select-keys(clojure.core)

Returns a map containing only those entries in map whose key is in keys

; clojure/core.clj:920
(defn select-keys
  [map keyseq]
    (loop [ret {} keys (seq keyseq)]
      (if keys
        (let [entry (. clojure.lang.RT (find map (first keys)))]
          (recur
           (if entry
             (conj ret entry)
             ret)
           (next keys)))
        ret)))

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