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Andrzej Krzemienski
2022-06-22 22:59:18 +02:00
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Boost.Optional
Copyright (c) 2015 - 2021 Andrzej Krzemienski
Copyright (c) 2015 - 2022 Andrzej Krzemienski
Distributed under the Boost Software License, Version 1.0.
(See accompanying file LICENSE_1_0.txt or copy at
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[section:relnotes Release Notes]
[heading Boost Release 1.80]
* [*Breaking change:] Added specializations for `std::hash<boost::opitonal<T>>`. This fixes [@https://github.com/boostorg/optional/issues/55 issue #55]. You may get compiler errors when your program provides specializations for `std::hash<boost::optional<T>>`. If this happens, define macro `BOOST_OPTIONAL_CONFIG_DO_NOT_SPECIALIZE_STD_HASH` to suppress the specializations of `std::hash` in this library.
[heading Boost Release 1.79]
* Fixed [@https://github.com/boostorg/optional/issues/98 issue #98].