From: dohzya <dohzya@...>
Date: 2007-08-08T23:18:52+09:00
Subject: Re: non-constant strings

Le mercredi 08 ao�t 2007 � 23:04 +0900, Robert Klemme a �crit :
> 2007/8/8, Kaldrenon <kaldrenon@gmail.com>:
> Just to make it clear: this is not unfreezing - it will just create a
> new instance that is not frozen so the original is still safe.

see by your eyes :

>> s = "test"
=> "test"
>> a = s
=> "test"
>> a.freeze
=> "test"
>> a << "test"
TypeError: can't modify frozen string
        from (irb):4:in `<<'
        from (irb):4
>> a = a.dup
=> "test"
>> a << "test"
=> "testtest"
>> s
=> "test"

s is frozen and not changed

-- 
Etienne Vallette d'Osia