| error[E0271]: expected `hi` to be a fn item that returns `Box<u8>`, but it returns `impl Sized` |
| --> $DIR/issue-98608.rs:6:39 |
| | |
| LL | fn hi() -> impl Sized { |
| | ---------- the found opaque type |
| ... |
| LL | let b: Box<dyn Fn() -> Box<u8>> = Box::new(hi); |
| | ^^^^^^^^^^^^ expected `Box<u8>`, found opaque type |
| | |
| = note: expected struct `Box<u8>` |
| found opaque type `impl Sized` |
| = note: required for the cast from `fn() -> impl Sized {hi}` to the object type `dyn Fn() -> Box<u8>` |
| |
| error: aborting due to previous error |
| |
| For more information about this error, try `rustc --explain E0271`. |
