predicate_property/2

Description

predicate_property(Predicate, Property)

Enumerates, by backtracking, the properties of a visible predicate.

Template and modes

predicate_property(+callable, ?predicate_property)

Errors

Predicate is a variable:

instantiation_error

Predicate is neither a variable nor a callable term:

type_error(callable, Predicate)

Property is neither a variable nor a valid predicate property:

domain_error(predicate_property, Property)

Examples

To enumerate, by backtracking, the properties of a predicate visible in this:

predicate_property(foo(_), Property)

To enumerate, by backtracking, the properties of a public or protected predicate visible in self:

::predicate_property(foo(_), Property)

To enumerate, by backtracking, the properties of a public predicate visible in an object:

Object::predicate_property(foo(_), Property)

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Last updated on: October 21, 2001