(defn unchecked-add-int
"Returns the sum of x and y, both int.
Note - uses a primitive operator subject to overflow."
{:inline (fn [x y] `(. clojure.lang.Numbers (unchecked_int_add ~x ~y)))
:added "1.0"}
[x y] (. clojure.lang.Numbers (unchecked_int_add x y)))