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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/front.hpp> | |
10 | ||
11 | #include <type_traits> | |
12 | #include <utility> | |
13 | namespace hana = boost::hana; | |
14 | ||
15 | ||
16 | int main() { | |
17 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
18 | hana::front(std::index_sequence<0>{}), | |
19 | std::integral_constant<std::size_t, 0>{} | |
20 | )); | |
21 | ||
22 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
23 | hana::front(std::index_sequence<0, 1>{}), | |
24 | std::integral_constant<std::size_t, 0>{} | |
25 | )); | |
26 | ||
27 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
28 | hana::front(std::integer_sequence<int, -3, 1, 2, 3, 4>{}), | |
29 | std::integral_constant<int, -3>{} | |
30 | )); | |
31 | } |