`sig
type 'a t = 'a BatDynArray.t
type 'a enumerable = 'a t
type 'a mappable = 'a t
exception Invalid_arg of int * string * string
val create : unit -> 'a t
val make : int -> 'a t
val init : int -> (int -> 'a) -> 'a t
val empty : 'a t -> bool
val length : 'a t -> int
val get : 'a t -> int -> 'a
val last : 'a t -> 'a
val set : 'a t -> int -> 'a -> unit
val insert : 'a t -> int -> 'a -> unit
val add : 'a t -> 'a -> unit
val append : 'a t -> 'a t -> unit
val delete : 'a t -> int -> unit
val delete_last : 'a t -> unit
val delete_range : 'a t -> int -> int -> unit
val clear : 'a t -> unit
val blit : 'a t -> int -> 'a t -> int -> int -> unit
val compact : 'a t -> unit
val to_list : 'a t -> 'a list
val to_array : 'a t -> 'a array
val enum : 'a t -> 'a BatEnum.t
val of_list : 'a list -> 'a t
val of_array : 'a array -> 'a t
val of_enum : 'a BatEnum.t -> 'a t
val copy : 'a t -> 'a t
val sub : 'a t -> int -> int -> 'a t
val iter : ('a -> unit) -> 'a t -> unit
val iteri : (int -> 'a -> unit) -> 'a t -> unit
val map : ('a -> 'b) -> 'a t -> 'b t
val mapi : (int -> 'a -> 'b) -> 'a t -> 'b t
val fold_left : ('a -> 'b -> 'a) -> 'a -> 'b t -> 'a
val fold_right : ('a -> 'b -> 'b) -> 'a t -> 'b -> 'b
val index_of : ('a -> bool) -> 'a t -> int
val keep : ('a -> bool) -> 'a t -> unit
val filter : ('a -> bool) -> 'a t -> 'a t
val filter_map : ('a -> 'b option) -> 'a t -> 'b t
type resizer_t = currslots:int -> oldlength:int -> newlength:int -> int
val set_resizer : 'a t -> resizer_t -> unit
val get_resizer : 'a t -> resizer_t
val default_resizer : resizer_t
val exponential_resizer : resizer_t
val step_resizer : int -> resizer_t
val conservative_exponential_resizer : resizer_t
val unsafe_get : 'a t -> int -> 'a
val unsafe_set : 'a t -> int -> 'a -> unit
val print :
?first:string ->
?last:string ->
?sep:string ->
('a BatInnerIO.output -> 'b -> unit) ->
'a BatInnerIO.output -> 'b t -> unit
val invariants : 'a t -> unit
end`