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// Copyright 2022 Peter Dimov. // Distributed under the Boost Software License, Version 1.0. // https://www.boost.org/LICENSE_1_0.txt #ifndef BOOST_HASH_IS_DESCRIBED_CLASS_HPP_INCLUDED #define BOOST_HASH_IS_DESCRIBED_CLASS_HPP_INCLUDED #include <boost/describe/bases.hpp> #include <boost/describe/members.hpp> #include <type_traits> namespace boost { namespace container_hash { #if defined(BOOST_DESCRIBE_CXX11) template<class T> struct is_described_class: std::integral_constant<bool, describe::has_describe_bases<T>::value && describe::has_describe_members<T>::value && !std::is_union<T>::value> { }; #else template<class T> struct is_described_class: std::false_type { }; #endif } // namespace container_hash } // namespace boost #endif // #ifndef BOOST_HASH_IS_DESCRIBED_CLASS_HPP_INCLUDED