eureka! match x with [ C gfds fsd fdg fdg fdg fd gfdg fd => c ] is

[helm.git] / helm / software / components / ng_kernel / nReference.ml

diff --git a/helm/software/components/ng_kernel/nReference.ml b/helm/software/components/ng_kernel/nReference.ml
index 2892915c340b83f450dd0b4acc10b9989221f9f1..b5782bd034510a793ff93c736294bc8f4d75eb17 100644 (file)
--- a/helm/software/components/ng_kernel/nReference.ml
+++ b/helm/software/components/ng_kernel/nReference.ml
@@ -119,7 +119,16 @@ let string_of_reference (Ref (u,indinfo)) =
 let mk_constructor j = function
   | Ref (u, Ind (_,i,l)) -> 
       reference_of_string (string_of_reference (Ref (u, Con (i,j,l))))
-  | _ -> assert false
+  | r -> 
+      raise (IllFormedReference (lazy ("NON INDUCTIVE TYPE REFERENCE: " ^
+        string_of_reference r))); 
+;;
+let mk_indty b = function
+  | Ref (u, Con (i,_,l)) -> 
+      reference_of_string (string_of_reference (Ref (u, Ind (b,i,l))))
+  | r -> 
+      raise (IllFormedReference (lazy 
+        ("NON INDUCTIVE TYPE CONSTRUCTOR REFERENCE: " ^ string_of_reference r))); 
 ;;
 
 let mk_fix i j = function