30 lines
883 B
C++
30 lines
883 B
C++
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/*!
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@file
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Defines `boost::hana::detail::nested_than`.
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@copyright Louis Dionne 2013-2016
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Distributed under the Boost Software License, Version 1.0.
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(See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
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*/
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#ifndef BOOST_HANA_DETAIL_NESTED_THAN_HPP
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#define BOOST_HANA_DETAIL_NESTED_THAN_HPP
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#include <boost/hana/detail/nested_than_fwd.hpp>
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#include <boost/hana/config.hpp>
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#include <boost/hana/functional/flip.hpp>
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#include <boost/hana/functional/partial.hpp>
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BOOST_HANA_NAMESPACE_BEGIN namespace detail {
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//! @cond
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template <typename Algorithm>
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template <typename X>
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constexpr decltype(auto) nested_than_t<Algorithm>::operator()(X&& x) const
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{ return hana::partial(hana::flip(Algorithm{}), static_cast<X&&>(x)); }
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//! @endcond
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} BOOST_HANA_NAMESPACE_END
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#endif // !BOOST_HANA_DETAIL_NESTED_THAN_HPP
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