/*! @file Forward declares `boost::hana::max`. @copyright Louis Dionne 2013-2016 Distributed under the Boost Software License, Version 1.0. (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt) */ #ifndef BOOST_HANA_FWD_MAX_HPP #define BOOST_HANA_FWD_MAX_HPP #include #include BOOST_HANA_NAMESPACE_BEGIN //! Returns the greatest of its arguments according to the `less` ordering. //! @ingroup group-Orderable //! //! //! @todo Can't specify the signature here either. See `min` for details. //! //! Example //! ------- //! @include example/max.cpp #ifdef BOOST_HANA_DOXYGEN_INVOKED constexpr auto max = [](auto&& x, auto&& y) -> decltype(auto) { return tag-dispatched; }; #else template struct max_impl : max_impl> { }; struct max_t { template constexpr decltype(auto) operator()(X&& x, Y&& y) const; }; constexpr max_t max{}; #endif BOOST_HANA_NAMESPACE_END #endif // !BOOST_HANA_FWD_MAX_HPP