rust/tests/ui/nll/polonius/assignment-to-differing-field.stderr
2023-01-11 09:32:08 +00:00

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error[E0499]: cannot borrow `list.0.value` as mutable more than once at a time
--> $DIR/assignment-to-differing-field.rs:20:21
|
LL | fn assignment_to_field_projection<'a, T>(
| -- lifetime `'a` defined here
...
LL | result.push(&mut (list.0).value);
| ^^^^^^^^^^^^^^^^^^^ `list.0.value` was mutably borrowed here in the previous iteration of the loop
...
LL | return result;
| ------ returning this value requires that `list.0.value` is borrowed for `'a`
error[E0499]: cannot borrow `list.0.next` as mutable more than once at a time
--> $DIR/assignment-to-differing-field.rs:23:26
|
LL | fn assignment_to_field_projection<'a, T>(
| -- lifetime `'a` defined here
...
LL | if let Some(n) = (list.0).next.as_mut() {
| ^^^^^^^^^^^^^^^^^^^^^^
| |
| `list.0.next` was mutably borrowed here in the previous iteration of the loop
| argument requires that `list.0.next` is borrowed for `'a`
error[E0499]: cannot borrow `list.0.0.0.0.0.value` as mutable more than once at a time
--> $DIR/assignment-to-differing-field.rs:37:21
|
LL | fn assignment_through_projection_chain<'a, T>(
| -- lifetime `'a` defined here
...
LL | result.push(&mut ((((list.0).0).0).0).0.value);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `list.0.0.0.0.0.value` was mutably borrowed here in the previous iteration of the loop
...
LL | return result;
| ------ returning this value requires that `list.0.0.0.0.0.value` is borrowed for `'a`
error[E0499]: cannot borrow `list.0.0.0.0.0.next` as mutable more than once at a time
--> $DIR/assignment-to-differing-field.rs:40:26
|
LL | fn assignment_through_projection_chain<'a, T>(
| -- lifetime `'a` defined here
...
LL | if let Some(n) = ((((list.0).0).0).0).0.next.as_mut() {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
| |
| `list.0.0.0.0.0.next` was mutably borrowed here in the previous iteration of the loop
| argument requires that `list.0.0.0.0.0.next` is borrowed for `'a`
error: aborting due to 4 previous errors
For more information about this error, try `rustc --explain E0499`.