(alter-var-root v f & args)
Atomically alters the root binding of var v by applying f to its
current value plus any args
Source
(defn alter-var-root
"Atomically alters the root binding of var v by applying f to its
current value plus any args"
{:added "1.0"
:static true}
[^clojure.lang.Var v f & args] (.alterRoot v f args))