/*! @file Defines `boost::hana::detail::nested_than`. @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_DETAIL_NESTED_THAN_HPP #define BOOST_HANA_DETAIL_NESTED_THAN_HPP #include <boost/hana/detail/nested_than_fwd.hpp> #include <boost/hana/config.hpp> #include <boost/hana/functional/flip.hpp> #include <boost/hana/functional/partial.hpp> BOOST_HANA_NAMESPACE_BEGIN namespace detail { //! @cond template <typename Algorithm> template <typename X> constexpr decltype(auto) nested_than_t<Algorithm>::operator()(X&& x) const { return hana::partial(hana::flip(Algorithm{}), static_cast<X&&>(x)); } //! @endcond } BOOST_HANA_NAMESPACE_END #endif // !BOOST_HANA_DETAIL_NESTED_THAN_HPP