520461f1fb
When encountering an used moved value where the previous move happened in a `match` or `if let` pattern, suggest using `ref`. Fix #63988. When encountering a `&mut` value that is used in multiple iterations of a loop, suggest reborrowing it with `&mut *`. Fix #62112.
38 lines
1.2 KiB
Text
38 lines
1.2 KiB
Text
error[E0382]: use of moved value: `x`
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--> $DIR/ref-suggestion.rs:4:5
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LL | let x = vec![1];
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| - move occurs because `x` has type `std::vec::Vec<i32>`, which does not implement the `Copy` trait
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LL | let y = x;
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| - value moved here
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LL | x;
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| ^ value used here after move
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error[E0382]: use of moved value: `x`
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--> $DIR/ref-suggestion.rs:8:5
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LL | let x = vec![1];
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| - move occurs because `x` has type `std::vec::Vec<i32>`, which does not implement the `Copy` trait
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LL | let mut y = x;
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| - value moved here
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LL | x;
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| ^ value used here after move
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error[E0382]: use of moved value: `x`
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--> $DIR/ref-suggestion.rs:16:5
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LL | (Some(y), ()) => {},
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| - value moved here
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...
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LL | x;
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| ^ value used here after partial move
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= note: move occurs because value has type `std::vec::Vec<i32>`, which does not implement the `Copy` trait
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help: borrow this field in the pattern to avoid moving `x.0.0`
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LL | (Some(ref y), ()) => {},
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| ^^^
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error: aborting due to 3 previous errors
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For more information about this error, try `rustc --explain E0382`.
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