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On 29-Feb-08, at 5:11 PM, Jerry Adams wrote:
I neglected to ask her, though, just what is the purpose/function
of =+
or =- (both of which I have, as I said, fat fingered). I tried to
find
an explanation of the =+ in Jim Martin's book on Free-Format and in
both
the ILE RPG Reference and Programmer's Guide manuals for an
explanation
of what =+ or =- is for.
Maybe Jim's book didn't mention it because it is not actually a /Free
issue. This syntax has always existed in EVALs (i.e. Since the
original V3R1 release). Not sure why it wouldn't be mentioned in the
manual though. The -varName just negates the value. +varName is
effectively a no-op.
This:
d a s 9 0 inz(25)
d b s 11s 0 inz(-50)
/free
dsply ('a = ' + %char(a) + ' and -a = ' + %char(-a));
dsply ('b = ' + %char(b) + ' and -b = ' + %char(-b));
Produces this:
DSPLY a = 25 and -a = -25
DSPLY b = -50 and -b = 50
Jon Paris
www.Partner400.com
www.SystemiDeveloper.com
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