Hi all,
Excuse my poor english, please.
I have a question about use facts in deffunction, I explain me with an
example
(deffunction esborraSortir (?numero ?pal)
?fact <- (sortir (str-cat ?numero "-" ?pal) ?)
(retract ?fact)
)
In my knowledge base, I have facts like:
(sortir "5-ors" 5)
When I execute:
(esborraSortir 5 ors)
Jess don't work and answer:
Jess reported an error in routine Variable.resolveValue while
executing deffunction esborraSortir while executing
(esborraSortir 5 ors).
Message: Undefined variable (no binding) fact.
Program text: ( esborraSortir 5 ors ) at line 0.
Undefined variable (no binding)
It's possible to use question mark (?) in this case?
Thanks for answers or comments
Jordi Cardona
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