// (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/type_traits/detail/ice_and.hpp> | |
#include <boost/config.hpp> | |
// should be the last #include | |
#include <boost/type_traits/detail/bool_trait_def.hpp> | |
namespace boost { | |
namespace detail { | |
template <typename T> | |
struct is_stateless_impl | |
{ | |
BOOST_STATIC_CONSTANT(bool, value = | |
(::boost::type_traits::ice_and< | |
::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 | |
>::value)); | |
}; | |
} // namespace detail | |
BOOST_TT_AUX_BOOL_TRAIT_DEF1(is_stateless,T,::boost::detail::is_stateless_impl<T>::value) | |
} // namespace boost | |
#include <boost/type_traits/detail/bool_trait_undef.hpp> | |
#endif // BOOST_TT_IS_STATELESS_HPP_INCLUDED |