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authorGravatar Adam Chlipala <adamc@hcoop.net>2008-06-26 09:53:52 -0400
committerGravatar Adam Chlipala <adamc@hcoop.net>2008-06-26 09:53:52 -0400
commitf362668549c8db401474c7be1e15cd9e156d0e91 (patch)
treebace6e5d2be74b5fe6ba95d5553f0ebe266932df /src/core_util.sml
parentcb4c86447a24577e18fc312b77f23241962e09bc (diff)
Corify cfold
Diffstat (limited to 'src/core_util.sml')
-rw-r--r--src/core_util.sml6
1 files changed, 6 insertions, 0 deletions
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