#include <boost/hana/value.hpp>
-BOOST_HANA_NAMESPACE_BEGIN
+namespace boost { namespace hana {
//! @cond
template <typename X, typename Y>
constexpr auto less_t::operator()(X&& x, Y&& y) const {
static constexpr auto apply(Xs const& xs, Ys const& ys)
{ return hana::lexicographical_compare(xs, ys); }
};
-BOOST_HANA_NAMESPACE_END
+}} // end namespace boost::hana
#endif // !BOOST_HANA_LESS_HPP