| #![feature(optin_builtin_traits)] |
| |
| use std::marker::Send; |
| |
| struct TestType; |
| |
| impl !TestType {} |
| //~^ ERROR inherent impls cannot be negative |
| |
| trait TestTrait {} |
| |
| unsafe impl !Send for TestType {} |
| //~^ ERROR negative impls cannot be unsafe |
| impl !TestTrait for TestType {} |
| //~^ ERROR negative impls are only allowed for auto traits |
| |
| struct TestType2<T>(T); |
| |
| impl<T> !TestType2<T> {} |
| //~^ ERROR inherent impls cannot be negative |
| |
| unsafe impl<T> !Send for TestType2<T> {} |
| //~^ ERROR negative impls cannot be unsafe |
| impl<T> !TestTrait for TestType2<T> {} |
| //~^ ERROR negative impls are only allowed for auto traits |
| |
| fn main() {} |
