Struct icu_calendar::roc::Roc

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pub struct Roc;
Expand description

The Republic of China (ROC) Calendar

The Republic of China calendar is a solar calendar used in Taiwan and Penghu, as well as by overseas diaspora from those locations. Months and days are identical to the Gregorian calendar, while years are counted with 1912, the year of the establishment of the Republic of China, as year 1 of the ROC/Minguo/民国/民國 era.

The Republic of China calendar should not be confused with the Chinese traditional lunar calendar (see Chinese).

§Era codes

This calendar supports two era codes: "roc", corresponding to years in the 民國 (minguo) era (CE year 1912 and after), and "roc-inverse", corresponding to years before the 民國 (minguo) era (CE year 1911 and before).

§Month codes

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

Trait Implementations§

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impl Calendar for Roc

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

The AnyCalendarKind corresponding to this calendar

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type DateInner = RocDateInner

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, Error>

Construct a date from era/month codes and fields
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fn date_from_iso(&self, iso: Date<Iso>) -> Self::DateInner

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 debug_name(&self) -> &'static str

Obtain a name for the calendar for debug printing
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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 day_of_week(&self, date: &Self::DateInner) -> IsoWeekday

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

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fn clone(&self) -> Roc

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 Roc

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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 Roc

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fn default() -> Roc

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

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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 Copy for Roc

Auto Trait Implementations§

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impl Freeze for Roc

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impl RefUnwindSafe for Roc

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impl Send for Roc

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impl Sync for Roc

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impl Unpin for Roc

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impl UnwindSafe for Roc

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
where T: 'static,

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impl<T> MaybeSendSync for T