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1 | // Copyright Louis Dionne 2013-2016 |
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/equal.hpp> | |
7 | #include <boost/hana/ext/std/integer_sequence.hpp> | |
8 | #include <boost/hana/ext/std/integral_constant.hpp> | |
9 | #include <boost/hana/unpack.hpp> | |
10 | ||
11 | #include <laws/base.hpp> | |
12 | ||
13 | #include <type_traits> | |
14 | #include <utility> | |
15 | namespace hana = boost::hana; | |
16 | ||
17 | ||
18 | int main() { | |
19 | hana::test::_injection<0> f{}; | |
20 | ||
21 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
22 | hana::unpack(std::integer_sequence<int>{}, f), | |
23 | f() | |
24 | )); | |
25 | ||
26 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
27 | hana::unpack(std::integer_sequence<int, 0>{}, f), | |
28 | f(std::integral_constant<int, 0>{}) | |
29 | )); | |
30 | ||
31 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
32 | hana::unpack(std::integer_sequence<int, 0, 1>{}, f), | |
33 | f(std::integral_constant<int, 0>{}, std::integral_constant<int, 1>{}) | |
34 | )); | |
35 | ||
36 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
37 | hana::unpack(std::integer_sequence<int, 0, 1, 2>{}, f), | |
38 | f(std::integral_constant<int, 0>{}, std::integral_constant<int, 1>{}, | |
39 | std::integral_constant<int, 2>{}) | |
40 | )); | |
41 | ||
42 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
43 | hana::unpack(std::integer_sequence<int, 0, 1, 2, 3>{}, f), | |
44 | f(std::integral_constant<int, 0>{}, std::integral_constant<int, 1>{}, | |
45 | std::integral_constant<int, 2>{}, std::integral_constant<int, 3>{}) | |
46 | )); | |
47 | } |