directive

`protocol/1-2`

Description

protocol(Protocol)

protocol(Protocol,
    extends(Protocols))

Starting protocol directive.

Template and modes

protocol(+protocol_identifier)

protocol(+protocol_identifier,
    extends(+extended_protocols))

Examples

:- protocol(listp).

:- protocol(listp,
    extends(compoundp)).

:- protocol(queuep,
    extends(protected::listp)).

See also