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![]() | Pack logtalk -- logtalk-3.81.0/manuals/_sources/refman/methods/domain_error_2.rst.txt |
.. 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: domain_error/2; Built-in method .. _methods_domain_error_2:
::
domain_error(Domain, Culprit)
Throws a domain error. Used when an argument is of the correct type but outside the valid domain. For example, trying to use an atom as an operator specifier that is not a valid specifier. This built-in method is declared private and thus cannot be used as a message to an object. Calling this predicate is equivalent to the following sequence of goals:
::
...,
context(Context)
,
throw(error(domain_error(Domain,Culprit), Context))
.
This allows the user to generate errors in the same format used by the runtime.
Possible values for Domain
include:
character_code_list
close_option
flag_option
flag_value
compiler_flag
flag
prolog_flag
io_mode
non_empty_list
not_less_than_zero
operator_priority
operator_specifier
read_option
source_sink
stream
stream_option
stream_or_alias
stream_position
stream_property
write_option
character_code_list
text_encoding
directive
object_directive
protocol_directive
category_directive
object_relation
protocol_relation
category_relation
object_property
protocol_property
category_property
predicate_property
meta_argument_specifier
meta_directive_template
closure
allocation
redefinition
message_sending_goal
class
prototype
scope
boolean
The value of Culprit
is the argument or one of its sub-terms that caused
the error.::
domain_error(+atom, @nonvar)
- error
| When called:
| domain_error(Domain, Culprit)
::
...,
atom(Color)
,
\+ color(Color)
,
domain_error(color, Color)
.
.. seealso::
:ref:methods_catch_3
,
: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_existence_error_2
,
:ref:methods_permission_error_3
,
:ref:methods_representation_error_1
,
:ref:methods_evaluation_error_1
,
:ref:methods_resource_error_1
,
:ref:methods_syntax_error_1
,
:ref:methods_system_error_0