Struct icu::calendar::cal::scaffold::Japanese

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pub struct Japanese { /* private fields */ }
Expand description

The Japanese Calendar (with modern eras only)

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 calendar only contains eras after Meiji, for all historical eras, check out JapaneseExtended.

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

§Era codes

This calendar currently supports seven era codes. It supports the five post-Meiji eras ("meiji", "taisho", "showa", "heisei", "reiwa"), as well as using the Gregorian "bce" and "ce" for dates before the Meiji era.

Future eras will also be added to this type when they are decided.

These eras are loaded from data, requiring a data provider capable of providing JapaneseErasV1Marker data (calendar/japanese@1).

§Month codes

This calendar supports 12 solar month codes ("M01" - "M12")

Implementations§

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impl Japanese

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pub const fn new() -> Japanese

Creates a new Japanese using only modern eras (post-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<Japanese, DataError>

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_with_buffer_provider( provider: &(impl BufferProvider + ?Sized), ) -> Result<Japanese, DataError>

A version of [Self :: new] that uses custom data provided by a BufferProvider.

Enabled with the serde feature.

📚 Help choosing a constructor

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pub fn try_new_unstable<D>(provider: &D) -> Result<Japanese, DataError>

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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impl Calendar for Japanese

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fn month(&self, date: &<Japanese as Calendar>::DateInner) -> MonthInfo

The calendar-specific month represented by date

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fn day_of_month(&self, date: &<Japanese as Calendar>::DateInner) -> DayOfMonth

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

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fn day_of_year_info( &self, date: &<Japanese as Calendar>::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: Option<Era>, year: i32, month_code: MonthCode, day: u8, ) -> Result<<Japanese as Calendar>::DateInner, DateError>

Construct a date from era/month codes and fields Read more
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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: &<Japanese as Calendar>::DateInner) -> Date<Iso>

Obtain an ISO date from this date
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fn months_in_year(&self, date: &<Japanese as Calendar>::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: &<Japanese as Calendar>::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: &<Japanese as Calendar>::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 year(&self, date: &<Japanese as Calendar>::DateInner) -> YearInfo

Information about the year
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fn is_in_leap_year(&self, date: &<Japanese as Calendar>::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 CldrCalendar for Japanese

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type YearNamesV1Marker = JapaneseYearNamesV1Marker

The data marker for loading year symbols for this calendar.
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type MonthNamesV1Marker = JapaneseMonthNamesV1Marker

The data marker for loading month symbols for this calendar.
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type SkeletaV1Marker = JapaneseDateNeoSkeletonPatternsV1Marker

The data marker for loading skeleton patterns for this calendar.
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impl Clone for Japanese

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fn clone(&self) -> Japanese

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 Japanese

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

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

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fn default() -> Japanese

Returns the “default value” for a type. Read more
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impl From<Japanese> for AnyCalendar

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fn from(value: Japanese) -> AnyCalendar

Converts to this type from the input type.
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impl IntoAnyCalendar for Japanese

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fn to_any(self) -> AnyCalendar

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

The AnyCalendarKind enum variant associated with this calendar
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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 from_any(any: AnyCalendar) -> Result<Japanese, AnyCalendar>

Move an AnyCalendar into a Self, or returning it as an error if the types do not match. Read more
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fn from_any_ref(any: &AnyCalendar) -> Option<&Japanese>

Convert an AnyCalendar reference into a Self reference. Read more
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fn date_to_any(&self, d: &<Japanese as Calendar>::DateInner) -> AnyDateInner

Convert a date for this calendar into an AnyDateInner Read more
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impl UnstableSealed for Japanese

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> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. 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> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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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
where T: 'static,

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impl<T> MaybeSendSync for T
where T: Send + Sync,