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Map flatten for option #5473

Merged
merged 2 commits into from
Apr 16, 2020
Merged

Map flatten for option #5473

merged 2 commits into from
Apr 16, 2020

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marcin-serwin
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Fixes #5175

changelog:

  • Trigger the map_flatten lint when map is called on an option
  • Add test for such case

@phansch phansch added the S-waiting-on-review Status: Awaiting review from the assignee but also interested parties label Apr 16, 2020
flip1995
flip1995 approved these changes Apr 16, 2020
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Thanks, we're currently struggling with CI, but will merge this once CI works again.

@flip1995 flip1995 added S-waiting-on-bors Status: The marked PR was approved and is only waiting bors and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties labels Apr 16, 2020
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@bors r+

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bors commented Apr 16, 2020

📌 Commit 72a8fc2 has been approved by flip1995

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bors commented Apr 16, 2020

⌛ Testing commit 72a8fc2 with merge c1c8bc6...

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bors commented Apr 16, 2020

☀️ Test successful - checks-action_dev_test, checks-action_remark_test, checks-action_test
Approved by: flip1995
Pushing c1c8bc6 to master...

@bors bors merged commit c1c8bc6 into rust-lang:master Apr 16, 2020
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Option::map(_).flatten() => Option::and_then(_)
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@marcin-serwin @flip1995 @bors @phansch