//	Distributed under the Boost Software License Version 1.0 https://www.boost.org/LICENSE_1_0.txt
//	Copyright Gero Peterhoff

#ifndef BOOST_TYPE_TRAITS_ENDIAN_HPP
#define BOOST_TYPE_TRAITS_ENDIAN_HPP

#include <boost/config.hpp>
#include <type_traits>

#if !defined(BOOST_NO_CXX20_HDR_BIT)
	#include <bit>
#else
	#include <boost/core/bit.hpp>
#endif



namespace boost
{
struct is_endian_little : public std::integral_constant
<
	bool,
	#if !defined(BOOST_NO_CXX20_HDR_BIT)
		std::endian::native == std::endian::little
	#else
		core::endian::native == core::endian::little
	#endif
>	{};

struct is_endian_big : public std::integral_constant
<
	bool,
	#if !defined(BOOST_NO_CXX20_HDR_BIT)
		std::endian::native == std::endian::big
	#else
		core::endian::native == core::endian::big
	#endif
>	{};



#if !defined(BOOST_NO_CXX17_INLINE_VARIABLES)
inline constexpr bool is_endian_little_v	= is_endian_little::value;
inline constexpr bool is_endian_big_v		= is_endian_big::value;
#endif
}	//	boost

#endif	//	BOOST_TYPE_TRAITS_ENDIAN_HPP