| error[E0200]: the trait `Foo` requires an `unsafe impl` declaration |
| --> $DIR/safety-trait-impl-cc.rs:9:1 |
| | |
| LL | / impl lib::Foo for Bar { |
| LL | | fn foo(&self) -> isize { |
| LL | | panic!(); |
| LL | | } |
| LL | | } |
| | |_^ |
| | |
| = note: the trait `Foo` enforces invariants that the compiler can't check. Review the trait documentation and make sure this implementation upholds those invariants before adding the `unsafe` keyword |
| help: add `unsafe` to this trait implementation |
| | |
| LL | unsafe impl lib::Foo for Bar { |
| | ++++++ |
| |
| error: aborting due to previous error |
| |
| For more information about this error, try `rustc --explain E0200`. |
