mirror of
https://github.com/rust-lang/rust.git
synced 2024-10-30 14:01:51 +00:00
28 lines
1.3 KiB
Plaintext
28 lines
1.3 KiB
Plaintext
error[E0499]: cannot borrow `list[_].value` as mutable more than once at a time
|
|
--> $DIR/issue-62007-assign-const-index.rs:23:21
|
|
|
|
|
LL | fn to_refs<T>(mut list: [&mut List<T>; 2]) -> Vec<&mut T> {
|
|
| - let's call the lifetime of this reference `'1`
|
|
...
|
|
LL | result.push(&mut list[0].value);
|
|
| ^^^^^^^^^^^^^^^^^^ `list[_].value` was mutably borrowed here in the previous iteration of the loop
|
|
...
|
|
LL | return result;
|
|
| ------ returning this value requires that `list[_].value` is borrowed for `'1`
|
|
|
|
error[E0499]: cannot borrow `list[_].next` as mutable more than once at a time
|
|
--> $DIR/issue-62007-assign-const-index.rs:24:26
|
|
|
|
|
LL | fn to_refs<T>(mut list: [&mut List<T>; 2]) -> Vec<&mut T> {
|
|
| - let's call the lifetime of this reference `'1`
|
|
...
|
|
LL | if let Some(n) = list[0].next.as_mut() {
|
|
| ^^^^^^^^^^^^---------
|
|
| |
|
|
| `list[_].next` was mutably borrowed here in the previous iteration of the loop
|
|
| argument requires that `list[_].next` is borrowed for `'1`
|
|
|
|
error: aborting due to 2 previous errors
|
|
|
|
For more information about this error, try `rustc --explain E0499`.
|