| error[E0909]: hidden type for `impl Trait` captures lifetime that does not appear in bounds |
| --> $DIR/region-escape-via-bound.rs:26:29 |
| | |
| LL | fn foo(x: Cell<&'x u32>) -> impl Trait<'y> |
| | ^^^^^^^^^^^^^^ |
| | |
| note: hidden type `std::cell::Cell<&'x u32>` captures the lifetime 'x as defined on the function body at 26:1 |
| --> $DIR/region-escape-via-bound.rs:26:1 |
| | |
| LL | / fn foo(x: Cell<&'x u32>) -> impl Trait<'y> |
| LL | | //~^ ERROR hidden type for `impl Trait` captures lifetime that does not appear in bounds [E0909] |
| LL | | where 'x: 'y |
| LL | | { |
| LL | | x |
| LL | | } |
| | |_^ |
| |
| error: aborting due to previous error |
| |
| For more information about this error, try `rustc --explain E0909`. |
