Clojure developers coming from Object Oriented backgrounds know how useful it is to separate implementation details from functions and methods that are supposed to be used by other coders. Java has public and private methods. This allows devs to limit usage and visibility of functions that are not meant to be used directly.
There are two options in Clojure for keeping functions private. First, you can use a special macro, defn- . defn- works just like defn , except that the function is only visible inside the current namespace. This makes the function private in the Java sense to the term. Continue reading “Private Functions in Clojure”