Enum YearInfo

#[non_exhaustive]
pub enum YearInfo {
    Era(EraYear),
    Cyclic(CyclicYear),
}

The type of year: Calendars like Chinese don’t have an era and instead format with cyclic years.

Variants (Non-exhaustive)

Non-exhaustive enums could have additional variants added in future. Therefore, when matching against variants of non-exhaustive enums, an extra wildcard arm must be added to account for any future variants.

Era(EraYear)

An era and a year in that era

Cyclic(CyclicYear)

A cyclic year, and the related ISO year

Knowing the cyclic year is typically not enough to pinpoint a date, however cyclic calendars don’t typically use eras, so disambiguation can be done by saying things like “Year 甲辰 (2024)”

Implementations

impl YearInfo

pub fn era_year_or_related_iso(self) -> i32

Get some year number that can be displayed

Gets the era year for era calendars, and the related ISO year for cyclic calendars.

pub fn era(self) -> Option<EraYear>

Get the era year information, if available

pub fn cyclic(self) -> Option<CyclicYear>

Get the cyclic year informat, if available

Trait Implementations

impl Clone for YearInfo

fn clone(&self) -> YearInfo

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for YearInfo

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

Formats the value using the given formatter.

impl From<CyclicYear> for YearInfo

fn from(value: CyclicYear) -> YearInfo

Converts to this type from the input type.

impl From<EraYear> for YearInfo

fn from(value: EraYear) -> YearInfo

Converts to this type from the input type.

impl<C, A> GetField<YearInfo> for Date<A>

where C: Calendar, A: AsCalendar<Calendar = C>,

fn get_field(&self) -> YearInfo

Returns the value of this trait’s field T.

impl<C, A> GetField<YearInfo> for DateTime<A>

where C: Calendar, A: AsCalendar<Calendar = C>,

fn get_field(&self) -> YearInfo

Returns the value of this trait’s field T.

impl<C, A, Z> GetField<YearInfo> for ZonedDateTime<A, Z>

where C: Calendar, A: AsCalendar<Calendar = C>,

fn get_field(&self) -> YearInfo

Returns the value of this trait’s field T.

impl IntoOption<YearInfo> for YearInfo

fn into_option(self) -> Option<YearInfo>

Return self as an Option<T>

impl PartialEq for YearInfo

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

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

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

impl Copy for YearInfo

impl StructuralPartialEq for YearInfo