mirror of https://github.com/rust-lang/rust
28 lines
1.3 KiB
Plaintext
28 lines
1.3 KiB
Plaintext
error[E0499]: cannot borrow `list.0.value` as mutable more than once at a time
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--> $DIR/issue-62007-assign-differing-fields.rs:16:21
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LL | fn to_refs<'a, T>(mut list: (&'a mut List<T>, &'a mut List<T>)) -> Vec<&'a mut T> {
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| -- lifetime `'a` defined here
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...
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LL | result.push(&mut (list.0).value);
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| ^^^^^^^^^^^^^^^^^^^ `list.0.value` was mutably borrowed here in the previous iteration of the loop
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...
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LL | return result;
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| ------ returning this value requires that `list.0.value` is borrowed for `'a`
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error[E0499]: cannot borrow `list.0.next` as mutable more than once at a time
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--> $DIR/issue-62007-assign-differing-fields.rs:17:26
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LL | fn to_refs<'a, T>(mut list: (&'a mut List<T>, &'a mut List<T>)) -> Vec<&'a mut T> {
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| -- lifetime `'a` defined here
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...
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LL | if let Some(n) = (list.0).next.as_mut() {
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| ^^^^^^^^^^^^^---------
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| |
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| `list.0.next` was mutably borrowed here in the previous iteration of the loop
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| argument requires that `list.0.next` is borrowed for `'a`
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error: aborting due to 2 previous errors
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For more information about this error, try `rustc --explain E0499`.
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