rust/tests/ui/closures/closure-no-fn-4.stderr
Nilstrieb 41e8d152dc Show number in error message even for one error
Co-authored-by: Adrian <adrian.iosdev@gmail.com>
2023-11-24 19:15:52 +01:00

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error[E0308]: `match` arms have incompatible types
--> $DIR/closure-no-fn-4.rs:5:18
|
LL | let _: fn(usize) -> usize = match true {
| _________________________________-
LL | | true => |a| a + 1,
| | --------- this is found to be of type `fn(usize) -> usize`
LL | | false => |a| a - b,
| | ^^^^^^^^^ expected fn pointer, found closure
LL | |
LL | | };
| |_____- `match` arms have incompatible types
|
= note: expected fn pointer `fn(usize) -> usize`
found closure `{closure@$DIR/closure-no-fn-4.rs:5:18: 5:21}`
note: closures can only be coerced to `fn` types if they do not capture any variables
--> $DIR/closure-no-fn-4.rs:5:26
|
LL | false => |a| a - b,
| ^ `b` captured here
error: aborting due to 1 previous error
For more information about this error, try `rustc --explain E0308`.