error[E0596]: cannot borrow `y` as mutable, as it is not declared as mutable
--> $DIR/ex3-both-anon-regions-using-trait-objects.rs:2:3
|
-LL | fn foo(x:Box<dyn Fn(&u8, &u8)> , y: Vec<&u8>, z: &u8) {
- | - help: consider changing this to be mutable: `mut y`
LL | y.push(z);
| ^^^^^^^^^ cannot borrow as mutable
+ |
+help: consider changing this to be mutable
+ |
+LL | fn foo(x:Box<dyn Fn(&u8, &u8)> , mut y: Vec<&u8>, z: &u8) {
+ | +++
error: aborting due to 2 previous errors