tests/ui/borrowck/mutate-vec-while-iterating.stderr

error[E0502]: cannot borrow `values` as mutable because it is also borrowed as immutable
  --> $DIR/mutate-vec-while-iterating.rs:8:13
   |
LL |       for value in &values {
   |       -            -------
   |       |            |
   |       |            immutable borrow occurs here
   |  _____|            immutable borrow later used here
   | |
LL | |         if *value == 2 {
LL | |             values.push(4);
   | |             ^^^^^^^^^^^^^^ mutable borrow occurs here
LL | |         }
LL | |     }
   | |_____- this for loop borrows `values` immutably, preventing mutation within its body
   |
   = help: consider using an index-based loop instead, or collecting modifications into a separate collection

error[E0499]: cannot borrow `values` as mutable more than once at a time
  --> $DIR/mutate-vec-while-iterating.rs:18:13
   |
LL |       for value in &mut values {
   |       -            -----------
   |       |            |
   |       |            first mutable borrow occurs here
   |  _____|            first borrow later used here
   | |
LL | |         if *value == 2 {
LL | |             values.push(4);
   | |             ^^^^^^ second mutable borrow occurs here
LL | |         }
LL | |     }
   | |_____- this for loop borrows `values` 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 2 previous errors

Some errors have detailed explanations: E0499, E0502.
For more information about an error, try `rustc --explain E0499`.