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module type S = Dolmen_intf.Map.S
module Make(Ord : Map.OrderedType) = struct
include Map.Make(Ord)
let find_exn = find
let find_opt k t =
match find k t with
| res -> Some res
| exception Not_found -> None
let find_add k f t =
update k (fun o -> Some (f o)) t
end
module Int = Make(Int)
module String = Maps_string