Struct icu_calendar::gregorian::Gregorian

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pub struct Gregorian;
Expand description

The Gregorian Calendar

The Gregorian calendar is a solar calendar used by most of the world, with twelve months.

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

§Era codes

This calendar supports two era codes: "bce", and "ce", corresponding to the BCE and CE eras

Trait Implementations§

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impl Calendar for Gregorian

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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 = GregorianDateInner

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>) -> GregorianDateInner

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 Gregorian

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fn clone(&self) -> Gregorian

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 Gregorian

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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 Gregorian

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fn default() -> Gregorian

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

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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 Gregorian

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
where T: 'static,

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impl<T> MaybeSendSync for T