Clojure. Update some keys in a map.

libs.clj

(defn str-to-int
  "Convert some string keys in a map to integer"
  [coll & int-keys]
  (let [listed (set int-keys)]
    (reduce-kv #(assoc %1 %2 (if (contains? listed %2 ) (Integer/parseInt %3) %3)) {} coll)))

(str-to-int {:qt "56" :kl "Some String" :wer "22" :jj "This is ok" :aa "456" :ll "Address"} :aa :qt :wer)
;; => {:qt 56, :kl "Some String", :wer 22, :jj "This is ok", :aa 456, :ll "Address"}