error[E0308]: mismatched types | |
--> $DIR/if-typeck.rs:19:8 | |
| | |
LL | if f { } | |
| ^ expected bool, found fn item | |
| | |
= note: expected type `bool` | |
found type `fn() {f}` | |
error: aborting due to previous error | |
For more information about this error, try `rustc --explain E0308`. |