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Enable some nursery lints #15831

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Enable some nursery lints #15831

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nickdrozd
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Hello! This PR enables some nursery lints in the dogfood test. For easy review, one lint is enable per commit. They are pretty straightforward (with the exception of useless_let_if_seq, which gets into some trickier control flow). Only one false positive turned up.

Happy to make any changes. Would like to get this merged quickly if possible, to avoid conflicts.

Continuation of #15625 and #15512

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rustbot commented Oct 7, 2025

Some changes occurred in clippy_lints/src/doc

cc @notriddle

@rustbot rustbot added the S-waiting-on-review Status: Awaiting review from the assignee but also interested parties label Oct 7, 2025
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rustbot commented Oct 7, 2025

r? @Alexendoo

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samueltardieu
samueltardieu reviewed Oct 7, 2025
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Maybe putting the lints to enable in a const array and calling .arg() in a loop will be easier to maintain.

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Jarcho commented Oct 7, 2025 •
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Don't enable redundant_clone, it's currently incredibly broken.

@nickdrozd nickdrozd force-pushed the dogfood branch 2 times, most recently from 73e253e to dde093f Compare October 7, 2025 16:14
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Per review: Made minor fixes. Cut redundant_clone. Extracted deny lints to array.

Extra change: Enabled nursery altogether and switched from explicit deny / opt-in to explicit allow / opt-out. I think this gives a clear sense of what exactly is and isn't being run, what could be enabled, which lints are verbose, have problems, etc. It is generally in the spirit of "makes clippy eat what it produces". But of course, I can revert it too.

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rustbot commented Oct 7, 2025

This PR was rebased onto a different master commit. Here's a range-diff highlighting what actually changed.

Rebasing is a normal part of keeping PRs up to date, so no action is needed—this note is just to help reviewers.

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