Lisp Reference

By Kai | Published: March 15, 2010

A collection of lisp snippets I’ll be adding to as I learn more.

Factorial (recursive function)

(defun factorial (n)                                
  (if (= n 0)                                       
    1                                             
    (if (> n 0)                                   
      (* n (factorial (- n 1))))))
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