module List: sig .. end
val length : 'a list -> int
val init : int -> (int -> 'a) -> 'a list
val iter : ('a -> unit) -> 'a list -> unit
val drop : int -> 'a list -> 'a list
val filter_map : ('a -> 'b option) -> 'a list -> 'b list
val remove_all : 'a list -> 'a -> 'a list
val split_nth : int -> 'a list -> 'a list * 'a list
val map : ('a -> 'b) -> 'a list -> 'b list
val map2 : ('a -> 'b -> 'c) -> 'a list -> 'b list -> 'c list
val fold_left : ('a -> 'b -> 'a) -> 'a -> 'b list -> 'a
val iteri : (int -> 'a -> unit) -> 'a list -> unit