Changes for clojure.core/counted?

dakrone on Thu, 07 Oct 2010
user=> (counted? [:a :b :c])
true

user=> (counted? '(:a :b :c))
true

user=> (counted? {:a 1 :b 2 :c 3})
true

user=> (counted? #{:a :b :c})
true

user=> (counted? "asdf")
false

user=> (counted? (into-array Integer/TYPE [1 2 3]))
false