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diff src/elab_env.sml @ 228:19e5791923d0

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Resolving lingering type class constraints
author Adam Chlipala <adamc@hcoop.net>
date Thu, 21 Aug 2008 14:45:31 -0400
parents a3413288cce1
children 2b9dfaffb008
line wrap: on
line diff
--- a/src/elab_env.sml	Thu Aug 21 14:09:08 2008 -0400
+++ b/src/elab_env.sml	Thu Aug 21 14:45:31 2008 -0400
@@ -363,6 +363,7 @@
     case c of
         CNamed n => SOME (ClNamed n)
       | CModProj x => SOME (ClProj x)
+      | CUnif (_, _, _, ref (SOME c)) => class_name_in c
       | _ => NONE
 
 fun class_key_in (c, _) =
@@ -370,6 +371,7 @@
         CRel n => SOME (CkRel n)
       | CNamed n => SOME (CkNamed n)
       | CModProj x => SOME (CkProj x)
+      | CUnif (_, _, _, ref (SOME c)) => class_key_in c
       | _ => NONE
 
 fun class_pair_in (c, _) =