Re: [Jason-users] Add predicates (beliefs) to a list

[Helio H. L. <hel...@gm...>]

Great, this is what I was trying to do. Thank you very much!!

--
Helio Henrique L. C. Monte-Alto



Em seg, 28 de out de 2019 às 15:01, Jomi Hubner <jom...@gm...>
escreveu:

> Hi Helio,
>
> Variables do not change the value in Jason (as in Prolog) — they are more
> like math vars, and less like a programming vars. So, in your code, the
> value of L is set as [] and cannot change later.
>
> If you want to build lists from Belief Base, I’d suggest to use .findall:
>
>         .findall( focus_rule(H,B), focus_rule(H,B), L);
>         .send(A, tell, L).
>
> HTH,
>
> Jomi
>
>
> > On 28 Oct 2019, at 14:10, Helio Henrique Lopes <hel...@gm...>
> wrote:
> >
> > Thanks Jomi,
> >
> > So I think I did not understand how to capture de predicates into the
> variables (unification). Can I do something like this?
> >
> > /* Beliefs (the ones that I want to transmit to other agents) /*
> > focus_rule(mushroom(m1), [death_cap(m1)])
> > focus_rule(mushroom(m1), [caesar_mushroom(m1)])
> >
> > /* Action plan. Get every belief 'focus_rule(...)' and send them to
> agent A. */
> > +!query(P, A): <-
> >    L = []
> >    for (focus_rule(H,B)) {
> >       X =  focus_rule(H,B);
> >       L = [X|L];
> >     };
> >     .send(A, tell, L).
> >
> > I am sorry if this question is very basic or simple, but I really did
> not see similar examples.
> >
> > Thanks!!
> >
> > --
> > Helio Henrique L. C. Monte-Alto
> >
> > Em seg, 28 de out de 2019 às 13:51, Jomi Hubner <jom...@gm...>
> escreveu:
> > Hello Helio,
> >
> > It is quite simple: just send a list of predicates, as in
> >
> >         .send(bob,tell,[a,b,c]).
> >
> > HTH,
> >
> > Jomi
> >
> > > On 28 Oct 2019, at 12:02, Helio Henrique Lopes <
> hel...@gm...> wrote:
> > >
> > > Hello,
> > >
> > > I have a case in which I want an agent to send  a list of beliefs to
> another agent. I want to do it in one single message, thus the idea is
> sending a predicate containing, among other things, this list of
> predicates. What would be the best way to do this?
> > >
> > > Thanks,
> > > Helio
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> > > Jas...@li...
> > > https://lists.sourceforge.net/lists/listinfo/jason-users
> >
>
>