val make : int -> 'a -> 'a listval table : int -> (int -> 'a) -> 'a listval take : int -> 'a list -> 'a listval drop : int -> 'a list -> 'a listval split_last : 'a list -> 'a list * 'aval index_of : 'a -> 'a list -> int optionval index_where : ('a -> bool) -> 'a list -> int optionval map_filter : ('a -> 'b option) -> 'a list -> 'b listval concat_map : ('a -> 'b list) -> 'a list -> 'b listval concat_map_s : ('a -> 'b list Lwt.t) -> 'a list -> 'b list Lwt.tval pairwise : ('a -> 'a -> 'b) -> 'a list -> 'b list