ext-boost/boost/container_hash/is_described_class.hpp
2024-10-31 17:58:48 -07:00

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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