directive

category/1-4

Description

category(Category)

category(Category,
    implements(Protocols))

category(Category,
    extends(Categories))

category(Category,
    complements(Objects))

category(Category,
    implements(Protocols),
    extends(Categories))

category(Category,
    implements(Protocols),
    complements(Objects))

category(Category,
    extends(Categories),
    complements(Objects))

category(Category,
    implements(Protocols),
    extends(Categories),
    complements(Objects))

Starting category directive.

Template and modes

category(+category_identifier)

category(+category_identifier,
    implements(+implemented_protocols))

category(+category_identifier,
    extends(+extended_categories))

category(+category_identifier,
    complements(+complemented_objects))

category(+category_identifier,
    implements(+implemented_protocols),
    extends(+extended_categories))

category(+category_identifier,
    implements(+implemented_protocols),
    complements(+complemented_objects))

category(+category_identifier,
    extends(+extended_categories),
    complements(+complemented_objects))

category(+category_identifier,
    implements(+implemented_protocols),
    extends(+extended_categories),
    complements(+complemented_objects))

Examples

:- category(monitoring).

:- category(monitoring,
    implements(monitoringp)).

:- category(attributes,
    implements(protected::variables)).

:- category(extended,
    extends(minimal)).

:- category(logging,
    implements(monitoring),
    complements(employee)).

See also

end_category/0