How to do interfaces in clojure? protocols

(defprotocol Vehicle
  "Vehicle"
  (get-number-of-wheels [this] "How many wheel?")
  (get-model [this] "What is the model?")
  (get-color [this] "What is the color?")
  )

(deftype Car [model]
  Vehicle
  (get-number-of-wheels [this] 4)
  (get-model [this] model)
  (get-color [this] "red")
  )

(deftype Bike [model]
  Vehicle
  (get-number-of-wheels [this] 2)
  (get-model [this] model)
  (get-color [this] "blackish")
  )

(def car (Car. "Tesla"))
(def bike (Bike. "Harley"))

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• Tag: clojure