Struct icu_calendar::ethiopian::Ethiopian

pub struct Ethiopian(pub(crate) bool);

The Ethiopian Calendar

The Ethiopian calendar is a solar calendar used by the Coptic Orthodox Church, with twelve normal months and a thirteenth small epagomenal month.

This type can be used with Date or DateTime to represent dates in this calendar.

It can be constructed in two modes: using the Amete Alem era scheme, or the Amete Mihret era scheme (the default), see EthiopianEraStyle for more info.

Era codes

This calendar supports three era codes, based on what mode it is in. In the Amete Mihret scheme it has the "incar" and "pre-incar" eras, 1 Incarnation is 9 CE. In the Amete Alem scheme, it instead has a single era, "mundi, where 1 Anno Mundi is 5493 BCE. Dates before that use negative year numbers.

Month codes

This calendar supports 13 solar month codes ("M01" - "M13"), with "M13" being used for the short epagomenal month at the end of the year.

Tuple Fields

0: bool

Implementations

impl Ethiopian

pub const fn new() -> Self

Construct a new Ethiopian Calendar for the Amete Mihret era naming scheme

pub const fn new_with_era_style(era_style: EthiopianEraStyle) -> Self

Construct a new Ethiopian Calendar with a value specifying whether or not it is Amete Alem

pub fn set_era_style(&mut self, era_style: EthiopianEraStyle)

Set whether or not this uses the Amete Alem era scheme

pub fn era_style(&self) -> EthiopianEraStyle

Returns whether this has the Amete Alem era

fn fixed_from_ethiopian(date: ArithmeticDate<Ethiopian>) -> RataDie

fn ethiopian_from_fixed(date: RataDie) -> EthiopianDateInner

fn days_in_year_direct(year: i32) -> u16

fn year_as_ethiopian(year: i32, amete_alem: bool) -> FormattableYear

Trait Implementations

impl Calendar for Ethiopian

type DateInner = EthiopianDateInner

The internal type used to represent dates

fn date_from_codes( &self, era: Era, year: i32, month_code: MonthCode, day: u8, ) -> Result<Self::DateInner, CalendarError>

Construct a date from era/month codes and fields

fn date_from_iso(&self, iso: Date<Iso>) -> EthiopianDateInner

Construct the date from an ISO date

fn date_to_iso(&self, date: &Self::DateInner) -> Date<Iso>

Obtain an ISO date from this date

fn months_in_year(&self, date: &Self::DateInner) -> u8

Count the number of months in a given year, specified by providing a date from that year

fn days_in_year(&self, date: &Self::DateInner) -> u16

Count the number of days in a given year, specified by providing a date from that year

fn days_in_month(&self, date: &Self::DateInner) -> u8

Count the number of days in a given month, specified by providing a date from that year/month

fn day_of_week(&self, date: &Self::DateInner) -> IsoWeekday

Calculate the day of the week and return it

fn year(&self, date: &Self::DateInner) -> FormattableYear

The calendar-specific year represented by date

fn is_in_leap_year(&self, date: &Self::DateInner) -> bool

Calculate if a date is in a leap year

fn month(&self, date: &Self::DateInner) -> FormattableMonth

The calendar-specific month represented by date

fn day_of_month(&self, date: &Self::DateInner) -> DayOfMonth

The calendar-specific day-of-month represented by date

fn day_of_year_info(&self, date: &Self::DateInner) -> DayOfYearInfo

Information of the day of the year

fn debug_name(&self) -> &'static str

Obtain a name for the calendar for debug printing

fn any_calendar_kind(&self) -> Option<AnyCalendarKind>

The AnyCalendarKind corresponding to this calendar, if one exists. Implementors outside of icu::calendar should return None

impl CalendarArithmetic for Ethiopian

type YearInfo = ()

In case we plan to cache per-year data, this stores useful computational information for the current year as a field on ArithmeticDate

fn month_days(year: i32, month: u8, _data: ()) -> u8

fn months_for_every_year(_: i32, _data: ()) -> u8

fn is_leap_year(year: i32, _data: ()) -> bool

fn last_month_day_in_year(year: i32, _data: ()) -> (u8, u8)

fn days_in_provided_year(year: i32, _data: ()) -> u16

Calculate the days in a given year Can be overridden with simpler implementations for solar calendars (typically, 366 in leap, 365 otherwise) Leave this as the default for lunar calendars

impl Clone for Ethiopian

fn clone(&self) -> Ethiopian

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Ethiopian

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for Ethiopian

fn default() -> Ethiopian

Returns the “default value” for a type.

impl Hash for Ethiopian

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl IntoAnyCalendar for Ethiopian

fn to_any(self) -> AnyCalendar

Convert this calendar into an AnyCalendar, moving it

fn to_any_cloned(&self) -> AnyCalendar

Convert this calendar into an AnyCalendar, cloning it

fn date_to_any(&self, d: &Self::DateInner) -> AnyDateInner

Convert a date for this calendar into an AnyDateInner

impl Ord for Ethiopian

fn cmp(&self, other: &Ethiopian) -> Ordering

This method returns an Ordering between self and other.

fn max(self, other: Self) -> Self

where Self: Sized,

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Self

where Self: Sized,

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Self

where Self: Sized + PartialOrd,

Restrict a value to a certain interval.

impl PartialEq for Ethiopian

fn eq(&self, other: &Ethiopian) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl PartialOrd for Ethiopian

fn partial_cmp(&self, other: &Ethiopian) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

fn lt(&self, other: &Rhs) -> bool

Tests less than (for self and other) and is used by the < operator.

fn le(&self, other: &Rhs) -> bool

Tests less than or equal to (for self and other) and is used by the <= operator.

fn gt(&self, other: &Rhs) -> bool

Tests greater than (for self and other) and is used by the > operator.

fn ge(&self, other: &Rhs) -> bool

Tests greater than or equal to (for self and other) and is used by the >= operator.

impl Copy for Ethiopian

impl Eq for Ethiopian

impl StructuralPartialEq for Ethiopian