.. This file is part of Logtalk https://logtalk.org/ SPDX-FileCopyrightText: 1998-2024 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 distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

.. rst-class:: align-right

built-in method

.. index:: pair: catch/3; Built-in method .. _methods_catch_3:

catch/3

Description

::

catch(Goal, Catcher, Recovery)

Catches exceptions thrown by a goal. See also the ISO Prolog standard definition. This built-in meta-predicate is declared as a private method and thus cannot be used as a message to an object.

This method can also be used in grammar rules. In this case, the meta-arguments are interpreted as grammar rule bodies.

Modes and number of proofs

::

catch(?callable, ?term, ?callable) - zero_or_more

Errors

(none)

Examples

(none)

.. seealso::

:ref:methods_throw_1, :ref:methods_context_1, :ref:methods_instantiation_error_0, :ref:methods_uninstantiation_error_1, :ref:methods_type_error_2, :ref:methods_domain_error_2, :ref:methods_consistency_error_3, :ref:methods_existence_error_2, :ref:methods_permission_error_3, :ref:methods_evaluation_error_1, :ref:methods_representation_error_1 :ref:methods_resource_error_1, :ref:methods_syntax_error_1, :ref:methods_system_error_0