From f362668549c8db401474c7be1e15cd9e156d0e91 Mon Sep 17 00:00:00 2001
From: Adam Chlipala <adamc@hcoop.net>
Date: Thu, 26 Jun 2008 09:53:52 -0400
Subject: Corify cfold

---
 src/core_util.sml | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'src/core_util.sml')

diff --git a/src/core_util.sml b/src/core_util.sml
index b3e266af..66918863 100644
--- a/src/core_util.sml
+++ b/src/core_util.sml
@@ -143,6 +143,12 @@ fun mapfoldB {kind = fk, con = fc, bind} =
                          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
-- 
cgit v1.2.3