From: Brian Candler <redmine@...>
Date: 2009-07-30T19:59:08+09:00
Subject: [ruby-core:24616] [Bug #1836] Can change encoding on frozen String

Issue #1836 has been updated by Brian Candler.


Well, force_encoding raises an exception even if you specify the same one it already has:

>> s = "abcd"
=> "abcd"
>> s.freeze.force_encoding(s.encoding)
RuntimeError: can't modify frozen string

So your new behaviour would be consistent with that. Whether that's the desired behaviour is not really for me to decide.

I guess it would be consistent with other null modify operations, such as

>> s.strip!
RuntimeError: can't modify frozen string
>> s.tr!("f","f")
RuntimeError: can't modify frozen string

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http://redmine.ruby-lang.org/issues/show/1836

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