#include <boost/hana/functional/partial.hpp>
-BOOST_HANA_NAMESPACE_BEGIN
+namespace boost { namespace hana {
//! @cond
template <typename Xs, typename Ys>
constexpr auto is_subset_t::operator()(Xs&& xs, Ys&& ys) const {
hana::to<C>(static_cast<Ys&&>(ys)));
}
};
-BOOST_HANA_NAMESPACE_END
+}} // end namespace boost::hana
#endif // !BOOST_HANA_IS_SUBSET_HPP