Added check for duplicate (convertible) composite coercions,

[helm.git] / helm / software / components / cic_unification / coercGraph.mli

diff --git a/helm/software/components/cic_unification/coercGraph.mli b/helm/software/components/cic_unification/coercGraph.mli
index 62e4844997e72f73bc02ae8e0c99fecaaee7f264..ae2bd9233943c3d1993be89f0c05d1fb6a775396 100644 (file)
--- a/helm/software/components/cic_unification/coercGraph.mli
+++ b/helm/software/components/cic_unification/coercGraph.mli
@@ -52,7 +52,13 @@ val source_of: Cic.term -> Cic.term
 
 val generate_dot_file: unit -> string
 
+(* given the Appl contents returns the argument of the head coercion *)
+val coerced_arg: Cic.term list -> Cic.term option
+
+(* returns: (carr,menv,(saturated coercion,last arg)option,idem) list *)
 val meets : 
+  Cic.metasenv -> Cic.substitution -> Cic.context ->
   CoercDb.coerc_carr -> CoercDb.coerc_carr -> 
-    CoercDb.coerc_carr list
+    (CoercDb.coerc_carr * Cic.metasenv * 
+      (Cic.term * Cic.term) option * (Cic.term * Cic.term) option) list