boost/atomic/detail/type_traits/is_nothrow_default_constructible.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) 2021 Andrey Semashev
*/
/*!
* \file atomic/detail/type_traits/is_nothrow_default_constructible.hpp
*
* This header defines \c is_nothrow_default_constructible type trait
*/
#ifndef BOOST_ATOMIC_DETAIL_TYPE_TRAITS_IS_NOTHROW_DEFAULT_CONSTRUCTIBLE_HPP_INCLUDED_
#define BOOST_ATOMIC_DETAIL_TYPE_TRAITS_IS_NOTHROW_DEFAULT_CONSTRUCTIBLE_HPP_INCLUDED_
#include <boost/atomic/detail/config.hpp>
#if !defined(BOOST_NO_CXX11_HDR_TYPE_TRAITS)
#include <type_traits>
#else
#include <boost/type_traits/has_nothrow_constructor.hpp>
#endif
#ifdef BOOST_HAS_PRAGMA_ONCE
#pragma once
#endif
namespace boost {
namespace atomics {
namespace detail {
#if !defined(BOOST_NO_CXX11_HDR_TYPE_TRAITS)
using std::is_nothrow_default_constructible;
#elif !defined(BOOST_NO_CXX11_TEMPLATE_ALIASES)
template< typename T >
using is_nothrow_default_constructible = boost::has_nothrow_constructor< T >;
#else
template< typename T >
struct is_nothrow_default_constructible : public boost::has_nothrow_constructor< T > {};
#endif
} // namespace detail
} // namespace atomics
} // namespace boost
#endif // BOOST_ATOMIC_DETAIL_TYPE_TRAITS_IS_NOTHROW_DEFAULT_CONSTRUCTIBLE_HPP_INCLUDED_