Module type Datatype.MAP


module type MAP = sig .. end
Sub-signature of Map.S.

type key 
type 'a t 
val descr : Unmarshal.t -> Unmarshal.t
val empty : 'a t
val add : key -> 'a -> 'a t -> 'a t
val iter : (key -> 'a -> unit) -> 'a t -> unit
Since Beryllium-20090901
val fold : (key -> 'a -> 'b -> 'b) -> 'a t -> 'b -> 'b