| /* |
| * 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_default_constructible.hpp |
| * |
| * This header defines \c is_trivially_default_constructible type trait |
| */ |
| |
| #ifndef BOOST_ATOMIC_DETAIL_TYPE_TRAITS_IS_TRIVIALLY_DEFAULT_CONSTRUCTIBLE_HPP_INCLUDED_ |
| #define BOOST_ATOMIC_DETAIL_TYPE_TRAITS_IS_TRIVIALLY_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_trivial_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_trivially_default_constructible; |
| #elif !defined(BOOST_NO_CXX11_TEMPLATE_ALIASES) |
| template< typename T > |
| using is_trivially_default_constructible = boost::has_trivial_constructor< T >; |
| #else |
| template< typename T > |
| struct is_trivially_default_constructible : public boost::has_trivial_constructor< T > {}; |
| #endif |
| |
| } // namespace detail |
| } // namespace atomics |
| } // namespace boost |
| |
| #endif // BOOST_ATOMIC_DETAIL_TYPE_TRAITS_IS_TRIVIALLY_DEFAULT_CONSTRUCTIBLE_HPP_INCLUDED_ |