Struct icu::calendar::cal::IslamicObservational

pub struct IslamicObservational { /* private fields */ }

Islamic Observational Calendar (Default)

Era codes

This calendar supports a single era code, Anno Mundi, with code "ah"

Month codes

This calendar is a pure lunar calendar with no leap months. It uses month codes "M01" - "M12".

Implementations

impl IslamicObservational

pub const fn new() -> IslamicObservational

Creates a new IslamicObservational with some compiled data containing precomputed calendrical calculations.

✨ Enabled with the compiled_data Cargo feature.

📚 Help choosing a constructor

pub fn try_new_with_any_provider( provider: &(impl AnyProvider + ?Sized), ) -> Result<IslamicObservational, DataError>

A version of [Self :: new] that uses custom data provided by an AnyProvider.

📚 Help choosing a constructor

pub fn try_new_with_buffer_provider( provider: &(impl BufferProvider + ?Sized), ) -> Result<IslamicObservational, DataError>

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

✨ Enabled with the serde feature.

📚 Help choosing a constructor

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

where D: DataProvider<IslamicObservationalCacheV1Marker> + ?Sized,

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.

pub fn new_always_calculating() -> IslamicObservational

Construct a new IslamicObservational without any precomputed calendrical calculations.

Trait Implementations

impl Calendar for IslamicObservational

type DateInner = IslamicDateInner

The internal type used to represent dates

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

Construct a date from era/month codes and fields

fn date_from_iso( &self, iso: Date<Iso>, ) -> <IslamicObservational as Calendar>::DateInner

Construct the date from an ISO date

fn date_to_iso( &self, date: &<IslamicObservational as Calendar>::DateInner, ) -> Date<Iso>

Obtain an ISO date from this date

fn months_in_year( &self, date: &<IslamicObservational as Calendar>::DateInner, ) -> u8

Count the number of months in a given year, specified by providing a date from that year

fn days_in_year( &self, date: &<IslamicObservational as Calendar>::DateInner, ) -> u16

Count the number of days in a given year, specified by providing a date from that year

fn days_in_month( &self, date: &<IslamicObservational as Calendar>::DateInner, ) -> u8

Count the number of days in a given month, specified by providing a date from that year/month

fn day_of_week( &self, date: &<IslamicObservational as Calendar>::DateInner, ) -> IsoWeekday

Calculate the day of the week and return it

fn debug_name(&self) -> &'static str

Obtain a name for the calendar for debug printing

fn year(&self, date: &<IslamicObservational as Calendar>::DateInner) -> YearInfo

Information about the year

fn is_in_leap_year( &self, date: &<IslamicObservational as Calendar>::DateInner, ) -> bool

Calculate if a date is in a leap year

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

The calendar-specific month represented by date

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

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

fn day_of_year_info( &self, date: &<IslamicObservational as Calendar>::DateInner, ) -> DayOfYearInfo

Information of the day of the year

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

The AnyCalendarKind corresponding to this calendar, if one exists. Implementors outside of icu::calendar should return None

impl CldrCalendar for IslamicObservational

type YearNamesV1Marker = IslamicYearNamesV1Marker

The data marker for loading year symbols for this calendar.

type MonthNamesV1Marker = IslamicMonthNamesV1Marker

The data marker for loading month symbols for this calendar.

type SkeletaV1Marker = IslamicDateNeoSkeletonPatternsV1Marker

The data marker for loading skeleton patterns for this calendar.

impl Clone for IslamicObservational

fn clone(&self) -> IslamicObservational

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for IslamicObservational

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

Formats the value using the given formatter.

impl Default for IslamicObservational

fn default() -> IslamicObservational

Returns the “default value” for a type.

impl From<IslamicObservational> for AnyCalendar

fn from(value: IslamicObservational) -> AnyCalendar

Converts to this type from the input type.

impl IntoAnyCalendar for IslamicObservational

fn to_any(self) -> AnyCalendar

Convert this calendar into an AnyCalendar, moving it

fn kind(&self) -> AnyCalendarKind

The AnyCalendarKind enum variant associated with this calendar

fn to_any_cloned(&self) -> AnyCalendar

Convert this calendar into an AnyCalendar, cloning it

fn from_any(any: AnyCalendar) -> Result<IslamicObservational, AnyCalendar>

Move an AnyCalendar into a Self, or returning it as an error if the types do not match.

fn from_any_ref(any: &AnyCalendar) -> Option<&IslamicObservational>

Convert an AnyCalendar reference into a Self reference.

fn date_to_any( &self, d: &<IslamicObservational as Calendar>::DateInner, ) -> AnyDateInner

Convert a date for this calendar into an AnyDateInner

impl UnstableSealed for IslamicObservational