#include <boost/hana/core/make.hpp>
-BOOST_HANA_NAMESPACE_BEGIN
+namespace boost { namespace hana {
//! @cond
template <typename M>
constexpr auto empty_t<M>::operator()() const {
return hana::make<S>();
}
};
-BOOST_HANA_NAMESPACE_END
+}} // end namespace boost::hana
#endif // !BOOST_HANA_EMPTY_HPP