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This file is part of Logtalk <https://logtalk.org/>  
Copyright 1998-2022 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.
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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.
