fn resolve_week_date(
year: i32,
week: u32,
weekday: Weekday,
week_start_day: Weekday,
) -> ParseResult<NaiveDate>Expand description
Create a NaiveDate when given a year, week, weekday, and the definition at which day of the
week a week starts.
Returns IMPOSSIBLE if week is 0 or 53 and the weekday falls outside the year.