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New lint [filter_map_bool_then] #11115

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merged 2 commits into from
Jul 26, 2023
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@Centri3 Centri3 commented Jul 6, 2023

Closes #9098

changelog: New lint [filter_map_bool_then]

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rustbot commented Jul 6, 2023

r? @Jarcho

(rustbot has picked a reviewer for you, use r? to override)

@rustbot rustbot added the S-waiting-on-review Status: Awaiting review from the assignee but also interested parties label Jul 6, 2023
@Centri3 Centri3 force-pushed the filter_map_bool_then branch 3 times, most recently from efe36f1 to afdf612 Compare July 12, 2023 04:54
@Centri3 Centri3 force-pushed the filter_map_bool_then branch 2 times, most recently from 27c4d28 to 734c74d Compare July 14, 2023 00:37
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Jarcho commented Jul 16, 2023

Revisiting this, there is one notable issue. filter has a different signature for, taking Fn(&T), instead of Fn(T). Easiest way to handle this would be to limit the lint to Copy types and adjust the closure on filter to be |&<decl>|.

@Centri3 Centri3 force-pushed the filter_map_bool_then branch 2 times, most recently from be15c64 to 66bc412 Compare July 17, 2023 06:39
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bors commented Jul 17, 2023

☔ The latest upstream changes (presumably #11116) made this pull request unmergeable. Please resolve the merge conflicts.

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Looks good. r=me after rebase.

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Jarcho commented Jul 26, 2023

@bors r+

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bors commented Jul 26, 2023

📌 Commit 3235d9d has been approved by Jarcho

It is now in the queue for this repository.

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bors commented Jul 26, 2023

⌛ Testing commit 3235d9d with merge 0fec99f...

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bors commented Jul 26, 2023

☀️ Test successful - checks-action_dev_test, checks-action_remark_test, checks-action_test
Approved by: Jarcho
Pushing 0fec99f to master...

@bors bors merged commit 0fec99f into rust-lang:master Jul 26, 2023
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@Centri3 Centri3 deleted the filter_map_bool_then branch July 26, 2023 03:43
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Check for filter_map combined with bool::then, suggest filter then map
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