private(Functor/Arity) private((Functor1/Arity1, Functor2/Arity2, ...)) private([Functor1/Arity1, Functor2/Arity2, ...]) private(Functor//Arity) private((Functor1//Arity1, Functor2//Arity2, ...)) private([Functor1//Arity1, Functor2//Arity2, ...]) private(op(Precedence, Associativity, Operator))
Declares private predicates, private grammar rule non-terminals, and private operators. A private predicate can only be called from the object containing the private directive. A private non-terminal can only be used in a call of the phrase/2
and phrase/3
methods from the object containing the private directive.
private(+predicate_indicator_term) private(+non_terminal_indicator_term) private(+operator_declaration)
:- private(counter/1). :- private((init/1, free/1)). :- private([data/3, key/1, keys/1]).