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This file is part of Logtalk https://logtalk.org/ SPDX-FileCopyrightText: 1998-2023 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.

To load this example and for sample queries, please see the SCRIPT.txt file.

The expansion.lgt source file illustrates how the scope of the term and goal-expansion predicates affects the results of the expansion mechanisms.

The hooks.lgt and raw.lgt source files illustrate how to define and combine hook objects.

The pipeline.lgt source file uses the hook_pipeline/1 library object, which illustrates how to define a hook object that applies a pipeline of hook objects.

For more details, please see the comments in the source files.