From: Mat Schaffer <schapht@...>
Date: 2006-06-17T04:54:39+09:00
Subject: Re: More rebinding blocks

On Jun 16, 2006, at 3:43 PM, Mauricio Fernandez wrote:
> On Sat, Jun 17, 2006 at 04:14:06AM +0900, Sean O'Halpin wrote:
>> On 6/16/06, Mat Schaffer <schapht@gmail.com> wrote:
>>> Can Matz or anyone offer any assurance that that feature of 1.9 will
>>> survive in later releases?  I'd hate to write code that uses it only
>>> to loose it in a future release.
>>
>> I think you can be pretty sure it will survive. You can also find an
>> implementation by Ara Howard for 1.8 in ruby-talk:156726.
>
> There are many implementations around. In addition to the above  
> one, Ara
> posted another on [[ruby-core:6380]. Both are thread-safe, but will  
> not work
> in general with frozen objects. They're still better than the one  
> you can find
> in ActiveSupport, which is not strictly thread-safe (it is in  
> practice,
> though).
> I wrote yet another implementation which is thread-safe _and_ works  
> with
> frozen objects; you can find it at
>     http://eigenclass.org/hiki.rb?instance_exec
> where I also compare it to some other ones.

You, my friend, possess an impressive intellect.  Thanks so much.
-Mat