Struct icu_calendar::ethiopian::Ethiopian

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pub struct Ethiopian(pub(crate) bool);
Expand description

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§

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impl Ethiopian

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pub const fn new() -> Self

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

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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

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

Set whether or not this uses the Amete Alem era scheme

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pub fn era_style(&self) -> EthiopianEraStyle

Returns whether this has the Amete Alem era

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

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fn ethiopian_from_fixed(date: RataDie) -> EthiopianDateInner

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fn days_in_year_direct(year: i32) -> u16

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

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impl Calendar for Ethiopian

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type DateInner = EthiopianDateInner

The internal type used to represent dates
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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
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fn date_from_iso(&self, iso: Date<Iso>) -> EthiopianDateInner

Construct the date from an ISO date
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fn date_to_iso(&self, date: &Self::DateInner) -> Date<Iso>

Obtain an ISO date from this date
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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
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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
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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
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fn day_of_week(&self, date: &Self::DateInner) -> IsoWeekday

Calculate the day of the week and return it
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fn year(&self, date: &Self::DateInner) -> FormattableYear

The calendar-specific year represented by date
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fn is_in_leap_year(&self, date: &Self::DateInner) -> bool

Calculate if a date is in a leap year
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fn month(&self, date: &Self::DateInner) -> FormattableMonth

The calendar-specific month represented by date
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fn day_of_month(&self, date: &Self::DateInner) -> DayOfMonth

The calendar-specific day-of-month represented by date
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fn day_of_year_info(&self, date: &Self::DateInner) -> DayOfYearInfo

Information of the day of the year
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fn debug_name(&self) -> &'static str

Obtain a name for the calendar for debug printing
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fn any_calendar_kind(&self) -> Option<AnyCalendarKind>

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

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

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

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

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

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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 Read more
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impl Clone for Ethiopian

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fn clone(&self) -> Ethiopian

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for Ethiopian

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

Formats the value using the given formatter. Read more
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impl Default for Ethiopian

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fn default() -> Ethiopian

Returns the “default value” for a type. Read more
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impl Hash for Ethiopian

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

Feeds this value into the given Hasher. Read more
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fn hash_slice<H>(data: &[Self], state: &mut H)
where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl IntoAnyCalendar for Ethiopian

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fn to_any(self) -> AnyCalendar

Convert this calendar into an AnyCalendar, moving it Read more
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fn to_any_cloned(&self) -> AnyCalendar

Convert this calendar into an AnyCalendar, cloning it Read more
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fn date_to_any(&self, d: &Self::DateInner) -> AnyDateInner

Convert a date for this calendar into an AnyDateInner Read more
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impl Ord for Ethiopian

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

This method returns an Ordering between self and other. Read more
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fn max(self, other: Self) -> Self
where Self: Sized,

Compares and returns the maximum of two values. Read more
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fn min(self, other: Self) -> Self
where Self: Sized,

Compares and returns the minimum of two values. Read more
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fn clamp(self, min: Self, max: Self) -> Self
where Self: Sized + PartialOrd,

Restrict a value to a certain interval. Read more
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impl PartialEq for Ethiopian

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

This method tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl PartialOrd for Ethiopian

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

This method returns an ordering between self and other values if one exists. Read more
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fn lt(&self, other: &Rhs) -> bool

This method tests less than (for self and other) and is used by the < operator. Read more
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fn le(&self, other: &Rhs) -> bool

This method tests less than or equal to (for self and other) and is used by the <= operator. Read more
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fn gt(&self, other: &Rhs) -> bool

This method tests greater than (for self and other) and is used by the > operator. Read more
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fn ge(&self, other: &Rhs) -> bool

This method tests greater than or equal to (for self and other) and is used by the >= operator. Read more
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impl Copy for Ethiopian

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impl Eq for Ethiopian

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impl StructuralPartialEq for Ethiopian

Auto Trait Implementations§

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<C> AsCalendar for C
where C: Calendar,

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type Calendar = C

The calendar being wrapped
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fn as_calendar(&self) -> &C

Obtain the inner calendar
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<T> ErasedDestructor for T
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impl<T> MaybeSendSync for T