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< title > Logtalk predicate directive: private/1< / title >
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< div class = "top-left" > Logtalk reference manual< / div >
< div class = "top-right" > Predicate directive: private/1< / div >
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< div class = "navtop" > < a href = "../../index.html" > contents< / a > > < a href = "../index.html" > reference manual< / a > > < a href = "../index.html#directives" > directives< / a > < / div >
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< h2 class = "code" > private/1< / h2 >
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< h4 > Description< / h4 >
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< pre > private(Functor/Arity)
private(Functor1/Arity1, Functor2/Arity2, ...)
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private([Functor1/Arity1, Functor2/Arity2, ...])
private(Functor//Arity)
private(Functor1//Arity1, Functor2//Arity2, ...)
private([Functor1//Arity1, Functor2//Arity2, ...])< / pre >
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< p >
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Declares private predicates and private grammar rule non-terminals. 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 < a title = "Consult reference manual" href = "../methods/phrase2.html" > < code > phrase/2< / code > < / a > and < a title = "Consult reference manual" href = "../methods/phrase3.html" > < code > phrase/3< / code > < / a > methods from the object containing the private directive.
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< h4 > Template and modes< / h4 >
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< pre > private(+predicate_indicator_term)
private(+non_terminal_indicator_term)< / pre >
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< h4 > Examples< / h4 >
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< pre > :- private(counter/1).
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:- private(init/1, free/1).
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:- private([data/3, key/1, keys/1]).< / pre >
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< span class = "date" > Last updated on: November 16, 2005< / span >
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