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b32b8144 | 1 | // Copyright Louis Dionne 2013-2017 |
7c673cae FG |
2 | // Distributed under the Boost Software License, Version 1.0. |
3 | // (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt) | |
4 | ||
5 | #include <boost/hana/assert.hpp> | |
6 | #include <boost/hana/contains.hpp> | |
7 | #include <boost/hana/equal.hpp> | |
8 | #include <boost/hana/map.hpp> | |
9 | #include <boost/hana/permutations.hpp> | |
10 | ||
11 | #include <laws/base.hpp> | |
12 | #include <support/minimal_product.hpp> | |
13 | #include <support/seq.hpp> | |
14 | namespace hana = boost::hana; | |
15 | ||
16 | ||
17 | template <int i> | |
18 | auto key() { return hana::test::ct_eq<i>{}; } | |
19 | ||
20 | template <int i> | |
21 | auto val() { return hana::test::ct_eq<-i>{}; } | |
22 | ||
23 | template <int i, int j> | |
24 | auto p() { return ::minimal_product(key<i>(), val<j>()); } | |
25 | ||
26 | int main() { | |
27 | constexpr auto list = ::seq; | |
28 | ||
29 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
30 | hana::values(hana::make_map()), | |
31 | list() | |
32 | )); | |
33 | ||
34 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
35 | hana::values(hana::make_map(p<1, 1>())), | |
36 | list(val<1>()) | |
37 | )); | |
38 | ||
39 | BOOST_HANA_CONSTANT_CHECK(hana::contains( | |
40 | hana::permutations(list(val<1>(), val<2>())), | |
41 | hana::values(hana::make_map(p<1, 1>(), p<2, 2>())) | |
42 | )); | |
43 | ||
44 | BOOST_HANA_CONSTANT_CHECK(hana::contains( | |
45 | hana::permutations(list(val<1>(), val<2>(), val<3>())), | |
46 | hana::values(hana::make_map(p<1, 1>(), p<2, 2>(), p<3, 3>())) | |
47 | )); | |
48 | } |