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diff src/elab_err.sig @ 1303:c7b9a33c26c8

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Hopeful fix for the Great Unification Bug
author Adam Chlipala <adam@chlipala.net>
date Sun, 10 Oct 2010 14:41:03 -0400
parents 26197c957ad6
children 3a845f2ce9e9
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--- a/src/elab_err.sig	Sun Oct 10 13:07:38 2010 -0400
+++ b/src/elab_err.sig	Sun Oct 10 14:41:03 2010 -0400
@@ -1,4 +1,4 @@
-(* Copyright (c) 2008, Adam Chlipala
+(* Copyright (c) 2008-2010, Adam Chlipala
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -56,6 +56,8 @@
            | CExplicitness of Elab.con * Elab.con
            | CKindof of Elab.kind * Elab.con * string
            | CRecordFailure of Elab.con * Elab.con * (Elab.con * Elab.con * Elab.con) option
+           | TooLifty of ErrorMsg.span * ErrorMsg.span
+           | TooUnify of Elab.con * Elab.con
 
     val cunifyError : ElabEnv.env -> cunify_error -> unit