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This project, github.com/decbr1/writing-an-interpreter-in-go, is my following
of the eponymous book by Thorsten Ball. The book's text itself is copyrighted
by Thorsten Ball and all rights are reserved, but the code produced from the
contents of the book - and found online on the author's github - are specifically
licensed under the MIT license. How lovely! Where my code differs from the original
author's, and the work is enough 'of my own' for it to require a separate licence,
I have placed it under the same MIT license to the best of my ability.
Below is the license text as found in the original repository.
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MIT License

Copyright (c) 2016-2017 Thorsten Ball
Copyright (c) 2025-2026 decbr1

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.