%PDF- %PDF-
Direktori : /proc/309157/task/309157/root/usr/include/boost/hana/fwd/ |
Current File : //proc/309157/task/309157/root/usr/include/boost/hana/fwd/max.hpp |
/*! @file Forward declares `boost::hana::max`. @copyright Louis Dionne 2013-2017 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 <boost/hana/config.hpp> #include <boost/hana/core/when.hpp> 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 <typename T, typename U, typename = void> struct max_impl : max_impl<T, U, when<true>> { }; struct max_t { template <typename X, typename Y> constexpr decltype(auto) operator()(X&& x, Y&& y) const; }; constexpr max_t max{}; #endif BOOST_HANA_NAMESPACE_END #endif // !BOOST_HANA_FWD_MAX_HPP