def tz.day.j
import bend-kit-time@0.3.0.0/time.bend as Timeimport Base
903def tz.day.j(r: TzField) -> Maybe<&2, TzDayPart>:
904 match r:
905 case TzField{+n, rest}:
906 tz.day.valid(Bool.and(U32.is_ge(n, 1), U32.is_le(n, 365)), Julian{n}, rest)