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diff src/elab_util.sml @ 67:9f89f0b00b84

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Elaborating cfold
author Adam Chlipala <adamc@hcoop.net>
date Thu, 26 Jun 2008 09:48:54 -0400
parents abb2b32c19fb
children 6431b315a1e3
line wrap: on
line diff
--- a/src/elab_util.sml	Thu Jun 26 09:09:30 2008 -0400
+++ b/src/elab_util.sml	Thu Jun 26 09:48:54 2008 -0400
@@ -143,6 +143,12 @@
                          S.map2 (mfc ctx c2,
                               fn c2' =>
                                  (CConcat (c1', c2'), loc)))
+              | CFold (k1, k2) =>
+                S.bind2 (mfk k1,
+                         fn k1' =>
+                            S.map2 (mfk k2,
+                                    fn k2' =>
+                                       (CFold (k1', k2'), loc)))
 
               | CError => S.return2 cAll
               | CUnif (_, _, ref (SOME c)) => mfc' ctx c