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- /*!
- @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
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