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- // 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)
- #include <boost/hana/fold_left.hpp>
- #include <boost/hana/fold_right.hpp>
- #include <boost/hana/minus.hpp>
- #include <boost/hana/pair.hpp>
- #include <boost/hana/plus.hpp>
- namespace hana = boost::hana;
- static_assert(hana::fold_left(hana::make_pair(1, 3), 0, hana::plus) == 4, "");
- static_assert(hana::fold_right(hana::make_pair(1, 3), 0, hana::minus) == -2, "");
- int main() { }
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