X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fcomponents%2Fng_kernel%2FnCicUtils.mli;h=269603c65d0aa398f6a58f3b08817a065cae237f;hb=507636cbb473500f40d0969a30e7afc7ddd88f2d;hp=45c444ac4118dc926ef1e7b466493fcd4c330f37;hpb=b7387e01fb1ce2745a6df6ffc254dba7d13d35ac;p=helm.git

diff --git a/helm/software/components/ng_kernel/nCicUtils.mli b/helm/software/components/ng_kernel/nCicUtils.mli
index 45c444ac4..269603c65 100644
--- a/helm/software/components/ng_kernel/nCicUtils.mli
+++ b/helm/software/components/ng_kernel/nCicUtils.mli
@@ -25,5 +25,23 @@
 
 (* $Id: nCicSubstitution.ml 8135 2008-02-13 15:35:43Z tassi $ *)
 
+exception Subst_not_found of int
+exception Meta_not_found of int
+
+val sharing_map: ('a -> 'a) -> 'a list -> 'a list
+
 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 is_closed: NCic.term -> bool