#include <boost/hana/less.hpp>
-BOOST_HANA_NAMESPACE_BEGIN
+namespace boost { namespace hana {
//! @cond
template <typename Xs, typename Ys>
constexpr auto lexicographical_compare_t::operator()(Xs const& xs, Ys const& ys) const {
>);
}
};
-BOOST_HANA_NAMESPACE_END
+}} // end namespace boost::hana
#endif // !BOOST_HANA_LEXICOGRAPHICAL_COMPARE_HPP