mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-01 06:51:58 +00:00
49 lines
1.3 KiB
Plaintext
49 lines
1.3 KiB
Plaintext
error: expected identifier, found keyword `fn`
|
|
--> $DIR/recover-fn-trait-from-fn-kw.rs:1:16
|
|
|
|
|
LL | fn foo(_: impl fn() -> i32) {}
|
|
| ^^
|
|
|
|
|
help: use `Fn` to refer to the trait
|
|
|
|
|
LL | fn foo(_: impl Fn() -> i32) {}
|
|
| ~~
|
|
|
|
error: expected identifier, found keyword `fn`
|
|
--> $DIR/recover-fn-trait-from-fn-kw.rs:4:12
|
|
|
|
|
LL | fn foo2<T: fn(i32)>(_: T) {}
|
|
| ^^
|
|
|
|
|
help: use `Fn` to refer to the trait
|
|
|
|
|
LL | fn foo2<T: Fn(i32)>(_: T) {}
|
|
| ~~
|
|
|
|
error[E0308]: mismatched types
|
|
--> $DIR/recover-fn-trait-from-fn-kw.rs:8:12
|
|
|
|
|
LL | foo(|| ());
|
|
| ^^ expected `i32`, found `()`
|
|
|
|
error[E0631]: type mismatch in closure arguments
|
|
--> $DIR/recover-fn-trait-from-fn-kw.rs:10:5
|
|
|
|
|
LL | foo2(|_: ()| {});
|
|
| ^^^^ ------- found signature defined here
|
|
| |
|
|
| expected due to this
|
|
|
|
|
= note: expected closure signature `fn(i32) -> _`
|
|
found closure signature `fn(()) -> _`
|
|
note: required by a bound in `foo2`
|
|
--> $DIR/recover-fn-trait-from-fn-kw.rs:4:12
|
|
|
|
|
LL | fn foo2<T: fn(i32)>(_: T) {}
|
|
| ^^^^^^^ required by this bound in `foo2`
|
|
|
|
error: aborting due to 4 previous errors
|
|
|
|
Some errors have detailed explanations: E0308, E0631.
|
|
For more information about an error, try `rustc --explain E0308`.
|