1 // Copyright Louis Dionne 2013-2017
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/core/to.hpp>
7 #include <boost/hana/equal.hpp>
8 #include <boost/hana/ext/std/array.hpp>
9 #include <boost/hana/ext/std/tuple.hpp>
10 #include <boost/hana/integral_constant.hpp>
11 #include <boost/hana/range.hpp>
12 #include <boost/hana/tuple.hpp>
13
14 #include <array>
15 #include <tuple>
16 namespace hana = boost::hana;
17
18
main()19 int main() {
20 static_assert(
21 hana::to_tuple(std::make_tuple(1, '2', 3.3)) == hana::make_tuple(1, '2', 3.3)
22 , "");
23
24 BOOST_HANA_CONSTANT_CHECK(
25 hana::to_tuple(hana::make_range(hana::int_c<1>, hana::int_c<4>))
26 ==
27 hana::make_tuple(hana::int_c<1>, hana::int_c<2>, hana::int_c<3>)
28 );
29
30 // std::array's operator[] is not constexpr, so we can't use static_assert
31 BOOST_HANA_CONSTEXPR_CHECK(
32 hana::to_tuple(std::array<int, 3>{{1, 2, 3}}) == hana::make_tuple(1, 2, 3)
33 );
34 }
35