Changes for clojure.core/swap!

jamieorc on Mon, 30 Apr 2012
user> (def counter (atom 0))
#'user/counter

user> (swap! counter inc)
1

user> (swap! counter inc)
2
Kototama on Thu, 07 Oct 2010
user> (def *counter* (atom 0))
#'user/*counter*

user> (swap! *counter* inc)
1

user> (swap! *counter* inc)
2