rust/tests/ui/fn/suggest-return-closure.stderr
2023-01-11 09:32:08 +00:00

37 lines
1.5 KiB
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error[E0121]: the placeholder `_` is not allowed within types on item signatures for return types
--> $DIR/suggest-return-closure.rs:1:17
|
LL | fn fn_once() -> _ {
| ^
| |
| not allowed in type signatures
| help: replace with an appropriate return type: `impl FnOnce()`
|
= note: for more information on `Fn` traits and closure types, see https://doc.rust-lang.org/book/ch13-01-closures.html
error[E0121]: the placeholder `_` is not allowed within types on item signatures for return types
--> $DIR/suggest-return-closure.rs:13:16
|
LL | fn fn_mut() -> _ {
| ^
| |
| not allowed in type signatures
| help: replace with an appropriate return type: `impl FnMut(char)`
|
= note: for more information on `Fn` traits and closure types, see https://doc.rust-lang.org/book/ch13-01-closures.html
error[E0121]: the placeholder `_` is not allowed within types on item signatures for return types
--> $DIR/suggest-return-closure.rs:25:13
|
LL | fn fun() -> _ {
| ^
| |
| not allowed in type signatures
| help: replace with an appropriate return type: `impl Fn() -> i32`
|
= note: for more information on `Fn` traits and closure types, see https://doc.rust-lang.org/book/ch13-01-closures.html
error: aborting due to 3 previous errors
For more information about this error, try `rustc --explain E0121`.