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9c78883fdf
Address `unnecessary_to_owned` false positive My proposed fix for #8759 is to revise the conditions that delineate `redundant_clone` and `unnecessary_to_owned`: ```rust // Only flag cases satisfying at least one of the following three conditions: // * the referent and receiver types are distinct // * the referent/receiver type is a copyable array // * the method is `Cow::into_owned` // This restriction is to ensure there is no overlap between `redundant_clone` and this // lint. It also avoids the following false positive: // https://github.com/rust-lang/rust-clippy/issues/8759 // Arrays are a bit of a corner case. Non-copyable arrays are handled by // `redundant_clone`, but copyable arrays are not. ``` This change causes a few cases that were previously flagged by `unnecessary_to_owned` to no longer be flagged. But one could argue those cases would be better handled by `redundant_clone`. Closes #8759 changelog: none |
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