multi.clj

(ns test-app.bar)

(defmulti do-it :foo)

(defmethod do-it "foo"
  [m]
  "foo'd it")

(defmethod do-it "bar"
  [m]
  "bar'd it")

(defmethod do-it :default
  [m]
  "default")

[((get-method do-it "bar") 'anything)
 ((get-method do-it "x") 'anything)]

;; => ["bar'd it" "default"]