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(* $Id$ *)
open Util
(* Dynamics, programmed with DANGER !!! *)
type t = string * Obj.t
let dyntab = ref ([] : string list)
let create s =
if List.mem s !dyntab then anomaly "Dyn.create: already declared dynamic";
dyntab := s :: !dyntab;
((fun v -> (s,Obj.repr v)),
(fun (s',rv) ->
if s = s' then Obj.magic rv else failwith "dyn_out"))
let tag (s,_) = s
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