diogo/yap-6.3
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protect against assert(1).

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Vitor Santos Costa 2010-02-26 10:22:41 +00:00
parent a8039df035
commit a1e3aa45ba
1 changed files with 2 additions and 0 deletions
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pl/preds.yap
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@ -40,6 +40,8 @@ assert(C) :-
'$do_error'(instantiation_error,assert(Mod:V)).
'$assert'(V,Mod,_,_,_) :- var(Mod), !,
'$do_error'(instantiation_error,assert(Mod:V)).
'$assert'(I,Mod,_,_,_) :- number(I), !,
'$do_error'(type_error(callable,I),assert(Mod:I)).
'$assert'(M:C,_,Where,R,P) :- !,
'$assert'(C,M,Where,R,P).
'$assert'((H:-G),M1,Where,R,P) :- !,