The "fact-slot-value" function.

I think Skeptic 2000 wrote:
[Charset iso-8859-1 unsupported, filtering to ASCII...]
> 
> Thanks,
> 
> Another one, if I have a fact in a variable like the goal in the last 
> example in variable ?g.
> 
> If I use this variable as a function paramater, in the function how I can 
> get access to its slot values ?
> 
> In a Java user function I can use the .getSlotValue, but in a Jess user 
> function, how I can do it ?
> 
> (For example, let say I would like to do my (modify ?g (state sucess)) in a 
> user function)
> 
> Thanks again.
> 
> 
> >From: [EMAIL PROTECTED]
> >Reply-To: [email protected]
> >To: [email protected]
> >Subject: Re: JESS: forall
> >Date: Sat, 22 Apr 2006 12:50:31 -0700 (PDT)
> >
> >
> >The "forall" CE
> >
> >(forall (A) (B))
> >
> >says that for every A, B matches. For example
> >
> >;; Everyone owns a dog
> >(forall (person (name ?n)) (dog (owner ?n)))
> >
> >You're saying something different: given a goal X in state nil, if
> >every goal Y is in state success, then modify goal X. You could write
> >something like
> >
> >; Given goal X
> >?g<- (goal (name "X") (state nil))
> >;; There's at least one goal "Y"
> >(exists (goal (name "Y")))
> >;; All goals "Y" are in state success
> >(not (goal (name "Y") (state ~success)))
> >
> >If there's always a goal "Y", you can omit the middle pattern.
> >
> >
> >I think Skeptic 2000 wrote:
> >[Charset iso-8859-1 unsupported, filtering to ASCII...]
> > >
> > > Hi,
> > >
> > > I tried to use the forall in this way and it doesn't work, it's a bug or 
> >I
> > > misunderstand how it is supposed to work ?
> > >
> > > I have a deftemplate name goal with two slot, name and state.
> > >
> > > My rule is :
> > >
> > > (defrule example
> > > ?g<- (goal (name "X") (state nil))
> > > (forall (goal (name "Y") (state sucess))
> > > =>
> > > (modify ?g (state sucess)
> > >
> > > In a few words, I put the goal "X" is in state sucess if every goal "Y" 
> >are
> > > in state sucess.
> > >
> > > Problem is that the 'sucess' criteria seems to not considered by the 
> >forall
> > > CE.
> > >
> > > Thanks for help.
> > >
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> >
> >
> >---------------------------------------------------------
> >Ernest Friedman-Hill
> >Advanced Software Research          Phone: (925) 294-2154
> >Sandia National Labs                FAX:   (925) 294-2234
> >PO Box 969, MS 9012                 [EMAIL PROTECTED]
> >Livermore, CA 94550         http://herzberg.ca.sandia.gov
> >
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> 



---------------------------------------------------------
Ernest Friedman-Hill  
Advanced Software Research          Phone: (925) 294-2154
Sandia National Labs                FAX:   (925) 294-2234
PO Box 969, MS 9012                 [EMAIL PROTECTED]
Livermore, CA 94550         http://herzberg.ca.sandia.gov

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