83 lines
2.1 KiB
C++
83 lines
2.1 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/assert.hpp>
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#include <boost/hana/equal.hpp>
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#include <boost/hana/map.hpp>
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#include <boost/hana/union.hpp>
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#include <laws/base.hpp>
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#include <support/minimal_product.hpp>
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namespace hana = boost::hana;
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template <int i>
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auto key() { return hana::test::ct_eq<i>{}; }
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template <int i>
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auto val() { return hana::test::ct_eq<-i>{}; }
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template <int i, int j>
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auto p() { return ::minimal_product(key<i>(), val<j>()); }
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int main() {
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BOOST_HANA_CONSTANT_CHECK(hana::equal(
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hana::union_(
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hana::make_map(),
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hana::make_map()
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),
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hana::make_map()
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));
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BOOST_HANA_CONSTANT_CHECK(hana::equal(
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hana::union_(
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hana::make_map(
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p<1, 1>()
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),
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hana::make_map()
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),
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hana::make_map(p<1, 1>())
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));
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BOOST_HANA_CONSTANT_CHECK(hana::equal(
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hana::union_(
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hana::make_map(),
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hana::make_map(p<1, 1>())
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),
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hana::make_map(p<1, 1>())
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));
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BOOST_HANA_CONSTANT_CHECK(hana::equal(
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hana::union_(
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hana::make_map(p<1, 1>()),
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hana::make_map(p<1, 1>())
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),
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hana::make_map(p<1, 1>())
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));
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BOOST_HANA_CONSTANT_CHECK(hana::equal(
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hana::union_(
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hana::make_map(p<1, 2>()),
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hana::make_map(p<1, 3>())
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),
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hana::make_map(p<1, 3>())
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));
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BOOST_HANA_CONSTANT_CHECK(hana::equal(
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hana::union_(
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hana::make_map(p<1, 10>(),
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p<2, 20>(),
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p<3, 30>()),
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hana::make_map(p<4, 40>(),
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p<5, 50>(),
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p<1, 100>())
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),
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hana::make_map(p<2, 20>(),
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p<3, 30>(),
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p<4, 40>(),
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p<5, 50>(),
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p<1, 100>())
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));
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}
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