Struct icu_calendar::japanese::JapaneseExtended

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pub struct JapaneseExtended(Japanese);
Expand description

The Japanese Calendar (with historical eras)

The Japanese calendar is a solar calendar used in Japan, with twelve months. The months and days are identical to that of the Gregorian calendar, however the years are counted differently using the Japanese era system.

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

§Era codes

This calendar supports a large number of era codes. It supports the five post-Meiji eras ("meiji", "taisho", "showa", "heisei", "reiwa"). Pre-Meiji eras are represented with their names converted to lowercase ascii and followed by their start year. E.g. the “Ten’ō” era (781 - 782 CE) has the code "teno-781". The Gregorian "bce" and "ce" eras are used for dates before the first known era era.

These eras are loaded from data, requiring a data provider capable of providing JapaneseExtendedErasV1Marker data (calendar/japanext@1).

Tuple Fields§

§0: Japanese

Implementations§

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impl JapaneseExtended

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pub const fn new() -> Self

Creates a new Japanese from using all eras (including pre-meiji) from compiled data.

Enabled with the compiled_data Cargo feature.

📚 Help choosing a constructor

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pub fn try_new_with_any_provider( provider: &(impl AnyProvider + ?Sized), ) -> Result<Self, CalendarError>

A version of Self::new that uses custom data provided by an AnyProvider.

📚 Help choosing a constructor

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pub fn try_new_unstable<D: DataProvider<JapaneseExtendedErasV1Marker> + ?Sized>( provider: &D, ) -> Result<Self, CalendarError>

A version of Self::new that uses custom data provided by a DataProvider.

📚 Help choosing a constructor

⚠️ The bounds on provider may change over time, including in SemVer minor releases.
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pub(crate) const DEBUG_NAME: &'static str = "Japanese (historical era data)"

Trait Implementations§

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impl Calendar for JapaneseExtended

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

The calendar-specific year represented by date

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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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type DateInner = JapaneseDateInner

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>) -> JapaneseDateInner

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

Calculate if a date is in a leap 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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fn day_of_week(&self, date: &Self::DateInner) -> IsoWeekday

Calculate the day of the week and return it
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impl Clone for JapaneseExtended

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fn clone(&self) -> JapaneseExtended

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 JapaneseExtended

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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 JapaneseExtended

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fn default() -> JapaneseExtended

Returns the “default value” for a type. Read more
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impl IntoAnyCalendar for JapaneseExtended

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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

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

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Performs the conversion.
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impl<T> ErasedDestructor for T
where T: 'static,

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