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error[E0271]: expected `hi` to return `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 `Box<fn() -> impl Sized {hi}>` to `Box<dyn Fn() -> Box<u8>>`
error: aborting due to 1 previous error
For more information about this error, try `rustc --explain E0271`.
|
