#include <boost/hana/unpack.hpp>
-BOOST_HANA_NAMESPACE_BEGIN
+namespace boost { namespace hana {
//! @cond
template <typename Xs, typename Pred>
constexpr auto take_while_t::operator()(Xs&& xs, Pred&& pred) const {
return hana::take_front(static_cast<Xs&&>(xs), FirstUnsatisfied{});
}
};
-BOOST_HANA_NAMESPACE_END
+}} // end namespace boost::hana
#endif // !BOOST_HANA_TAKE_WHILE_HPP