#include <boost/hana/detail/nested_by_fwd.hpp>
-BOOST_HANA_NAMESPACE_BEGIN
+namespace boost { namespace hana {
//! Return the greatest element of a non-empty structure with respect to
//! a `predicate`, by default `less`.
//! @ingroup group-Foldable
constexpr decltype(auto) operator()(Xs&& xs, Predicate&& pred) const;
};
- constexpr maximum_t maximum{};
+ BOOST_HANA_INLINE_VARIABLE constexpr maximum_t maximum{};
#endif
-BOOST_HANA_NAMESPACE_END
+}} // end namespace boost::hana
#endif // !BOOST_HANA_FWD_MAXIMUM_HPP