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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/eval_if.hpp>
- #include <boost/hana/integral_constant.hpp>
- #include <boost/hana/not.hpp>
- #include <boost/hana/tuple.hpp>
- #include <laws/base.hpp>
- #include <laws/logical.hpp>
- namespace hana = boost::hana;
- int main() {
- // eval_if
- {
- auto t = [](auto) { return hana::test::ct_eq<3>{}; };
- auto e = [](auto) { return hana::test::ct_eq<4>{}; };
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::eval_if(hana::true_c, t, e),
- hana::test::ct_eq<3>{}
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::eval_if(hana::false_c, t, e),
- hana::test::ct_eq<4>{}
- ));
- }
- // not_
- {
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::not_(hana::true_c),
- hana::false_c
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::not_(hana::false_c),
- hana::true_c
- ));
- }
- // laws
- hana::test::TestLogical<hana::integral_constant_tag<int>>{hana::make_tuple(
- hana::int_c<-2>, hana::int_c<0>, hana::int_c<1>, hana::int_c<3>
- )};
- hana::test::TestLogical<hana::integral_constant_tag<bool>>{hana::make_tuple(
- hana::false_c, hana::true_c
- )};
- }
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