| error[E0599]: the method `is_subset` exists for reference `&HashSet<T>`, but its trait bounds were not satisfied |
| --> $DIR/issue-35677.rs:7:10 |
| | |
| LL | this.is_subset(other) |
| | ^^^^^^^^^ method cannot be called on `&HashSet<T>` due to unsatisfied trait bounds |
| | |
| = note: the following trait bounds were not satisfied: |
| `T: Eq` |
| `T: Hash` |
| help: consider restricting the type parameters to satisfy the trait bounds |
| | |
| LL | fn is_subset<T>(this: &HashSet<T>, other: &HashSet<T>) -> bool where T: Eq, T: Hash { |
| | ++++++++++++++++++++ |
| |
| error: aborting due to 1 previous error |
| |
| For more information about this error, try `rustc --explain E0599`. |
