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15 lines
476 B
C++
15 lines
476 B
C++
// 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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#include <boost/hana/fold_right.hpp>
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#include <boost/hana/optional.hpp>
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#include <boost/hana/plus.hpp>
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namespace hana = boost::hana;
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static_assert(hana::fold_right(hana::nothing, 1, hana::plus) == 1, "");
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static_assert(hana::fold_right(hana::just(4), 1, hana::plus) == 5, "");
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int main() { }
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