You can reference a function before it's defined, just as he did in the C example: http://clojuredocs.org/clojure_core/clojure.core/declare http://clojuredocs.o

You can reference a function before it's defined, just as he did in the C example: http://clojuredocs.org/clojure_core/clojure.core/declare http://clojuredocs.org/clojure_core/clojure.core/declare