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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/detail/canonical_constant.hpp>
- #include <boost/hana/tuple.hpp>
- #include <laws/comparable.hpp>
- #include <laws/constant.hpp>
- #include <laws/euclidean_ring.hpp>
- #include <laws/group.hpp>
- #include <laws/logical.hpp>
- #include <laws/monoid.hpp>
- #include <laws/orderable.hpp>
- #include <laws/ring.hpp>
- namespace hana = boost::hana;
- template <typename T, T v>
- struct canonical {
- static constexpr T value = v;
- using hana_tag = hana::detail::CanonicalConstant<T>;
- };
- int main() {
- auto ints = hana::make_tuple(
- canonical<int, -10>{}, canonical<int, -2>{}, canonical<int, 0>{},
- canonical<int, 1>{}, canonical<int, 3>{}, canonical<int, 4>{}
- );
- auto bools = hana::make_tuple(canonical<bool, true>{}, canonical<bool, false>{});
- // Constant
- hana::test::TestConstant<hana::detail::CanonicalConstant<int>>{ints, hana::tuple_t<int, long, long long>};
- hana::test::TestConstant<hana::detail::CanonicalConstant<bool>>{bools, hana::tuple_t<bool>};
- // Monoid, Group, Ring, EuclideanRing
- hana::test::TestMonoid<hana::detail::CanonicalConstant<int>>{ints};
- hana::test::TestGroup<hana::detail::CanonicalConstant<int>>{ints};
- hana::test::TestRing<hana::detail::CanonicalConstant<int>>{ints};
- hana::test::TestEuclideanRing<hana::detail::CanonicalConstant<int>>{ints};
- // Logical
- {
- auto ints = hana::make_tuple(
- canonical<int, -2>{}, canonical<int, 0>{},
- canonical<int, 1>{}, canonical<int, 3>{}
- );
- hana::test::TestLogical<hana::detail::CanonicalConstant<int>>{ints};
- hana::test::TestLogical<hana::detail::CanonicalConstant<bool>>{bools};
- }
- // Comparable and Orderable
- hana::test::TestComparable<hana::detail::CanonicalConstant<int>>{ints};
- hana::test::TestOrderable<hana::detail::CanonicalConstant<int>>{ints};
- }
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