| // Double-check we didn't go too far with our resolution to issue |
| // #62007: assigning over a field projection (`list.1 = n;` in this |
| // case) should kill only borrows of `list.1`; `list.0` can *not* |
| // necessarily be borrowed on the next iteration through the loop. |
| |
| #![allow(dead_code)] |
| |
| struct List<T> { |
| value: T, |
| next: Option<Box<List<T>>>, |
| } |
| |
| fn to_refs<'a, T>(mut list: (&'a mut List<T>, &'a mut List<T>)) -> Vec<&'a mut T> { |
| let mut result = vec![]; |
| loop { |
| result.push(&mut (list.0).value); //~ ERROR cannot borrow `list.0.value` as mutable |
| if let Some(n) = (list.0).next.as_mut() { //~ ERROR cannot borrow `list.0.next` as mutable |
| list.1 = n; |
| } else { |
| return result; |
| } |
| } |
| } |
| |
| fn main() {} |