| error[E0599]: the function or associated item `make_g` exists for fn pointer `fn(&())`, but its trait bounds were not satisfied |
| --> $DIR/issue-57642-higher-ranked-subtype.rs:31:25 |
| | |
| LL | let x = <fn (&())>::make_g(); |
| | ^^^^^^ function or associated item cannot be called on `fn(&())` due to unsatisfied trait bounds |
| | |
| = note: the following trait bounds were not satisfied: |
| `for<'a> fn(&'a ()): X` |
| = help: items from traits can only be used if the trait is implemented and in scope |
| note: `X` defines an item `make_g`, perhaps you need to implement it |
| --> $DIR/issue-57642-higher-ranked-subtype.rs:4:1 |
| | |
| LL | trait X { |
| | ^^^^^^^ |
| |
| error[E0599]: no function or associated item named `make_f` found for fn pointer `for<'a> fn(&'a ())` in the current scope |
| --> $DIR/issue-57642-higher-ranked-subtype.rs:35:25 |
| | |
| LL | let x = <fn (&())>::make_f(); |
| | ^^^^^^ function or associated item not found in `fn(&())` |
| | |
| = help: items from traits can only be used if the trait is implemented and in scope |
| note: `Y` defines an item `make_f`, perhaps you need to implement it |
| --> $DIR/issue-57642-higher-ranked-subtype.rs:17:1 |
| | |
| LL | trait Y { |
| | ^^^^^^^ |
| |
| error: aborting due to 2 previous errors |
| |
| For more information about this error, try `rustc --explain E0599`. |