`sig val iter : f:('a -> 'b) -> 'a BatLazyList.t -> unit val iteri : f:(int -> 'a -> unit) -> 'a BatLazyList.t -> unit val map : f:('a -> 'b) -> 'a BatLazyList.t -> 'b BatLazyList.t val mapi : f:(int -> 'a -> 'b) -> 'a BatLazyList.t -> 'b BatLazyList.t val fold_left : f:('a -> 'b -> 'a) -> init:'a -> 'b BatLazyList.t -> 'a val fold_right : f:('a -> 'b -> 'b) -> init:'b -> 'a BatLazyList.t -> 'b val find_exn : f:('a -> bool) -> exn -> 'a BatLazyList.t -> 'a val rfind_exn : f:('a -> bool) -> exn -> 'a BatLazyList.t -> 'a val remove_if : f:('a -> bool) -> 'a BatLazyList.t -> 'a BatLazyList.t val remove_all_such : f:('a -> bool) -> 'a BatLazyList.t -> 'a BatLazyList.t val take_while : f:('a -> bool) -> 'a BatLazyList.t -> 'a BatLazyList.t val drop_while : f:('a -> bool) -> 'a BatLazyList.t -> 'a BatLazyList.t val filter : f:('a -> bool) -> 'a BatLazyList.t -> 'a BatLazyList.t val exists : f:('a -> bool) -> 'a BatLazyList.t -> bool val for_all : f:('a -> bool) -> 'a BatLazyList.t -> bool val filter_map : f:('a -> 'b option) -> 'a BatLazyList.t -> 'b BatLazyList.t val map2 : f:('a -> 'b -> 'c) -> 'a BatLazyList.t -> 'b BatLazyList.t -> 'c BatLazyList.t val iter2 : f:('a -> 'b -> unit) -> 'a BatLazyList.t -> 'b BatLazyList.t -> unit val fold_right2 : f:('a -> 'b -> 'c -> 'c) -> 'a BatLazyList.t -> 'b BatLazyList.t -> init:'c -> 'c val for_all2 : f:('a -> 'b -> bool) -> 'a BatLazyList.t -> 'b BatLazyList.t -> bool val exists2 : f:('a -> 'b -> bool) -> 'a BatLazyList.t -> 'b BatLazyList.t -> bool module Exceptionless = BatLazyList.Labels.Exceptionless val find : f:('a -> bool) -> 'a BatLazyList.t -> 'a option val rfind : f:('a -> bool) -> 'a BatLazyList.t -> 'a option val findi : f:(int -> 'a -> bool) -> 'a BatLazyList.t -> (int * 'a) option val rfindi : f:(int -> 'a -> bool) -> 'a BatLazyList.t -> (int * 'a) option val split_at : int -> 'a BatLazyList.t -> [ `Invalid_index of int | `Ok of 'a BatLazyList.t * 'a BatLazyList.t ] val at : 'a BatLazyList.t -> int -> [ `Invalid_index of int | `Ok of 'a ] val assoc : 'a -> ('a * 'b) BatLazyList.t -> 'b option val assq : 'a -> ('a * 'b) BatLazyList.t -> 'b option end`