| error[E0599]: no method named `f` found for type `fn(&u8)` in the current scope | |
| --> $DIR/issue-57362-1.rs:20:7 | |
| | | |
| LL | a.f(); | |
| | ^ | |
| | | |
| = note: a is a function, perhaps you wish to call it | |
| = help: items from traits can only be used if the trait is implemented and in scope | |
| = note: the following trait defines an item `f`, perhaps you need to implement it: | |
| candidate #1: `Trait` | |
| error: aborting due to previous error | |
| For more information about this error, try `rustc --explain E0599`. |