hare

commit c6510afaf6e2cebebc6486f833235a17a4359a6b
parent ad46c132720c1cbcdd8cac9f19fa0f18dedb0ab1
Author: Byron Torres <b@torresjrjr.com>
Date:   Sun,  9 Jan 2022 23:05:54 +0000

add chrono::to_instant()

Signed-off-by: Byron Torres <b@torresjrjr.com>

Diffstat:
M
time/chrono/chronology.ha
 | 
10
++++++++++

1 file changed, 10 insertions(+), 0 deletions(-)
diff --git a/time/chrono/chronology.ha b/time/chrono/chronology.ha
@@ -45,6 +45,16 @@ export fn from_instant(i: time::instant, loc: locality) moment = {
 	return m;
 };
 
+// Creates a new [[time::instant]] from a [[moment]]
+export fn to_instant(m: moment) time::instant = {
+	const daysec = (m.loc.daylength / time::SECOND);
+	const i = time::instant {
+		sec = (m.date: i64 * daysec) + (m.time / time::SECOND),
+		nsec = m.time % time::SECOND,
+	};
+	return i;
+};
+
 // The temporal length of a day on Earth.
 // Interpreted with an appropriate timescale like UTC, TAI, GPS.
 export def EARTH_DAY: time::duration = 86400 * time::SECOND;