| 12 | |
| 13 | |
| 14 | int main() { |
| 15 | hana::test::ct_eq<2> x{}; |
| 16 | hana::test::_injection<0> f{}; |
| 17 | |
| 18 | BOOST_HANA_CONSTANT_CHECK(hana::equal( |
| 19 | hana::unpack(hana::nothing, f), |
| 20 | f() |
| 21 | )); |
| 22 | |
| 23 | BOOST_HANA_CONSTANT_CHECK(hana::equal( |
| 24 | hana::unpack(hana::just(x), f), |
| 25 | f(x) |
| 26 | )); |
| 27 | |
| 28 | // Previously, there was a bug that would make this fail. |
| 29 | auto non_const_nothing = hana::nothing; |
| 30 | BOOST_HANA_CONSTANT_CHECK(hana::equal( |
| 31 | hana::unpack(non_const_nothing, f), |
| 32 | f() |
| 33 | )); |
| 34 | } |