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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/assert.hpp>
- #include <boost/hana/equal.hpp>
- #include <boost/hana/not.hpp>
- #include <boost/hana/not_equal.hpp> // for operator !=
- #include <boost/hana/optional.hpp>
- #include <laws/base.hpp>
- namespace hana = boost::hana;
- int main() {
- hana::test::ct_eq<3> x{};
- hana::test::ct_eq<4> y{};
- BOOST_HANA_CONSTANT_CHECK(hana::equal(hana::nothing, hana::nothing));
- BOOST_HANA_CONSTANT_CHECK(hana::not_(hana::equal(hana::nothing, hana::just(x))));
- BOOST_HANA_CONSTANT_CHECK(hana::not_(hana::equal(hana::just(x), hana::nothing)));
- BOOST_HANA_CONSTANT_CHECK(hana::equal(hana::just(x), hana::just(x)));
- BOOST_HANA_CONSTANT_CHECK(hana::not_(hana::equal(hana::just(x), hana::just(y))));
- BOOST_HANA_CONSTANT_CHECK(hana::nothing == hana::nothing);
- BOOST_HANA_CONSTANT_CHECK(hana::just(x) == hana::just(x));
- BOOST_HANA_CONSTANT_CHECK(hana::just(x) != hana::just(y));
- BOOST_HANA_CONSTANT_CHECK(hana::just(x) != hana::nothing);
- BOOST_HANA_CONSTANT_CHECK(hana::nothing != hana::just(x));
- }
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