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@hypirion
Created October 21, 2012 20:53
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(defmacro defsignal [name bindings out-path & body]
(let [state (gensym "state")]
`(defn ~name [~state]
(let [~@(mapcat (fn [[a b]] [a `(get-in ~state ~b)])
(partition 2 bindings))]
(assoc-in ~state ~out-path (do ~@body))))))
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