On Feb 9, 5:00 pm, Stuart Sierra <the.stuart.sie...@gmail.com> wrote:
>
> My latest implementation, at clojure.contrib.auto-agents, does *not*
> handle circular dependencies. It uses Agents and Watchers to
> implement the updates.
from auto-agent.clj:
(defmacro auto-agent
"Creates an agent whose value is the result of evaluating expr.
Whenever one of the agents/atoms/refs dererenced within expr
changes, expr is reevaluated and this agent's state is set to its
new value."
[expr]
`(let [value-fn# (fn [old# a#] ~expr)
cell# (agent (value-fn# nil nil))]
(doseq [d# (find-derefs ~expr)]
(add-watcher d# :send cell# value-fn#))
^^^^^^^^^^^^^
cell#))
this errors on loading. Should that be "add-watch" instead?
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