s2rst — a Rust port of Google's S2 Geometry library
Copyright 2026 Torgeir Børresen <tb@starkad.no>

This product is a derivative work, ported from Google's S2 Geometry library, and
is distributed under the Apache License, Version 2.0 (see LICENSE).

It is derived from the following upstream implementations, each Copyright
Google Inc. (now Google LLC) and licensed under the Apache License, Version 2.0:

  * C++   — google/s2geometry
  * Go    — golang/geo
  * Java  — google/s2-geometry-library-java

Authors and contributors of the upstream libraries are credited in the AUTHORS
file, retained per Apache License 2.0 section 4(c).

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The following NOTICE is reproduced verbatim from the upstream C++ library
(google/s2geometry), per Apache License 2.0 section 4(d):

    S2 Geometry Library
    Copyright 2017 Google Inc.  All Rights Reserved.

    This product includes software developed at
    Google (https://www.google.com/).
