| error[E0700]: hidden type for `impl Trait` captures lifetime that does not appear in bounds | |
| --> $DIR/region-escape-via-bound.rs:15:29 | |
| | | |
| 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 17:7 | |
| --> $DIR/region-escape-via-bound.rs:17:7 | |
| | | |
| LL | where 'x: 'y | |
| | ^^ | |
| error: aborting due to previous error | |
| For more information about this error, try `rustc --explain E0700`. |