Imported Upstream version 8.0pl1upstream/8.0pl1

1 files changed, 21 insertions, 0 deletions

diff --git a/contrib/xml/unshare.mli b/contrib/xml/unshare.mli
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+(************************************************************************)
+(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
+(* <O___,, * CNRS-Ecole Polytechnique-INRIA Futurs-Universite Paris Sud *)
+(*   \VV/  **************************************************************)
+(*    //   *   The HELM Project         /   The EU MoWGLI Project       *)
+(*         *   University of Bologna                                    *)
+(************************************************************************)
+(*          This file is distributed under the terms of the             *)
+(*           GNU Lesser General Public License Version 2.1              *)
+(*                                                                      *)
+(*                 Copyright (C) 2000-2004, HELM Team.                  *)
+(*                       http://helm.cs.unibo.it                        *)
+(************************************************************************)
+
+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