RE: what is unclear about 01 02 03 -Reply

Walden wrote:
>Sorry to say, but l-hand indicators can be _easier_ to understand than
>"structured" code. Compare
>
> key chain rcd  90
>90  leave
>
>with
>
> key chain rcd  90
> *in90 move  rcdnf
> rcdnf ifeq *on
>  leave
>  endif
>
>You tell me which is easier to read.

I can't believe this discussion has gone on so long.
(And I can't believe I'm responding!)

Add this snippet of V4R2 code and tell me what's more
readable:

     C                  CHAIN     rcd
     C                  IF        NOT %FOUND
     C                  LEAVE
     C                  ENDIF

Fact is, the traditional indicators are becoming a
thing of the past.  As of V4R2, there are very few
cases where an old-style indicator is still needed.
Eventually, we'd like to make it even easier to
avoid them entirely, using techniques that do not
require compromising readability.

Cheers!  Hans

Hans Boldt, ILE RPG Development, IBM Toronto Lab, boldt@ca.ibm.com
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