// Copyright Louis Dionne 2013-2017 // Distributed under the Boost Software License, Version 1.0. // (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt) #include #include #include #include namespace hana = boost::hana; int main() { BOOST_HANA_CONSTEXPR_LAMBDA auto add = [](auto x, auto y, auto z) { return x + y + z; }; BOOST_HANA_CONSTEXPR_CHECK(hana::unpack(hana::make_tuple(1, 2, 3), add) == 6); }