| |
| // (C) Copyright Steve Cleary, Beman Dawes, Howard Hinnant & John Maddock 2000. |
| // Use, modification and distribution are subject to 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). |
| // |
| // See http://www.boost.org/libs/type_traits for most recent version including documentation. |
| |
| #ifndef BOOST_TT_IS_STATELESS_HPP_INCLUDED |
| #define BOOST_TT_IS_STATELESS_HPP_INCLUDED |
| |
| #include <boost/type_traits/has_trivial_constructor.hpp> |
| #include <boost/type_traits/has_trivial_copy.hpp> |
| #include <boost/type_traits/has_trivial_destructor.hpp> |
| #include <boost/type_traits/is_class.hpp> |
| #include <boost/type_traits/is_empty.hpp> |
| #include <boost/config.hpp> |
| |
| namespace boost { |
| |
| template <typename T> |
| struct is_stateless |
| : public integral_constant<bool, |
| (::boost::has_trivial_constructor<T>::value |
| && ::boost::has_trivial_copy<T>::value |
| && ::boost::has_trivial_destructor<T>::value |
| && ::boost::is_class<T>::value |
| && ::boost::is_empty<T>::value)> |
| {}; |
| |
| } // namespace boost |
| |
| #endif // BOOST_TT_IS_STATELESS_HPP_INCLUDED |
