[ceph.git] / ceph / src / boost / libs / hana / example / ext / std / array / comparable.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/assert.hpp>
#include <boost/hana/equal.hpp>
#include <boost/hana/ext/std/array.hpp>
#include <boost/hana/not_equal.hpp>

#include <array>
namespace hana = boost::hana;


constexpr std::array<int, 4> xs = {{1, 2, 3, 4}};
constexpr std::array<int, 5> ys = {{1, 2, 3, 4, 5}};

// arrays have different constexpr contents; result is a constexpr bool
static_assert(hana::equal(xs, xs), "");

// arrays have different lengths; result is an integral_constant
BOOST_HANA_CONSTANT_CHECK(hana::not_equal(xs, ys));


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/assert.hpp>
	6	#include <boost/hana/equal.hpp>
	7	#include <boost/hana/ext/std/array.hpp>
	8	#include <boost/hana/not_equal.hpp>
	9
	10	#include <array>
	11	namespace hana = boost::hana;
	12
	13
	14	constexpr std::array<int, 4> xs = {{1, 2, 3, 4}};
	15	constexpr std::array<int, 5> ys = {{1, 2, 3, 4, 5}};
	16
	17	// arrays have different constexpr contents; result is a constexpr bool
	18	static_assert(hana::equal(xs, xs), "");
	19
	20	// arrays have different lengths; result is an integral_constant
	21	BOOST_HANA_CONSTANT_CHECK(hana::not_equal(xs, ys));
	22
	23
	24	int main() { }