Hi Steven,

I recently put together a propagator/cell system using Clojure's
actors/watchers.  The code for implementing a concurrent propagator
system actually came out to a little less than a single page.  Take a
look at the following for the full implementation.

http://gist.github.com/403987

Here's an example usage taking square roots using the Heron
approximation.

http://gist.github.com/403990

This was all done with the following versions -- take from the lein
project.clj file.

--8<---------------cut here---------------start------------->8---
(defproject propagator "1.0.0-SNAPSHOT"
  :description "Concurrent propagator system"
  :dependencies [[org.clojure/clojure "1.1.0-alpha-SNAPSHOT"]
                 [org.clojure/clojure-contrib "1.0-SNAPSHOT"]
                 [vijual "0.1.0-SNAPSHOT"]
                 [ring "0.2.0"]]
  :dev-dependencies [[leiningen/lein-swank "1.0.0-SNAPSHOT"]])
--8<---------------cut here---------------end--------------->8---

Best -- Eric

Steven Devijver <steven.devij...@gmail.com> writes:

> I'm experimenting with cells in clojure and am currently using the
> "lazy" branch for this. However, I'm getting some strange behavior.
>
> So my question is: which branch should I be using if I want to test-
> drive the watcher feature?
>
> Thanks

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