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New lint: pats_with_wild_match_arm #4960

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merged 7 commits into from
Jan 9, 2020
Merged

New lint: pats_with_wild_match_arm #4960

merged 7 commits into from
Jan 9, 2020

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ThibsG
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@ThibsG ThibsG commented Dec 26, 2019 •
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Wildcard use with other pattern in same match arm.

The wildcard covers other(s) pattern(s) as it will match anyway.

changelog: add new lint when multiple patterns (including wildcard) are used in a match arm.

Fixes #4640.

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ghost commented Dec 27, 2019

This is great but I think the name could be better. I would call it wildcard_pattern_alternative or something like that... 🤔

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JohnTitor commented Dec 27, 2019 •
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Could you include Fixes #4640 in the PR description so that we can close once this is merged?
And the changelog line is also needed.

@JohnTitor JohnTitor added the S-waiting-on-review Status: Awaiting review from the assignee but also interested parties label Dec 27, 2019
@ThibsG
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ThibsG commented Dec 27, 2019

@mikerite Yes I believe we could do better for the name. I will think about it

flip1995
flip1995 requested changes Dec 28, 2019
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Lint name suggestion: WILDCARD_IN_OR_PATTERNS

clippy_lints/src/matches.rs Outdated Show resolved Hide resolved
tests/ui/wildcard_enum_match_arm.rs Outdated Show resolved Hide resolved
@flip1995 flip1995 added S-waiting-on-author Status: This is awaiting some action from the author. (Use `@rustbot ready` to update this status) and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties labels Dec 28, 2019
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bors commented Jan 4, 2020

☔ The latest upstream changes (presumably #4881) made this pull request unmergeable. Please resolve the merge conflicts.

@ThibsG ThibsG force-pushed the patterns_with_wildcard_#4640 branch from 8bea285 to ad16718 Compare January 5, 2020 14:07
@ThibsG ThibsG requested a review from flip1995 January 5, 2020 14:16
@ThibsG ThibsG force-pushed the patterns_with_wildcard_#4640 branch from 596f208 to 4ba1bc7 Compare January 7, 2020 17:54
@ThibsG ThibsG force-pushed the patterns_with_wildcard_#4640 branch from 4ba1bc7 to 0fa0df9 Compare January 7, 2020 18:11
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flip1995 commented Jan 7, 2020

Thanks!

@bors r+

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bors commented Jan 7, 2020

📌 Commit 0fa0df9 has been approved by flip1995

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bors commented Jan 7, 2020

⌛ Testing commit 0fa0df9 with merge 0ff62a5...

bors added a commit that referenced this pull request Jan 7, 2020
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Auto merge of #4960 - ThibsG:patterns_with_wildcard_#4640, r=flip1995
0ff62a5 
New lint: pats_with_wild_match_arm

Wildcard use with other pattern in same match arm.

The wildcard covers other(s) pattern(s) as it will match anyway.

Changelog: add new lint when multiple patterns (including wildcard) are used in a match arm.

Fixes #4640.
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bors commented Jan 7, 2020

💔 Test failed - checks-travis

@ThibsG
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ThibsG commented Jan 7, 2020

Sorry @bors, didn't know you prefer 'changelog' over 'Changelog' in PR description

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flip1995 commented Jan 7, 2020

Not @bors' fault, I hacked this check into travis 😋

@bors retry

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ThibsG commented Jan 8, 2020

@flip1995 do I need to fix something else here ?

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flip1995 commented Jan 9, 2020

@bors are you still there?

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bors commented Jan 9, 2020

🍰 Activated

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flip1995 commented Jan 9, 2020

Nope, bors just didn't trigger 🤔

@bors r+

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bors commented Jan 9, 2020

💡 This pull request was already approved, no need to approve it again.

  • This pull request previously failed. You should add more commits to fix the bug, or use retry to trigger a build again.

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bors commented Jan 9, 2020

📌 Commit 0fa0df9 has been approved by flip1995

bors added a commit that referenced this pull request Jan 9, 2020
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Auto merge of #4960 - ThibsG:patterns_with_wildcard_#4640, r=flip1995
ac795a6 
New lint: pats_with_wild_match_arm

Wildcard use with other pattern in same match arm.

The wildcard covers other(s) pattern(s) as it will match anyway.

changelog: add new lint when multiple patterns (including wildcard) are used in a match arm.

Fixes #4640.
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bors commented Jan 9, 2020

⌛ Testing commit 0fa0df9 with merge ac795a6...

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bors commented Jan 9, 2020

☀️ Test successful - checks-travis, status-appveyor
Approved by: flip1995
Pushing ac795a6 to master...

@bors bors merged commit 0fa0df9 into rust-lang:master Jan 9, 2020
@ThibsG ThibsG deleted the patterns_with_wildcard_#4640 branch January 9, 2020 14:32
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Unneeded multiple pattern with wildcard
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@ThibsG @JohnTitor @bors @flip1995 @krishna-veerareddy