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5ead90f13a
Add lint for `unused_result_ok` This PR adds a lint to capture the use of `expr.ok();` when the result is not _really_ used. This could be interpreted as the result being checked (like it is with `unwrap()` or `expect`) but it actually only ignores the result. `let _ = expr;` expresses that intent better. This was also mentionned in #8994 (although not being the main topic of that issue). changelog: [`misleading_use_of_ok`]: Add new lint to capture `.ok();` when the result is not _really_ used. |
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