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predicate_property should not return properties for undefined predicates.

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git-svn-id: https://yap.svn.sf.net/svnroot/yap/trunk@339 b08c6af1-5177-4d33-ba66-4b1c6b8b522a
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vsc 2002-01-30 01:18:56 +00:00
parent be135b514f
commit d7109e6974
1 changed files with 2 additions and 1 deletions
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pl/utils.yap
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@ -551,7 +551,8 @@ predicate_property(Pred,Prop) :-
'$predicate_property'(P,M,_,dynamic) :-
'$is_dynamic'(P,M).
'$predicate_property'(P,M,_,static) :-
\+ '$is_dynamic'(P,M).
\+ '$is_dynamic'(P,M),
\+ '$undefined'(P,M).
'$predicate_property'(P,M,_,meta_predicate(P)) :-
functor(P,Na,Ar),
user:'$meta_predicate'(M,Na,Ar,P).