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error: `impl Trait` captures lifetime parameter, but it is not mentioned in `use<...>` precise captures list
--> $DIR/forgot-to-capture-lifetime.rs:1:52
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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:4:62
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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: add `'a` to the `use<...>` bound to explicitly capture it
|
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`.
|
