module List2:sig..end
val mapi : (int -> 'a -> 'b) -> 'a list -> 'b list
val iteri : (int -> 'a -> unit) -> 'a list -> unit
val index : 'a -> 'a list -> int -> int
val indexq : 'a -> 'a list -> int -> int
val indexf : ('a -> bool) -> 'a list -> int -> int
val range : int -> int -> int list
val take : 'a list -> int -> 'a list
val drop : 'a list -> int -> 'a list
val make : int -> 'a -> 'a list