From: Ryan Davis <ryand-ruby@...>
Date: 2012-08-27T17:58:40+09:00
Subject: Re: A Ruby class is never closed


On Aug 27, 2012, at 01:47 , Robert Klemme <shortcutter@googlemail.com> wrote:

> On Sat, Aug 25, 2012 at 11:36 PM, Marc Heiler <lists@ruby-forum.com> wrote:
>> I think he basically wants to have a class that can never ever again be
>> changed.
>> 
>> As far as I know, this is not possible in ruby.
> 
> In what ways can you still change a frozen class?

class X; freeze; end
X = X.dup
class X; def y; end; end # works fine

In what ways will ruby ever actually stop us from doing something we want to do?

private isn't private... frozen never lasts...

The people looking for these assurances have to be educated that it just isn't something that is worthwhile trying here.