hare

commit b6b9bfb7f072826a18b755141c9b33285e7e79e1
parent ec2e0a925ae954999a073cae7c8a57c69df3f935
Author: Byron Torres <b@torresjrjr.com>
Date:   Mon, 24 Jan 2022 12:19:52 +0000

add timezone.posix_extend

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

Diffstat:
M
time/chrono/timezone.ha
 | 
11
+++++++++++
M
time/olson/olson.ha
 | 
2
++

2 files changed, 13 insertions(+), 0 deletions(-)
diff --git a/time/chrono/timezone.ha b/time/chrono/timezone.ha
@@ -23,6 +23,12 @@ export type timezone = struct {
 
 	// The transitions between this timezone's zones
 	transitions: []transition,
+
+	// A timezone specifier in the POSIX "expanded" TZ format.
+	// See https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap08.html
+	//
+	// Used for extending calculations beyond the last known transition.
+	posix_extend: str,
 };
 
 // A timezone state, with an offset for calculating localized civil time
@@ -128,6 +134,7 @@ export fn fixedzone(ts: *timescale, daylen: time::duration, z: zone) timezone = 
 		daylength = daylen,
 		zones = alloc([z]),
 		transitions = [],
+		posix_extend = "",
 	};
 };
 
@@ -151,6 +158,7 @@ const TZ_local: timezone = timezone {
 		},
 	],
 	transitions = [],
+	posix_extend = "",
 };
 
 // The UTC (Coordinated Universal Time) "Zulu" timezone
@@ -169,6 +177,7 @@ const TZ_UTC: timezone = timezone {
 		},
 	],
 	transitions = [],
+	posix_extend = "",
 };
 
 // The TAI (International Atomic Time) "Zulu" timezone
@@ -187,6 +196,7 @@ const TZ_TAI: timezone = timezone {
 		},
 	],
 	transitions = [],
+	posix_extend = "",
 };
 
 // The MTC (Coordinated Mars Time) "Zulu" timezone
@@ -205,4 +215,5 @@ const TZ_MTC: timezone = timezone {
 		},
 	],
 	transitions = [],
+	posix_extend = "",
 };
diff --git a/time/olson/olson.ha b/time/olson/olson.ha
@@ -50,6 +50,7 @@ const tz_europe__amsterdam: chrono::timezone = chrono::timezone{
 		},
 	],
 	transitions = [],
+	posix_extend = "",
 };
 
 // CET (Central European Time) timezone
@@ -74,4 +75,5 @@ const tz_cet: chrono::timezone = chrono::timezone{
 		},
 	],
 	transitions = [],
+	posix_extend = "",
 };