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diff src/core_util.sml @ 69:8e9920db39f2

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Corify cfold
author Adam Chlipala <adamc@hcoop.net>
date Thu, 26 Jun 2008 09:53:52 -0400
parents 0a5c312de09a
children 8b611ecc5f2d
line wrap: on
line diff
--- a/src/core_util.sml	Thu Jun 26 09:51:28 2008 -0400
+++ b/src/core_util.sml	Thu Jun 26 09:53:52 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)))
     in
         mfc
     end