On Saturday 11 April 2009 12:29:29 am Lukas Renggli wrote:
> > In the original Smalltalk, blocks were almost but not quite closures.
> > The ANSII standard says they are closures.  As far as I know, all the
> > Smalltalks except Squeak make blocks be closures.  So, changing the
>
> I haven't yet met the Smalltalk implementation that has block closures
> without obvious bugs. Making block closures correct and fast is not
> trivial.
True, But the existing block implementation is any better? It leads to more 
subtle bugs as outlined in previous mails.

BTW, I changed the thread from beginners to squeak-dev mailing list.

Subbu