1 error[E0594]: cannot assign to `v.v`, which is behind a `&` reference
2 --> $DIR/suggest-mut-method-for-loop-hashmap.rs:17:9
4 LL | for (_k, mut v) in map.iter() {
7 | | help: use mutable method: `iter_mut()`
8 | this iterator yields `&` references
11 | ^^^^^^^^ `v` is a `&` reference, so the data it refers to cannot be written
13 error: aborting due to previous error
15 For more information about this error, try `rustc --explain E0594`.