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35 lines
1.1 KiB
C++
35 lines
1.1 KiB
C++
/*
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@copyright Louis Dionne 2014
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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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*/
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#include <boost/hana/map.hpp>
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#include <boost/hana/detail/assert.hpp>
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#include <boost/hana/detail/constexpr.hpp>
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#include <boost/hana/detail/minimal/comparable.hpp>
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#include <boost/hana/detail/minimal/list.hpp>
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#include <boost/hana/detail/minimal/product.hpp>
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using namespace boost::hana;
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template <int i>
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constexpr auto key = detail::minimal::comparable<>(i);
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template <int i>
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constexpr auto value = detail::minimal::comparable<>(i + 100);
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template <int i, int j>
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constexpr auto p = detail::minimal::product<>(key<i>, value<j>);
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int main() {
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using L = detail::minimal::List<>;
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constexpr auto list = detail::minimal::list<>;
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BOOST_HANA_CONSTANT_ASSERT(to<L>(map()) == list());
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BOOST_HANA_CONSTEXPR_ASSERT(to<L>(map(p<1, 1>)) == list(p<1, 1>));
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BOOST_HANA_CONSTEXPR_ASSERT(elem(permutations(list(p<1, 1>, p<2, 2>)), to<L>(map(p<1, 1>, p<2, 2>))));
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BOOST_HANA_CONSTEXPR_ASSERT(elem(permutations(list(p<1, 1>, p<2, 2>, p<3, 3>)), to<L>(map(p<1, 1>, p<2, 2>, p<3, 3>))));
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}
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