#include <utility>
-BOOST_HANA_NAMESPACE_BEGIN
+namespace boost { namespace hana {
//! @cond
template <typename Xs, typename F>
constexpr auto scan_left_t::operator()(Xs&& xs, F const& f) const {
f, std::make_index_sequence<Len>{});
}
};
-BOOST_HANA_NAMESPACE_END
+}} // end namespace boost::hana
#endif // !BOOST_HANA_SCAN_LEFT_HPP