From 77790187bb1c1e0de956d4bbc7795678fb0c6544 Mon Sep 17 00:00:00 2001
From: Adam Chlipala <adamc@hcoop.net>
Date: Thu, 26 Jun 2008 11:09:30 -0400
Subject: Elaborate efold

---
 src/elab_util.sml | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'src/elab_util.sml')

diff --git a/src/elab_util.sml b/src/elab_util.sml
index 7892211c..f764395d 100644
--- a/src/elab_util.sml
+++ b/src/elab_util.sml
@@ -273,6 +273,11 @@ fun mapfoldB {kind = fk, con = fc, exp = fe, bind} =
                                                   fn rest' =>
                                                      (EField (e', c', {field = field', rest = rest'}), loc)))))
 
+              | EFold k =>
+                S.map2 (mfk k,
+                         fn k' =>
+                            (EFold k', loc))
+
               | EError => S.return2 eAll
     in
         mfe
-- 
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