^^/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.