diff src/elaborate.sml @ 1736:7ec8dab190a7

Better discovery of type class instances from recursive definitions
author Adam Chlipala <adam@chlipala.net>
date Wed, 02 May 2012 08:34:50 -0400
parents ab24a7cb2a64
children 78d7cc9c9b18
line wrap: on
line diff
--- a/src/elaborate.sml	Wed May 02 08:23:30 2012 -0400
+++ b/src/elaborate.sml	Wed May 02 08:34:50 2012 -0400
@@ -3912,8 +3912,11 @@
                                                                   expError env (IllegalRec (x, e'));
                                                               ((x, n, c', e'), gs1 @ gs)
                                                           end) gs vis
+
+                    val vis = map (fn (x, n, t, e) => (x, n, normClassConstraint env t, e)) vis
+                    val d = (L'.DValRec vis, loc)
                 in
-                    ([(L'.DValRec vis, loc)], (env, denv, gs))
+                    ([d], (E.declBinds env d, denv, gs))
                 end
 
               | L.DSgn (x, sgn) =>