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-rw-r--r--toplevel/vernacentries.ml4
1 files changed, 3 insertions, 1 deletions
diff --git a/toplevel/vernacentries.ml b/toplevel/vernacentries.ml
index adfccb5023..b8baca9eb0 100644
--- a/toplevel/vernacentries.ml
+++ b/toplevel/vernacentries.ml
@@ -556,7 +556,9 @@ let vernac_inductive poly lo finite indl =
| [ ( _ , _ , _ , _, RecordDecl _ ) , _ ] ->
Errors.error "where clause not supported for (co)inductive records"
| _ -> let unpack = function
- | ( (_, id) , bl , c , _ , Constructors l ) , ntn -> ( id , bl , c , l ) , ntn
+ | ( (false, id) , bl , c , _ , Constructors l ) , ntn -> ( id , bl , c , l ) , ntn
+ | ( (true,_),_,_,_,Constructors _),_ ->
+ Errors.error "Variant types do not handle the \"> Name\" syntax, which is reserved for records. Use the \":>\" syntax on constructors instead."
| _ -> Errors.error "Cannot handle mutually (co)inductive records."
in
let indl = List.map unpack indl in