1/*
2 * Distributed under the Boost Software License, Version 1.0.
3 * (See accompanying file LICENSE_1_0.txt or copy at
4 * http://www.boost.org/LICENSE_1_0.txt)
5 *
6 * Copyright (c) 2017 Andrey Semashev
7 */
8/*!
9 * \file atomic/detail/type_traits/conditional.hpp
10 *
11 * This header defines \c conditional type trait
12 */
13
14#ifndef BOOST_ATOMIC_DETAIL_TYPE_TRAITS_CONDITIONAL_HPP_INCLUDED_
15#define BOOST_ATOMIC_DETAIL_TYPE_TRAITS_CONDITIONAL_HPP_INCLUDED_
16
17#include <boost/atomic/detail/config.hpp>
18#if !defined(BOOST_ATOMIC_DETAIL_NO_CXX11_HDR_TYPE_TRAITS)
19#include <type_traits>
20#else
21#include <boost/type_traits/conditional.hpp>
22#endif
23
24#ifdef BOOST_HAS_PRAGMA_ONCE
25#pragma once
26#endif
27
28namespace boost {
29namespace atomics {
30namespace detail {
31
32#if !defined(BOOST_ATOMIC_DETAIL_NO_CXX11_HDR_TYPE_TRAITS)
33using std::conditional;
34#else
35using boost::conditional;
36#endif
37
38} // namespace detail
39} // namespace atomics
40} // namespace boost
41
42#endif // BOOST_ATOMIC_DETAIL_TYPE_TRAITS_CONDITIONAL_HPP_INCLUDED_
43