Extensions of Standard Map
Provide useful functions and iterators on Map.S
type 'a iter = ('a -> unit) -> unit
type 'a printer = Stdlib.Format.formatter -> 'a -> unit
module type OrderedType = Stdlib.Map.OrderedType
module type S = sig ... end
module Make (O : Stdlib.Map.OrderedType) : S with type 'a t = 'a Stdlib.Map.Make(O).t and type key = O.t