boost/type_traits/is_stateless.hpp
// (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