{"name":"gist: 858853","desc":"#'flatten","actor":"daniel-cussen","url":"https://gist.github.com/858853","snippet":"(defun flatten (x)\n  (labels ((rec (x acc)\n\t     (cond ((null x) acc)","actor_gravatar":"d01aea8c462cbb20343d365df9da4c36","action":"create"}