123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263 |
- // 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/ext/std/integral_constant.hpp>
- #include <boost/hana/assert.hpp>
- #include <boost/hana/equal.hpp>
- #include <boost/hana/eval_if.hpp>
- #include <boost/hana/functional/always.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>
- #include <type_traits>
- namespace hana = boost::hana;
- int main() {
- // eval_if
- {
- auto t = hana::test::ct_eq<3>{};
- auto e = hana::test::ct_eq<4>{};
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::eval_if(std::true_type{}, hana::always(t), hana::always(e)),
- t
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::eval_if(std::false_type{}, hana::always(t), hana::always(e)),
- e
- ));
- }
- // not_
- {
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::not_(std::true_type{}),
- std::false_type{}
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::not_(std::false_type{}),
- std::true_type{}
- ));
- }
- auto ints = hana::make_tuple(
- std::integral_constant<int, -2>{},
- std::integral_constant<int, 0>{},
- std::integral_constant<int, 1>{},
- std::integral_constant<int, 3>{}
- );
- auto bools = hana::make_tuple(std::true_type{}, std::false_type{});
- // laws
- hana::test::TestLogical<hana::ext::std::integral_constant_tag<int>>{ints};
- hana::test::TestLogical<hana::ext::std::integral_constant_tag<bool>>{bools};
- }
|