def tz.rule.dstclock
import bend-kit-time@0.3.0.0/time.bend as Timeimport Base
import bend-kit-int@0.2.0.0/int.bend as Int
1007def tz.rule.dstclock(r: TzClock, standard: Ttype, abbr: String) -> Maybe<&2, TzRule>:
1008 match r:
1009 case TzClock{west, rest}:
1010 tz.rule.dates(standard, Ttype{Int.I64.neg(west), True{}, abbr}, rest)