mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-27 09:14:20 +00:00
20 lines
742 B
Plaintext
20 lines
742 B
Plaintext
error[E0700]: hidden type for `impl Trait<'y>` captures lifetime that does not appear in bounds
|
|
--> $DIR/region-escape-via-bound.rs:17:5
|
|
|
|
|
LL | fn foo<'x, 'y>(x: Cell<&'x u32>) -> impl Trait<'y>
|
|
| -- -------------- opaque type defined here
|
|
| |
|
|
| hidden type `Cell<&'x u32>` captures the lifetime `'x` as defined here
|
|
...
|
|
LL | x
|
|
| ^
|
|
|
|
|
help: to declare that `impl Trait<'y>` captures `'x`, you can add an explicit `'x` lifetime bound
|
|
|
|
|
LL | fn foo<'x, 'y>(x: Cell<&'x u32>) -> impl Trait<'y> + 'x
|
|
| ++++
|
|
|
|
error: aborting due to previous error
|
|
|
|
For more information about this error, try `rustc --explain E0700`.
|