Changes for clojure.core/ref-set

zkim on Sun, 26 Sep 2010
user=> (def foo (ref {}))
#'user/foo

user=> (dosync
         (ref-set foo {:foo "bar"}))
{:foo "bar"}

user=> @foo
{:foo "bar"}
defn on Mon, 02 Aug 2010
(def foo (ref {}))
; => #'user/foo

(dosync
  (ref-set foo {:foo "bar"}))
; => {:foo "bar"}

@foo
; => {:foo "bar"}