error[E0594]: cannot assign to `*v`, which is behind a `&` reference | |
--> $DIR/issue-83309-ice-immut-in-for-loop.rs:11:9 | |
| | |
LL | for v in Query.iter_mut() { | |
| ---------------- this iterator yields `&` references | |
LL | | |
LL | *v -= 1; | |
| ^^^^^^^ `v` is a `&` reference, so the data it refers to cannot be written | |
error: aborting due to 1 previous error | |
For more information about this error, try `rustc --explain E0594`. |