[Newbies] Block and Closure

Marcin Tustin mm3 at zepler.net
Fri Apr 10 19:34:02 UTC 2009

Why is this particularly hard for smalltalk? Scheme implementations
manage to do it. Is it simply that it's an afterthought, when it needs
to be designed in from the ground up?

On Fri, Apr 10, 2009 at 7:59 PM, Lukas Renggli <renggli at gmail.com> 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.
> Lukas
> --
> Lukas Renggli
> http://www.lukas-renggli.ch
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