Clojure (2) hash map and check-login function

Is there HashMap in clojure

Yes It it.

below is hash map and check-login function

(def users 

  {"kyle" {:password "secretk" :number-pets 2}

   "siva" {:password "secrets" :number-pets 4}

   "rob" {:password "secretr" :number-pets 6}

   "george" {:password "secretg" :number-pets 8}})

(defn check-login[username password]

    (let [actual-password ((users username):password)]

        (= actual-password password)))

try to use check-login function

hello.core=> (check-login "kyle" "secretks")

false

hello.core=> (check-login "kyle" "secretk")

true