error[E0596]: cannot borrow `data` as mutable, as it is not declared as mutable | |
--> $DIR/issue-61187.rs:6:5 | |
| | |
LL | async fn response(data: Vec<u8>) { | |
| ---- help: consider changing this to be mutable: `mut data` | |
LL | data.reverse(); | |
| ^^^^ cannot borrow as mutable | |
error: aborting due to previous error | |
For more information about this error, try `rustc --explain E0596`. |