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  • Subject: RE: RPG - conversion vs re-write
  • From: "Hans Boldt" <hboldt@xxxxxxxxxxxx>
  • Date: Fri, 12 Sep 97 09:47:31 EDT

Bob Cozzi <BobCozzi@ibm.net> wrote
>I wrote that procedure ad-hoc to illustrate an "IsNull" procedure would be
>a simple thing to write. But as I also pointed out, I wasn't sure if the
>1-digit zoned numeric return value would work.

Actually, the example wouldn't work for another reason as well.  The
"null flag" is associated with specific fields and is not passed when
passing the field as a parameter.  Coding NULLIND(PARM) within the
procedure will get a compile error since PARM is not defined as null-
capable.  This is a more fundamental restriction.

>So, when do we get BOOL data types (aka, Indicator fields) in RPG IV?

It's coming.  It's just not in V4R1.

Hans Boldt, ILE RPG Development, IBM Toronto Lab, hboldt@vnet.ibm.com
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