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authorGravatar Benjamin Barenblat <bbaren@mit.edu>2020-05-31 18:29:03 -0400
committerGravatar Benjamin Barenblat <bbaren@mit.edu>2020-05-31 18:29:03 -0400
commit6cc104634ef64be3be88c1fccbe98208d95d8a1a (patch)
tree9001e5333e808808125978a52669a8bff3639438 /lib/ur/datetime.ur
parent82fde07cef0e41b700b9a30137562eb05f2f2c6d (diff)
parentc2f1e1096f602b1cbd4531352f3e1ea6d656a186 (diff)
Merge branch 'dfsg_clean'
Diffstat (limited to 'lib/ur/datetime.ur')
-rw-r--r--lib/ur/datetime.ur3
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/ur/datetime.ur b/lib/ur/datetime.ur
index 9aeab291..99fd5a7d 100644
--- a/lib/ur/datetime.ur
+++ b/lib/ur/datetime.ur
@@ -88,7 +88,8 @@ fun intToMonth i = case i of
| n => error <xml>Invalid month number {[n]}</xml>
val eq_month = mkEq (fn a b => monthToInt a = monthToInt b)
-
+val ord_month = mkOrd {Lt = fn a b => monthToInt a < monthToInt b,
+ Le = fn a b => monthToInt a <= monthToInt b}
fun toTime dt : time = fromDatetime dt.Year (monthToInt dt.Month) dt.Day
dt.Hour dt.Minute dt.Second