Clojure
cd ~/
git clone git:\/\/github.com/overtone/emacs-live.git ~\/.emacs.d
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(defn arg-count [f]
(let [m (first (.getDeclaredMethods (class f)))
p (.getParameterTypes m)]
(alength p))) [[http://stackoverflow.com/questions/1696693/clojure-how-to-find-out-the-arity-of-function-at-runtime|functional programming - Clojure: How to find out the arity of function at runtime? - Stack Overflow]]
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