| 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 |
| |
| error: lifetime may not live long enough |
| --> $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) { |
| | - - let's call the lifetime of this reference `'1` |
| | | |
| | let's call the lifetime of this reference `'2` |
| LL | y.push(z); |
| | ^^^^^^^^^ argument requires that `'1` must outlive `'2` |
| |
| error: aborting due to 2 previous errors |
| |
| For more information about this error, try `rustc --explain E0596`. |