public static void AssertNoOverflow(IHasDateComponents date, string target)
{
if (date.Year > DateTime.MaxValue.Year || date.Year < DateTime.MinValue.Year)
{
throw new ValueOverflowException($"Year component ({date.Year}) of this instance is not valid for a {target} instance.");
}
}
public static long ToEpochDays(this IHasDateComponents date)
{
return(ComputeEpochDays(date.Year, date.Month, date.Day));
}