- RPG400-L

I am going to counter this a bit - if you use data structures instead of KLISTs and you are using RDi, then hovering over the DS name will show you what the subfields are - no JITB for me!

And I imagine in debug that you can display the key values directly from the DS.

Hope I'm on the mark here!
Vern

On 8/18/2021 11:32 AM, dfreinkel@xxxxxxxxxxxxxxxxx wrote:

>From a debugging point of view,
(2) chain ( CustType : CustNbr ) Custfile ;

Is much easier to work with and trace values. Key lists have you bouncing
around like a jack in the box.

My 2 cents worth.

Darryl Freinkel
A4G
Telephone: 770.321.8562 Mobile: 678.355.8562

-----Original Message-----
From: RPG400-L <rpg400-l-bounces@xxxxxxxxxxxxxxxxxx> On Behalf Of Roger
Harman
Sent: Wednesday, August 18, 2021 12:21 PM
To: RPG programming on IBM i <rpg400-l@xxxxxxxxxxxxxxxxxx>
Subject: RE: DS argument list for i/o vs. listing the arguments at the i/o
statement

I prefer the clarity of the individual fields.

That being said, I used %kds() extensively in a program that had about 10
level breaks. It made the code pretty easy to setup and follow.

-----Original Message-----
From: RPG400-L <rpg400-l-bounces@xxxxxxxxxxxxxxxxxx> On Behalf Of David
Gibbs via RPG400-L
Sent: Wednesday, August 18, 2021 8:52 AM
To: RPG programming on IBM i <rpg400-l@xxxxxxxxxxxxxxxxxx>
Cc: David Gibbs <david@xxxxxxxxxxxx>
Subject: Re: DS argument list for i/o vs. listing the arguments at the i/o
statement

On 8/18/21 8:24 AM, Alan Cassidy wrote:

(1) chain %kds( CustkeysDS ) Custfile ;

--versus-

(2) chain ( CustType : CustNbr ) Custfile ;

IMO, it depends on how complex the files key fields are.

If there a lot of keys, a data structure makes sense.

If it's less than 3, individual fields are good.

david

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