^^/1

Description

^^Predicate

Calls a redefined/inherited definition for a message. Normally only used in the body of a predicate definition for the message. Predicate should match a public or protected predicate of self or be within the scope of this.

Template and modes

^^+message

Errors

Predicate is a variable:

instantiation_error

Predicate is declared private:

permission_error(access, private_predicate, Predicate)

Predicate is not declared:

existence_error(predicate_declaration, Predicate)

Container of the inherited predicate definition is the same object that contains the ^^/1 call:

endless_loop(Predicate)

Examples

init :-
        assertz(counter(0)),
        ^^init.

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Last updated on: October 21, 2001