Thank you,
But the things are more complicated. In my case, I need to update the atom
with the result of a (native) function which unfortunately also performs
some side effects and cannot be split in two.
Updated example:
(def state {:result nil :input [1 2 3]})
(defn update-item!
[item]
(if (:result item) ; if already processed, do nothing
item
(let [result (side-effect-fn! (:input item))]
(assoc item :result result))))
(swap! state update-item!) ;; same problem
Jozef
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