(->> (all-bindings) (keep (fn [sym] (when (string/has-prefix? "peg/" (string sym)) (string sym)))) sort) # => @["peg/compile" "peg/find" "peg/find-all" "peg/match" "peg/replace" "peg/replace-all"] # from https://github.com/sogaiu/margaret/blob/master/tutorials/tutorial.janet