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Fix retractall/1 predicate to retract both facts and rules

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Paulo Moura
2021-05-12 23:46:05 +01:00
parent 39aebd7144
commit fb29830521
1 changed files with 1 additions and 1 deletions
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src/lib/builtins.pl
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@@ -1016,7 +1016,7 @@ retract(Clause) :-
:- meta_predicate retractall(0). :- meta_predicate retractall(0).
retractall(Head) :- retractall(Head) :-
retract((Head :- _)), retract_clause(Head, _),
false. false.
retractall(_). retractall(_).