error[E0308]: mismatched types | |
--> $DIR/hkl_forbidden3.rs:10:5 | |
| | |
LL | type Opaque<'a> = impl Sized + 'a; | |
| --------------- the expected opaque type | |
... | |
LL | foo | |
| ^^^ one type is more general than the other | |
| | |
= note: expected fn pointer `for<'a> fn(&'a ()) -> Opaque<'a>` | |
found fn pointer `for<'a> fn(&'a ()) -> &'a ()` | |
error: aborting due to 1 previous error | |
For more information about this error, try `rustc --explain E0308`. |