#include <utility>
-BOOST_HANA_NAMESPACE_BEGIN
+namespace boost { namespace hana {
//! @cond
template <typename F, typename Xs, typename ...Ys>
constexpr auto zip_with_t::operator()(F&& f, Xs&& xs, Ys&& ...ys) const {
static_cast<X&&>(x), static_cast<Xs&&>(xs)...);
}
};
-BOOST_HANA_NAMESPACE_END
+}} // end namespace boost::hana
#endif // !BOOST_HANA_ZIP_WITH_HPP