(local {: contains} (require :lib.contains)) (local {: flip} (require :lib.flip)) (local {: head} (require :lib.head)) (local {: keys} (require :lib.keys)) (local {: mill?} (require :lib.mill)) (local {: pprint} (require :lib.tableprint)) (local {: slice} (require :lib.slice)) (local {: tail} (require :lib.tail)) { : contains : flip : head : keys : mill? : pprint : slice : tail }