fn fmt_weekday_sunday(
output: &mut (impl Write + ?Sized),
weekday: Weekday,
_: WeekdaySunday,
) -> Result<usize>Available on crate feature
formatting only.Expand description
Format the weekday into the designated output as a number from either 0-6 or 1-7 (depending on the modifier), where Sunday is either 0 or 1.