I ended up needing the following utility, modified from the Clojure
source:
(defn mapv-in
"maps f over a nested vector structure"
([f coll]
(let [f #(if (coll? %)(mapv-in f %)(f %))]
(-> (reduce (fn [v o] (conj! v (f o))) (transient []) coll)
persistent!))))
I wrote just as much as I needed. Has anyone else needed to map some
function over nested structures? Is there some standard
implementation out there?
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