#include <boost/type_traits/integral_constant.hpp>
#include <boost/describe/class.hpp>
struct X
{
};
BOOST_DESCRIBE_STRUCT( X, (), () )
namespace boost
{
namespace container_hash
{
template<class T> struct is_described_class;
template<> struct is_described_class<X>: boost::false_type {};
} }
#include <boost/container_hash/is_described_class.hpp>
#include <boost/core/lightweight_test_trait.hpp>
int main()
{
using boost::container_hash::is_described_class;
BOOST_TEST_TRAIT_FALSE((is_described_class<X>));
return boost::report_errors();
}