Re: select vs. if-elseif

[Vernon Hamberg <vhamberg@xxxxxxxxxxxxxxx>]

I think I'd vote for it, as well.

On 1/28/2019 8:04 AM, Justin Taylor wrote:
> I haven't used SELECT since ELSEIF.  Mark, you could always open an RFE.  I'd vote for it.
>
> -----Original Message-----
> From: Jon Paris [mailto:jon.paris@xxxxxxxxxxxxxx]
> Sent: Friday, January 25, 2019 3:34 PM
> To: RPG programming on the IBM i (AS/400 and iSeries) <rpg400-l@xxxxxxxxxxxxxxxxxx>
> Subject: Re: select vs. if-elseif
>
> You are correct - there is effective redundancy there and sadly it probably can't be changed.
>
> Personally I always found the old RPG SELECT to be confusing because my mental model has Select meaning "choose from a list of possibilities" - in other words what your suggestion appears to be doing.
>
> I welcomed the arrival of ElseIf because it gave me a different syntax that I could map into my model.
>
> So my rule is use ElseIf in cases where the condition can change and use Select when picking from a list of possible values.
>
> Been much happier since I did that.
>
>
> Jon Paris
>
> www.partner400.com
> www.SystemiDeveloper.com
>
> > On Jan 25, 2019, at 4:01 PM, Mark Murphy <jmarkmurphy@xxxxxxxxx> wrote:
> >
> > Does anyone else find the redundancy between the select block and the
> > if-elseif-else block a little disconcerting? Seems to me that there
> > should be a clear distinction between the two. There never can be at
> > this point, so I tend to use a relatively inconsistent mix of the two
> > in my code based on what mood I am in. But the select syntax has a
> > potentially game changing syntax.
> >
> > select <variable>;
> >    when <value>;
> >       ...
> >    when <value>;
> >       ...
> >    when <value>;
> >       ...
> >    other;
> >       ...
> > endsl;
> >
> > This syntax reduces redundancy in a significant amount of  code, by
> > reducing the need to retype code variable names over and over again.
> > Wouldn't it be nice?
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