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Mark Performance/AncestorsInclude as unsafe #149

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merged 1 commit into from
Jul 11, 2020

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eugeneius
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We can't tell whether the receiver is a class or an object.

In my particular case, the false positive was for Nokogiri::XML::Node#ancestors:
https://github.com/sparklemotion/nokogiri/blob/v1.10.10/lib/nokogiri/xml/node.rb#L601


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We can't tell whether the receiver is a class or an object.
@koic koic mentioned this pull request Jul 11, 2020
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@koic koic merged commit e7de2ed into rubocop:master Jul 11, 2020
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koic commented Jul 11, 2020

Thanks!

koic added a commit to koic/rubocop-performance that referenced this pull request Aug 26, 2020
…ude`

Fixes rubocop#159.

This PR fixes a false positive for `Performance/AncestorsInclude`
when receiver is a variable.

As the cop's example shows, this change mainly targets when the receiver
is a constant. It can cause false negatives, but it may be less than
false positives.
And this change may lead to removing unsafe marked by rubocop#149.
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2 participants