| error[E0499]: cannot borrow `xs` as mutable more than once at a time |
| --> $DIR/vec-mut-iter-borrow.rs:5:9 |
| | |
| LL | for x in &mut xs { |
| | - ------- |
| | | | |
| | | first mutable borrow occurs here |
| | _____| first borrow later used here |
| | | |
| LL | | xs.push(1) |
| | | ^^ second mutable borrow occurs here |
| LL | | } |
| | |_____- this for loop borrows `xs` mutably, preventing mutation within its body |
| | |
| = help: consider using an index-based loop instead, or collecting modifications into a separate collection |
| |
| error: aborting due to 1 previous error |
| |
| For more information about this error, try `rustc --explain E0499`. |
