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-rw-r--r--module/vcalendar.scm5
1 files changed, 5 insertions, 0 deletions
diff --git a/module/vcalendar.scm b/module/vcalendar.scm
index dbab308c..6beb63f5 100644
--- a/module/vcalendar.scm
+++ b/module/vcalendar.scm
@@ -125,6 +125,11 @@
(eq? (as-symb k1)
(as-symb k2)))
+(define-public (event-length e)
+ (time-difference
+ (attr e 'DTEND)
+ (attr e 'DTSTART)))
+
(define* (make-vcomponent #:optional path)
(if (not path)
(%vcomponent-make)