diff options
author | DongHun Kwak <dh0128.kwak@samsung.com> | 2016-10-06 10:38:45 +0900 |
---|---|---|
committer | DongHun Kwak <dh0128.kwak@samsung.com> | 2016-10-06 10:39:52 +0900 |
commit | 5cde13f21d36c7224b0e13d11c4b49379ae5210d (patch) | |
tree | e8269ac85a4b0f7d416e2565fa4f451b5cb41351 /boost/hana/reverse_fold.hpp | |
parent | d9ec475d945d3035377a0d89ed42e382d8988891 (diff) | |
download | boost-5cde13f21d36c7224b0e13d11c4b49379ae5210d.tar.gz boost-5cde13f21d36c7224b0e13d11c4b49379ae5210d.tar.bz2 boost-5cde13f21d36c7224b0e13d11c4b49379ae5210d.zip |
Imported Upstream version 1.61.0
Change-Id: I96a1f878d1e6164f01e9aadd5147f38fca448d90
Signed-off-by: DongHun Kwak <dh0128.kwak@samsung.com>
Diffstat (limited to 'boost/hana/reverse_fold.hpp')
-rw-r--r-- | boost/hana/reverse_fold.hpp | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/boost/hana/reverse_fold.hpp b/boost/hana/reverse_fold.hpp new file mode 100644 index 0000000000..1cf07f931f --- /dev/null +++ b/boost/hana/reverse_fold.hpp @@ -0,0 +1,37 @@ +/*! +@file +Defines `boost::hana::reverse_fold`. + +@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_REVERSE_FOLD_HPP +#define BOOST_HANA_REVERSE_FOLD_HPP + +#include <boost/hana/fwd/reverse_fold.hpp> + +#include <boost/hana/config.hpp> +#include <boost/hana/fold_right.hpp> +#include <boost/hana/functional/flip.hpp> + + +BOOST_HANA_NAMESPACE_BEGIN + //! @cond + template <typename Xs, typename S, typename F> + constexpr decltype(auto) reverse_fold_t::operator()(Xs&& xs, S&& s, F&& f) const { + return hana::fold_right(static_cast<Xs&&>(xs), + static_cast<S&&>(s), + hana::flip(static_cast<F&&>(f))); + } + + template <typename Xs, typename F> + constexpr decltype(auto) reverse_fold_t::operator()(Xs&& xs, F&& f) const { + return hana::fold_right(static_cast<Xs&&>(xs), + hana::flip(static_cast<F&&>(f))); + } + //! @endcond +BOOST_HANA_NAMESPACE_END + +#endif // !BOOST_HANA_REVERSE_FOLD_HPP |