From: "cvss (Kirill Vechera)" <noreply@...>
Date: 2021-12-06T12:57:33+00:00
Subject: [ruby-core:106510] [Ruby master Bug#18390] Enumerator::Lazy#find returns invalid value

Issue #18390 has been reported by cvss (Kirill Vechera).

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Bug #18390: Enumerator::Lazy#find returns invalid value
https://bugs.ruby-lang.org/issues/18390

* Author: cvss (Kirill Vechera)
* Status: Open
* Priority: Normal
* ruby -v: 3.0.2
* Backport: 2.6: UNKNOWN, 2.7: UNKNOWN, 3.0: UNKNOWN
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There is a regression bug with #find
```ruby
# RUBY_VERSION 3.0.2
%w(abcde fg hijk).lazy.map(&:size).find(&:even?) # => nil, expected 2
%w(abcde fg hijk).map(&:size).find(&:even?) # => 2
# RUBY_VERSION 2.4.1
%w(abcde fg hijk).lazy.map(&:size).find(&:even?) # => 2
%w(abcde fg hijk).map(&:size).find(&:even?) # => 2
```





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