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(* Imperative bitmaps *)
type t
(* Create a bitmap given the number
* of bits *)
val make : int -> t
val init : int -> (int -> bool) -> t (* Also initialize it *)
val size : t -> int (* How much space it is reserved *)
(* The cardinality of a set *)
val card : t -> int
(* Make a copy of a bitmap *)
val clone : t -> t
val cloneEmpty : t -> t (* An empty set with the same
* dimentions *)
val set : t -> int -> bool -> unit
val get : t -> int -> bool
(* destructive union. The first
* element is updated. Returns true
* if any change was actually
* necessary *)
val union : t -> t -> bool
(* accLive livein liveout def. Does
* liveIn += (liveout - def) *)
val accLive : t -> t -> t -> bool
(* Copy the second argument onto the
* first *)
val assign : t -> t -> unit
val inters : t -> t -> unit
val diff : t -> t -> unit
val empty : t -> bool
val equal : t -> t -> bool
val toList : t -> int list
val iter : (int -> unit) -> t -> unit
val fold : ('a -> int -> 'a) -> t -> 'a -> 'a
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