icu::calendar

Struct Iso

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pub struct Iso;
Expand description

The ISO-8601 Calendar

The ISO-8601 Calendar is a standardized solar calendar with twelve months. It is identical to the Gregorian calendar, except it uses negative years for years before 1 CE, and may have differing formatting data for a given locale.

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

§Era codes

This calendar uses a single era: default

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impl Iso

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pub fn new() -> Iso

Construct a new ISO Calendar

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impl Calendar for Iso

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fn date_from_codes( &self, era: Option<&str>, year: i32, month_code: MonthCode, day: u8, ) -> Result<<Iso as Calendar>::DateInner, DateError>

Construct a date from era/month codes and fields

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

The calendar-specific month represented by date

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

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

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type DateInner = IsoDateInner

The internal type used to represent dates
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fn date_from_iso(&self, iso: Date<Iso>) -> IsoDateInner

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

Obtain an ISO date from this date
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fn months_in_year(&self, date: &<Iso 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: &<Iso 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: &<Iso 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 day_of_week(&self, date: &<Iso as Calendar>::DateInner) -> Weekday

Calculate the day of the week and return it
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fn year(&self, date: &<Iso as Calendar>::DateInner) -> YearInfo

Information about the year
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fn is_in_leap_year(&self, date: &<Iso as Calendar>::DateInner) -> bool

Calculate if a date is in a leap year
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fn day_of_year_info(&self, date: &<Iso as Calendar>::DateInner) -> DayOfYearInfo

Information of the day of the 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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impl Clone for Iso

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fn clone(&self) -> Iso

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 Iso

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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 Iso

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fn default() -> Iso

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

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fn from(value: Iso) -> AnyCalendar

Converts to this type from the input type.
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impl Hash for Iso

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fn hash<__H>(&self, state: &mut __H)
where __H: Hasher,

Feeds this value into the given Hasher. Read more
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fn hash_slice<H>(data: &[Self], state: &mut H)
where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl IntoAnyCalendar for Iso

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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 from_any(any: AnyCalendar) -> Result<Iso, 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<&Iso>

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

Convert a date for this calendar into an AnyDateInner Read more
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impl Ord for Iso

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fn cmp(&self, other: &Iso) -> Ordering

This method returns an Ordering between self and other. Read more
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fn max(self, other: Self) -> Self
where Self: Sized,

Compares and returns the maximum of two values. Read more
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fn min(self, other: Self) -> Self
where Self: Sized,

Compares and returns the minimum of two values. Read more
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fn clamp(self, min: Self, max: Self) -> Self
where Self: Sized,

Restrict a value to a certain interval. Read more
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impl PartialEq for Iso

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fn eq(&self, other: &Iso) -> bool

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl PartialOrd for Iso

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fn partial_cmp(&self, other: &Iso) -> Option<Ordering>

This method returns an ordering between self and other values if one exists. Read more
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fn lt(&self, other: &Rhs) -> bool

Tests less than (for self and other) and is used by the < operator. Read more
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fn le(&self, other: &Rhs) -> bool

Tests less than or equal to (for self and other) and is used by the <= operator. Read more
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fn gt(&self, other: &Rhs) -> bool

Tests greater than (for self and other) and is used by the > operator. Read more
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fn ge(&self, other: &Rhs) -> bool

Tests greater than or equal to (for self and other) and is used by the >= operator. Read more
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impl Copy for Iso

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impl Eq for Iso

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impl StructuralPartialEq for Iso

Auto Trait Implementations§

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impl Freeze for Iso

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impl RefUnwindSafe for Iso

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impl Send for Iso

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impl Sync for Iso

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impl Unpin for Iso

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impl UnwindSafe for Iso

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 u8)

🔬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,