| 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 | #include <boost/hana/functional/lockstep.hpp> |
| 6 | #include <boost/hana/plus.hpp> |
| 7 | namespace hana = boost::hana; |
| 8 | |
| 9 | |
| 10 | constexpr int to_int(char c) { |
| 11 | return static_cast<int>(c) - 48; |
| 12 | } |
| 13 | |
| 14 | constexpr int increment(int i) { |
| 15 | return i + 1; |
| 16 | } |
| 17 | |
| 18 | static_assert(hana::lockstep(hana::plus)(to_int, increment)('3', 4) == 3 + 5, ""); |
| 19 | |
| 20 | int main() { } |
| 21 |