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(***********************************************************************)
(* v * The Coq Proof Assistant / The Coq Development Team *)
(* <O___,, * INRIA-Rocquencourt & LRI-CNRS-Orsay *)
(* \VV/ *************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(***********************************************************************)
(******************************************************************************)
(* *)
(* PROJECT MoWGLI *)
(* *)
(* Unsharing of 100% pure ocaml terms. *)
(* *)
(* Claudio Sacerdoti Coen <sacerdot@cs.unibo.it> *)
(* 11/04/2002 *)
(* *)
(******************************************************************************)
exception CanNotUnshare;;
(* [unshare t] gives back a copy of t where all sharing has been removed *)
(* Physical equality becomes meaningful on unshared terms. Hashtables that *)
(* use physical equality can now be used to associate information to evey *)
(* node of the term. *)
val unshare: ?already_unshared:('a -> bool) -> 'a -> 'a
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