| 1 | // Copyright Louis Dionne 2013-2022 |
|---|---|
| 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 | //! [main] |
| 6 | #include <boost/hana/ext/std/tuple.hpp> |
| 7 | #include <boost/hana/front.hpp> |
| 8 | #include <tuple> // still required to create a tuple |
| 9 | namespace hana = boost::hana; |
| 10 | |
| 11 | |
| 12 | int main() { |
| 13 | constexpr std::tuple<int, char, float> xs{1, '2', 3.0f}; |
| 14 | static_assert(hana::front(xs) == 1, ""); |
| 15 | } |
| 16 | //! [main] |
| 17 |