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authorHugo Hörnquist <hugo@lysator.liu.se>2020-04-21 19:04:53 +0200
committerHugo Hörnquist <hugo@lysator.liu.se>2020-04-22 18:24:14 +0200
commit51e54c2ec9e013817646d7dda6635c12a14fdf5f (patch)
tree6d2bed479562ab67c02956c5e207d8d3141cb16b
parentAdd iterate procedure. (diff)
downloadcalp-51e54c2ec9e013817646d7dda6635c12a14fdf5f.tar.gz
calp-51e54c2ec9e013817646d7dda6635c12a14fdf5f.tar.xz
Add time-zero?
-rw-r--r--module/datetime.scm3
1 files changed, 3 insertions, 0 deletions
diff --git a/module/datetime.scm b/module/datetime.scm
index d74023b9..7142bec5 100644
--- a/module/datetime.scm
+++ b/module/datetime.scm
@@ -345,6 +345,9 @@
(define-public (date-zero? date)
(= 0 (year date) (month date) (day date)))
+(define-public (time-zero? time)
+ (= 0 (hour time) (minute time) (second time)))
+
;; TODO +1 month is weird for late days in a month.
;; is the last of january +1 month the last of february,
;; or a few days into march? It's at least not the 31 of