error[E0308]: mismatched types | |
--> $DIR/liveness-closure-require-ret.rs:2:37 | |
| | |
LL | fn main() { println!("{}", force(|| {})); } | |
| ^^ expected isize, found () | |
| | |
= note: expected type `isize` | |
found type `()` | |
error: aborting due to previous error | |
For more information about this error, try `rustc --explain E0308`. |