| error[E0596]: cannot borrow `*test` as mutable, as it is behind a `&` reference | |
| --> $DIR/suggest-mut-iterator.rs:22:9 | |
| | | |
| LL | for test in &tests { | |
| | ------ this iterator yields `&` references | |
| LL | test.add(2); | |
| | ^^^^ `test` is a `&` reference, so the data it refers to cannot be borrowed as mutable | |
| | | |
| help: use a mutable iterator instead | |
| | | |
| LL | for test in &mut tests { | |
| | +++ | |
| error: aborting due to 1 previous error | |
| For more information about this error, try `rustc --explain E0596`. |