(* $Id: nCicSubstitution.ml 8135 2008-02-13 15:35:43Z tassi $ *)
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 Meta agnostic, map attempts to preserve sharing.
* call the 'a->'a function when a binder is crossed *)