From: "byroot (Jean Boussier) via ruby-core" <ruby-core@...>
Date: 2023-06-21T08:09:50+00:00
Subject: [ruby-core:113962] [Ruby master Bug#19739] Key cannot be found in a Hash when slice! method is applied to the key

Issue #19739 has been updated by byroot (Jean Boussier).





OK fix is here: https://github.com/ruby/ruby/pull/7965



----------------------------------------

Bug #19739: Key cannot be found in a Hash when slice! method is applied to the key

https://bugs.ruby-lang.org/issues/19739#change-103616



* Author: ilya.andreyuk (Ilya Andreyuk)

* Status: Open

* Priority: Normal

* ruby -v: 3.1.4

* Backport: 3.0: REQUIRED, 3.1: REQUIRED, 3.2: DONTNEED

----------------------------------------

Hello,

Key cannot be found in a Hash when slice! method is applied to the key. I cannot reproduce this behaviour with sub! or gsub! methods:



``` ruby

hash = {}

key = "ABC O�"

key.slice!(/ o�$/i) 

# key.sub!(/ o�$/i, '')

# key.gsub!(/ o�$/i, '')

hash[key] = true

"#{key} in #{hash}: value is #{hash[key]}"



=> "ABC in {\"ABC\"=>true}: value is "

```



Also it seems that ruby 2.7.6 and 3.2.2 don't have this issue.







-- 

https://bugs.ruby-lang.org/

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