In a nutshell, those are the building blocks for the "dataflow
programming paradigm".

It's an easy way to make a computation done in thread A (and using a
pre-declared promise) block until thread B has delivered the promise
(given it its value).

The book CTM covers dataflow programming :
http://www.info.ucl.ac.be/~pvr/book.html

Now, to be honest, i still haven't read the related parts of the book,
and I'm unable to give more concrete examples yet :-)

2010/1/21 Baishampayan Ghose <b.gh...@ocricket.com>:
> Hello,
>
> I am trying to understand the use-cases of the new promise/deliver
> feature in Clojure. I have tried using them, and they seem to be
> pretty straight-forward to use, but unfortunately I haven't been able
> to understand its use-cases.
>
> It would be great if someone pointed out some example usage of 
> promise/deliver.
>
> Regards,
> BG
>
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> Baishampayan Ghose
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