34 lines
1.1 KiB
Plaintext
34 lines
1.1 KiB
Plaintext
|
|
||
|
|
// (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
|