Imported Upstream version 1.64.0
[platform/upstream/boost.git] / libs / hana / example / set / to.cpp
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/integral_constant.hpp>
9 #include <boost/hana/set.hpp>
10 #include <boost/hana/tuple.hpp>
11 #include <boost/hana/type.hpp>
12 namespace hana = boost::hana;
13
14
15 int main() {
16     constexpr auto xs = hana::make_tuple(
17         hana::int_c<1>,
18         hana::int_c<3>,
19         hana::type_c<int>,
20         hana::long_c<1>
21     );
22
23     BOOST_HANA_CONSTANT_CHECK(
24         hana::to<hana::set_tag>(xs)
25             ==
26         hana::make_set(hana::int_c<1>, hana::int_c<3>, hana::type_c<int>)
27     );
28 }