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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/ext/boost/tuple.hpp>
- #include <boost/hana/bool.hpp>
- #include <boost/hana/equal.hpp>
- #include <boost/hana/functional/always.hpp>
- #include <boost/hana/tuple.hpp>
- #include <laws/base.hpp>
- #include <laws/monad_plus.hpp>
- #include <boost/tuple/tuple.hpp>
- namespace hana = boost::hana;
- template <int i>
- using eq = hana::test::ct_eq<i>;
- int main() {
- //////////////////////////////////////////////////////////////////////////
- // Setup for the laws below
- //////////////////////////////////////////////////////////////////////////
- auto eq_tuples = hana::make_tuple(
- ::boost::make_tuple(eq<0>{})
- , ::boost::make_tuple(eq<0>{}, eq<1>{})
- , ::boost::make_tuple(eq<0>{}, eq<1>{}, eq<2>{})
- );
- auto eq_values = hana::make_tuple(eq<0>{}, eq<1>{}, eq<2>{});
- auto predicates = hana::make_tuple(
- hana::equal.to(eq<0>{}), hana::equal.to(eq<1>{}), hana::equal.to(eq<2>{}),
- hana::always(hana::false_c), hana::always(hana::true_c)
- );
- //////////////////////////////////////////////////////////////////////////
- // MonadPlus
- //////////////////////////////////////////////////////////////////////////
- hana::test::TestMonadPlus<hana::ext::boost::tuple_tag>{eq_tuples, predicates, eq_values};
- }
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