How to update map value using function?

Question

I have a map m, a key k and a function f. Is it possible to rewrite this code simpler?

(assoc m k (f (get m k))

Answer 1

Try clojure.core/update-in

(update-in m [k] f)

Edit: Clojure 1.7 introduced clojure.core/update

(update m k f)