Struct icu::calendar::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: &<Gregorian as Calendar>::DateInner) -> YearInfo

The calendar-specific year represented by date

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

The calendar-specific month represented by date

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

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

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

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

Obtain an ISO date from this date
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fn months_in_year(&self, date: &<Gregorian 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: &<Gregorian 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: &<Gregorian 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 is_in_leap_year(&self, date: &<Gregorian 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 Gregorian

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type YearNamesV1Marker = GregorianYearNamesV1Marker

The data marker for loading year symbols for this calendar.
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type MonthNamesV1Marker = GregorianMonthNamesV1Marker

The data marker for loading month symbols for this calendar.
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type SkeletaV1Marker = GregorianDateNeoSkeletonPatternsV1Marker

The data marker for loading skeleton patterns for this calendar.
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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<(), Error>

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 From<Gregorian> for AnyCalendar

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fn from(value: Gregorian) -> AnyCalendar

Converts to this type from the input type.
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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 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<Gregorian, 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<&Gregorian>

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

Convert a date for this calendar into an AnyDateInner Read more
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impl Copy for Gregorian

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impl UnstableSealed 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> 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> GetField<T> for T
where T: Copy + UnstableSealed,

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fn get_field(&self) -> T

Returns the value of this trait’s field T.
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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,