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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/ext/std/integral_constant.hpp> | |
6 | ||
7 | #include <boost/hana/tuple.hpp> | |
8 | #include <boost/hana/value.hpp> | |
9 | ||
10 | #include <laws/constant.hpp> | |
11 | ||
12 | #include <type_traits> | |
13 | namespace hana = boost::hana; | |
14 | ||
15 | ||
16 | int main() { | |
17 | // value | |
18 | static_assert(hana::value(std::integral_constant<int, 0>{}) == 0, ""); | |
19 | static_assert(hana::value(std::integral_constant<int, 1>{}) == 1, ""); | |
20 | static_assert(hana::value(std::integral_constant<int, 3>{}) == 3, ""); | |
21 | ||
22 | // laws | |
23 | hana::test::TestConstant<hana::ext::std::integral_constant_tag<int>>{ | |
24 | hana::make_tuple( | |
25 | std::integral_constant<int, -10>{}, | |
26 | std::integral_constant<int, -2>{}, | |
27 | std::integral_constant<int, 0>{}, | |
28 | std::integral_constant<int, 1>{}, | |
29 | std::integral_constant<int, 3>{} | |
30 | ), | |
31 | hana::tuple_t<int, long, long long> | |
32 | }; | |
33 | } |