Hi,
I used: (calling goToSlide "TEST" + ? slide 1)
but I am getting:
Jess reported an error in routine Value.intValue
while executing (calling goToSlide + ?slide 1)
while executing defrule MAIN::SettingStateAccordingToRoom-rule1.
Message: '+' is a symbol, not an integer.
...
On Tue, 18 Aug 2009, Ernest Friedman-Hill wrote:
> In Jess, parentheses always have special meaning; most of the time,
> they mean "this is a function call". So (?slide) would mean "call
> what's in ?slide as a function", which is definitely not what you
> want. The "+" function, like all Jess functions, is called using
> prefix notation; the quantity "three more than ?slide" is written (+ ?
> slide 3) .
>
>
>
> On Aug 18, 2009, at 9:24 AM, John Chrysakis wrote:
>
> >
> > Hello to all community,
> >
> > I am trying to bind an int variable e.g slide
> > and then to use it's value plus a different number,
> >
> > e.g slide + 2, slide +3.
> >
> > How I Can Do that, the following doesn't work.
> >
> >
> > (defrule Rule1
> > ...
> > =>
> > (bind ?slide 4)
> > (calling goToSlide "p1" ?slide)
> > (calling goToSlide "p2" ((?slide)+1))
> > (calling goToSlide "p3" ((?slide)+6))
> > ...
> > )
> >
> >
> > thank you in advance!
> >
> >
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> > --------------------------------------------------------------------
>
> ---------------------------------------------------------
> Ernest Friedman-Hill
> Informatics & Decision Sciences Phone: (925) 294-2154
> Sandia National Labs
> PO Box 969, MS 9012 [email protected]
> Livermore, CA 94550 http://www.jessrules.com
>
>
>
>
>
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