[squeak-dev] Re: what is holding back Smalltalk?

Paolo Bonzini bonzini at gnu.org
Sat Nov 22 09:16:08 UTC 2008

>> Not really, because I posted at least two implementations of Generators
>> in the public domain and people were still saying they were tainted by
>> gst's.
> Cool! I've been thinking about Generators myself. Can you point me to
> your implementations?

One is in GNU Smalltalk's examples/Gen3.st.  It is GPL but I am ok with
relicensing it to MIT.  It uses separate processes, so it is not very
exception friendly.

Anyway, the best one is for VW and is at


Squeak does not have the Promise class (a ValueHolder that runs in a
separate process but forwards exceptions to the process who sent
#value), unfortunately, so it won't work there out-of-the-box.

Of course, you need to figure out what it does from the usage I make in
the Generator class.  Otherwise you'd be tainted by VW's source code and
Squeak would face being sued by Cincom for copyright violation.  Sorry,
couldn't help it.


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