error[E0720]: opaque type expands to a recursive type | |
--> $DIR/where-allowed-2.rs:6:30 | |
| | |
LL | fn in_adt_in_return() -> Vec<impl Debug> { panic!() } | |
| ^^^^^^^^^^ expands to a recursive type | |
| | |
= note: type resolves to itself | |
error: aborting due to previous error | |
For more information about this error, try `rustc --explain E0720`. |