Module chinese_based

Expand description

Chinese-like lunar calendars (Chinese, Dangi)

Structs§

Chinese: A type implementing ChineseBased for the Chinese calendar
ChineseFromFixedResult: chinese_based_date_from_fixed returns extra things for use in caching
Dangi: A type implementing ChineseBased for the Dangi (Korean) calendar
YearBounds: Marks the bounds of a lunar year

ChineseBased: The trait ChineseBased is used by Chinese-based calendars to perform computations shared by such calendar. To do so, calendars should:

chinese_based_date_from_fixed: Get a chinese based date from a fixed date, with the related ISO year
days_in_month: Returns the number of days in the given month after the given new_year. Also returns the RataDie of the new moon beginning the next month.
days_in_prev_year: Given a new year, calculate the number of days in the previous year
days_in_provided_year: Calculated the numbers of days in the given year
days_until_month: Given the new year and a month/day pair, calculate the number of days until the first day of the given month
extended_from_iso: Given an ISO year, return the extended year
fixed_mid_year_from_year: Get a RataDie in the middle of a year.
get_leap_month_from_new_year: Given that new_year is the first day of a leap year, find which month in the year is a leap month.
is_leap_year: Whether this year is a leap year
iso_from_extended: Given an extended year, return the ISO year
last_month_day_in_year: The last month and day in this year
month_days: Returns the number of days in the given (year, month).
month_structure_for_year: Returns the length of each month in the year, as well as a leap month index (1-indexed) if any.