..
   This file is part of Logtalk <https://logtalk.org/>  
   Copyright 1998-2021 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.
   You may obtain a copy of the License at

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

   Unless required by applicable law or agreed to in writing, software
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   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
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.. index:: pair: current_object/1; Built-in predicate
.. _predicates_current_object_1:

``current_object/1``
====================

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

::

   current_object(Object)

Enumerates, by backtracking, all currently defined objects. All objects
are found, either static, dynamic or built-in.

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

::

   current_object(?object_identifier) - zero_or_more

Errors
------

| ``Object`` is neither a variable nor a valid object identifier:
|     ``type_error(object_identifier, Object)``

Examples
--------

::

   % enumerate the defined objects:
   | ?- current_object(Object).
   
   Object = user ;
   Object = logtalk ;
   ...

.. seealso::

   :ref:`predicates_abolish_object_1`,
   :ref:`predicates_create_object_4`,
   :ref:`predicates_object_property_2`,
   :ref:`predicates_extends_object_2_3`,
   :ref:`predicates_instantiates_class_2_3`,
   :ref:`predicates_specializes_class_2_3`,
   :ref:`predicates_complements_object_2`
