43 lines
1.4 KiB
C++
43 lines
1.4 KiB
C++
// Copyright Louis Dionne 2013-2017
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
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#include <boost/hana/ext/boost/tuple.hpp>
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#include <boost/hana/bool.hpp>
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#include <boost/hana/equal.hpp>
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#include <boost/hana/functional/always.hpp>
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#include <boost/hana/tuple.hpp>
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#include <laws/base.hpp>
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#include <laws/monad_plus.hpp>
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#include <boost/tuple/tuple.hpp>
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namespace hana = boost::hana;
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template <int i>
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using eq = hana::test::ct_eq<i>;
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int main() {
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//////////////////////////////////////////////////////////////////////////
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// Setup for the laws below
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//////////////////////////////////////////////////////////////////////////
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auto eq_tuples = hana::make_tuple(
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::boost::make_tuple(eq<0>{})
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, ::boost::make_tuple(eq<0>{}, eq<1>{})
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, ::boost::make_tuple(eq<0>{}, eq<1>{}, eq<2>{})
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);
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auto eq_values = hana::make_tuple(eq<0>{}, eq<1>{}, eq<2>{});
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auto predicates = hana::make_tuple(
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hana::equal.to(eq<0>{}), hana::equal.to(eq<1>{}), hana::equal.to(eq<2>{}),
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hana::always(hana::false_c), hana::always(hana::true_c)
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);
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//////////////////////////////////////////////////////////////////////////
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// MonadPlus
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//////////////////////////////////////////////////////////////////////////
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hana::test::TestMonadPlus<hana::ext::boost::tuple_tag>{eq_tuples, predicates, eq_values};
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}
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