mirror of
https://github.com/rust-lang/rust.git
synced 2025-11-11 04:51:46 +00:00
27 lines
1.4 KiB
Plaintext
27 lines
1.4 KiB
Plaintext
error: `impl Trait` captures lifetime parameter, but it is not mentioned in `use<...>` precise captures list
|
|
--> $DIR/forgot-to-capture-lifetime.rs:3:52
|
|
|
|
|
LL | fn lifetime_in_bounds<'a>(x: &'a ()) -> impl Into<&'a ()> + use<> { x }
|
|
| -- -----------^^------------
|
|
| | |
|
|
| | lifetime captured due to being mentioned in the bounds of the `impl Trait`
|
|
| this lifetime parameter is captured
|
|
|
|
error[E0700]: hidden type for `impl Sized` captures lifetime that does not appear in bounds
|
|
--> $DIR/forgot-to-capture-lifetime.rs:6:62
|
|
|
|
|
LL | fn lifetime_in_hidden<'a>(x: &'a ()) -> impl Sized + use<> { x }
|
|
| -- ------------------ ^
|
|
| | |
|
|
| | opaque type defined here
|
|
| hidden type `&'a ()` captures the lifetime `'a` as defined here
|
|
|
|
|
help: to declare that `impl Sized` captures `'a`, you can add an explicit `'a` lifetime bound
|
|
|
|
|
LL | fn lifetime_in_hidden<'a>(x: &'a ()) -> impl Sized + use<> + 'a { x }
|
|
| ++++
|
|
|
|
error: aborting due to 2 previous errors
|
|
|
|
For more information about this error, try `rustc --explain E0700`.
|