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/config.hpp>
7 #include <boost/hana/tuple.hpp>
8 #include <boost/hana/unpack.hpp>
9 namespace hana = boost::hana;
10 
11 
main()12 int main() {
13     BOOST_HANA_CONSTEXPR_LAMBDA auto add = [](auto x, auto y, auto z) {
14         return x + y + z;
15     };
16 
17     BOOST_HANA_CONSTEXPR_CHECK(hana::unpack(hana::make_tuple(1, 2, 3), add) == 6);
18 }
19