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(***********************************************************************)
(* *)
(* HEVEA *)
(* *)
(* Luc Maranget, projet Moscova, INRIA Rocquencourt *)
(* *)
(* Copyright 2012 Institut National de Recherche en Informatique et *)
(* Automatique. Distributed only by permission. *)
(* *)
(***********************************************************************)
(* Map extension for counting occurrences *)
module type S = sig
type key
type count
val empty : count
val incr : key -> count -> count
val fold : (key -> int -> 'b -> 'b) -> count -> 'b -> 'b
end
module Make (Ord : Map.OrderedType) : S with type key = Ord.t
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