boost/hash2/is_trivially_equality_comparable.hpp

0001 #ifndef BOOST_HASH2_IS_TRIVIALLY_EQUALITY_COMPARABLE_HPP_INCLUDED
0002 #define BOOST_HASH2_IS_TRIVIALLY_EQUALITY_COMPARABLE_HPP_INCLUDED
0003
0004 // Copyright 2017, 2023, 2024 Peter Dimov.
0005 // Distributed under the Boost Software License, Version 1.0.
0006 // https://www.boost.org/LICENSE_1_0.txt
0007
0008 #include <type_traits>
0009
0010 namespace boost
0011 {
0012 namespace hash2
0013 {
0014
0015 template<class T> struct is_trivially_equality_comparable:
0016     std::integral_constant< bool, std::is_integral<T>::value || std::is_enum<T>::value || std::is_pointer<T>::value >
0017 {
0018 };
0019
0020 template<class T> struct is_trivially_equality_comparable<T const>:
0021     is_trivially_equality_comparable<T>
0022 {
0023 };
0024
0025 } // namespace hash2
0026 } // namespace boost
0027
0028 #endif // #ifndef BOOST_HASH2_IS_TRIVIALLY_EQUALITY_COMPARABLE_HPP_INCLUDED