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Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

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.. rst-class:: align-right

built-in predicate

.. index:: pair: abolish_protocol/1; Built-in predicate .. _predicates_abolish_protocol_1:

abolish_protocol/1

Description

::

abolish_protocol(Protocol)

Abolishes a dynamic protocol. The protocol identifier can then be reused when creating a new protocol.

Modes and number of proofs

::

abolish_protocol(@protocol_identifier) - one

Errors

| Protocol is a variable: | instantiation_error | Protocol is neither a variable nor a valid protocol identifier: | type_error(protocol_identifier, Protocol) | Protocol is an identifier of a static protocol: | permission_error(modify, static_protocol, Protocol) | Protocol does not exist: | existence_error(protocol, Protocol)

Examples

::

| ?- abolish_protocol(listp).

.. seealso::

:ref:predicates_create_protocol_3, :ref:predicates_current_protocol_1, :ref:predicates_protocol_property_2, :ref:predicates_conforms_to_protocol_2_3, :ref:predicates_extends_protocol_2_3, :ref:predicates_implements_protocol_2_3