boost/atomic/detail/type_traits/is_trivially_copyable.hpp
/*
* Distributed under the Boost Software License, Version 1.0.
* (See accompanying file LICENSE_1_0.txt or copy at
* http://www.boost.org/LICENSE_1_0.txt)
*
* Copyright (c) 2018 Andrey Semashev
*/
/*!
* \file atomic/detail/type_traits/is_trivially_copyable.hpp
*
* This header defines \c is_trivially_copyable type trait
*/
#ifndef BOOST_ATOMIC_DETAIL_TYPE_TRAITS_IS_TRIVIALLY_COPYABLE_HPP_INCLUDED_
#define BOOST_ATOMIC_DETAIL_TYPE_TRAITS_IS_TRIVIALLY_COPYABLE_HPP_INCLUDED_
#include <boost/atomic/detail/config.hpp>
#if !defined(BOOST_NO_CXX11_HDR_TYPE_TRAITS)
#include <type_traits>
#else
// For std::is_trivially_copyable we require a genuine support from the compiler.
// Fallback to is_pod or a false negative result in Boost.TypeTraits is not acceptable
// as this trait will be used in a static assert and may deny valid uses of boost::atomic/atomic_ref.
#define BOOST_ATOMIC_DETAIL_NO_CXX11_IS_TRIVIALLY_COPYABLE
#endif
#ifdef BOOST_HAS_PRAGMA_ONCE
#pragma once
#endif
#if !defined(BOOST_ATOMIC_DETAIL_NO_CXX11_IS_TRIVIALLY_COPYABLE)
namespace boost {
namespace atomics {
namespace detail {
using std::is_trivially_copyable;
} // namespace detail
} // namespace atomics
} // namespace boost
#endif // !defined(BOOST_ATOMIC_DETAIL_NO_CXX11_IS_TRIVIALLY_COPYABLE)
#endif // BOOST_ATOMIC_DETAIL_TYPE_TRAITS_IS_TRIVIALLY_COPYABLE_HPP_INCLUDED_