#include <type_traits>
-BOOST_HANA_NAMESPACE_BEGIN
+namespace boost { namespace hana {
//! @cond
template <typename X, typename Y>
constexpr decltype(auto) mod_t::operator()(X&& x, Y&& y) const {
static constexpr decltype(auto) apply(X const&, Y const&)
{ return hana::to<C>(detail::constant_from_mod<C, X, Y>{}); }
};
-BOOST_HANA_NAMESPACE_END
+}} // end namespace boost::hana
#endif // !BOOST_HANA_MOD_HPP