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   Copyright 1998-2022 Paulo Moura <pmoura@logtalk.org>
   SPDX-License-Identifier: Apache-2.0

   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
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.. rst-class:: align-right

**built-in predicate**

.. index:: pair: abolish_category/1; Built-in predicate
.. _predicates_abolish_category_1:

``abolish_category/1``
======================

Description
-----------

::

   abolish_category(Category)

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

Modes and number of proofs
--------------------------

::

   abolish_category(+category_identifier) - one

Errors
------

| ``Category`` is a variable:
|     ``instantiation_error``
| ``Category`` is neither a variable nor a valid category identifier:
|     ``type_error(category_identifier, Category)``
| ``Category`` is an identifier of a static category:
|     ``permission_error(modify, static_category, Category)``
| ``Category`` does not exist:
|     ``existence_error(category, Category)``

Examples
--------

::

   | ?- abolish_category(monitoring).

.. seealso::

   :ref:`predicates_category_property_2`,
   :ref:`predicates_create_category_4`,
   :ref:`predicates_current_category_1`
   :ref:`predicates_complements_object_2`,
   :ref:`predicates_extends_category_2_3`,
   :ref:`predicates_imports_category_2_3`
