-(* Copyright (C) 2000, HELM Team.
- *
- * This file is part of HELM, an Hypertextual, Electronic
- * Library of Mathematics, developed at the Computer Science
- * Department, University of Bologna, Italy.
- *
- * HELM is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
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- * HELM is distributed in the hope that it will be useful,
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with HELM; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
- * MA 02111-1307, USA.
- *
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- *)
+(*
+ ||M|| This file is part of HELM, an Hypertextual, Electronic
+ ||A|| Library of Mathematics, developed at the Computer Science
+ ||T|| Department, University of Bologna, Italy.
+ ||I||
+ ||T|| HELM is free software; you can redistribute it and/or
+ ||A|| modify it under the terms of the GNU General Public License
+ \ / version 2 or (at your option) any later version.
+ \ / This software is distributed as is, NO WARRANTY.
+ V_______________________________________________________________ *)
-(* $Id: nCicSubstitution.ml 8135 2008-02-13 15:35:43Z tassi $ *)
+(* $Id$ *)
exception Subst_not_found of int
+exception Meta_not_found of int
val expand_local_context : NCic.lc_kind -> NCic.term list
val lookup_subst: int -> NCic.substitution -> NCic.subst_entry
+val lookup_meta: int -> NCic.metasenv -> NCic.conjecture
+
+(* both functions raise "assert false" when a Meta is found
+ * call the 'a->'a function when a binder is crossed *)
+val fold:
+ (NCic.hypothesis -> 'k -> 'k) -> 'k ->
+ ('k -> 'a -> NCic.term -> 'a) -> 'a -> NCic.term -> 'a
+val map:
+ (NCic.hypothesis -> 'k -> 'k) -> 'k ->
+ ('k -> NCic.term -> NCic.term) -> NCic.term -> NCic.term
+
+val set_head_beta_reduce: (upto:int -> NCic.term -> NCic.term) -> unit