Reinstate single_match/single_match_else lints with comments#14420
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Alexendoo merged 1 commit intorust-lang:masterfrom Mar 18, 2025
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Reinstate single_match/single_match_else lints with comments#14420Alexendoo merged 1 commit intorust-lang:masterfrom
single_match/single_match_else lints with comments#14420Alexendoo merged 1 commit intorust-lang:masterfrom
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@GuillaumeGomez could you confirm that this is ok with running |
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Extend the Result documentation by some guidelines and examples how
to handle Result error cases gracefully. And how to not handle them.
While at it fix one missing `Result` link in the existing documentation.
[ Moved links out-of-line for improved readability. Fixed `srctree`
link. Sorted out-of-line links. Added newlines for consistency
with other docs. Applied paragraph break suggestion. Reworded
slightly the docs in a couple places. Added Markdown.
In addition, added `#[allow(clippy::single_match)` for the first
example. It cannot be an `expect` since due to a difference introduced
in Rust 1.85.0 when there are comments in the arms of the `match`.
Reported it upstream, but it was intended:
rust-lang/rust-clippy#14418
Perhaps Clippy will lint about it in the future, but without autofix:
rust-lang/rust-clippy#14420
- Miguel ]
Link: https://lore.kernel.org/rust-for-linux/CANiq72keOdXy0LFKk9SzYWwSjiD710v=hQO4xi+5E4xNALa6cA@mail.gmail.com/
Signed-off-by: Dirk Behme <dirk.behme@de.bosch.com>
Reviewed-by: Fiona Behrens <me@kloenk.dev>
Link: https://lore.kernel.org/r/20250122054719.595878-1-dirk.behme@de.bosch.com
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
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Looks good to me, thanks! |
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Commit efe3fe9 removed the ability for `single_match` and `single_match_else` to trigger if comments were present outside of the arms, as those comments would be lost while rewriting the `match` expression. This reinstates the lint, but prevents the suggestion from being applied automatically in the presence of comments by using the `MaybeIncorrect` applicability. Also, a note is added to the lint message to warn the user about the need to preserve the comments if acting upon the suggestion.
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Commit efe3fe9 removed the ability for
single_matchandsingle_match_elseto trigger if comments were present outside of the arms, as those comments would be lost while rewriting thematchexpression.This reinstates the lint, but prevents the suggestion from being applied automatically in the presence of comments by using the
MaybeIncorrectapplicability. Also, a note is added to the lint message to warn the user about the need to preserve the comments if acting upon the suggestion.changelog: [
single_match,single_match_else]: reinstate lint when comments are inside thematchbut do not autofix the codeFix #14418