.. 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

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.. rst-class:: align-right

built-in method

.. index:: pair: throw/1; Built-in method .. _methods_throw_1:

throw/1

Description

::

throw(Exception)

Throws an exception. See also the ISO Prolog standard definition. This built-in method is declared private and thus cannot be used as a message to an object.

Modes and number of proofs

::

throw(+nonvar) - error

Errors

| Exception is a variable: | instantiation_error | Exception does not unify with the second argument of any call of :ref:methods_catch_3: | system_error

Examples

(none)

.. seealso::

:ref:methods_catch_3, :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