#include <boost/hana/config.hpp>
-BOOST_HANA_NAMESPACE_BEGIN
+namespace boost { namespace hana {
//! Equivalent to `reverse_fold` in Boost.Fusion and Boost.MPL.
//! @ingroup group-Foldable
//!
constexpr decltype(auto) operator()(Xs&& xs, F&& f) const;
};
- constexpr reverse_fold_t reverse_fold{};
+ BOOST_HANA_INLINE_VARIABLE constexpr reverse_fold_t reverse_fold{};
#endif
-BOOST_HANA_NAMESPACE_END
+}} // end namespace boost::hana
#endif // !BOOST_HANA_FWD_REVERSE_FOLD_HPP