| 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/optional.hpp> |
| 6 | |
| 7 | #include <laws/base.hpp> |
| 8 | namespace hana = boost::hana; |
| 9 | |
| 10 | |
| 11 | // This test makes sure that we do not instantiate rogue contructors when |
| 12 | // trying to copy a hana::just. |
| 13 | |
| 14 | int main() { |
| 15 | auto just = hana::just(hana::test::trap_construct{}); |
| 16 | auto implicit_copy = just; |
| 17 | decltype(just) explicit_copy(just); |
| 18 | |
| 19 | (void)implicit_copy; |
| 20 | (void)explicit_copy; |
| 21 | } |
| 22 | |