[ceph.git] / ceph / src / boost / libs / hana / example / pair / foldable.cpp

// 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() { }
Commit	Line	Data
b32b8144	1	// Copyright Louis Dionne 2013-2017
7c673cae FG	2	// Distributed under the Boost Software License, Version 1.0.
	3	// (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
	4
	5	#include <boost/hana/fold_left.hpp>
	6	#include <boost/hana/fold_right.hpp>
	7	#include <boost/hana/minus.hpp>
	8	#include <boost/hana/pair.hpp>
	9	#include <boost/hana/plus.hpp>
	10	namespace hana = boost::hana;
	11
	12
	13	static_assert(hana::fold_left(hana::make_pair(1, 3), 0, hana::plus) == 4, "");
	14	static_assert(hana::fold_right(hana::make_pair(1, 3), 0, hana::minus) == -2, "");
	15
	16	int main() { }