Enum icu_datetime::fieldset::dynamic::CalendarPeriodFieldSet

#[non_exhaustive]
pub enum CalendarPeriodFieldSet {
    M(M),
    YM(YM),
    Y(Y),
}

An enumeration over all possible calendar period field sets.

📏 Note: This enum can be used as the field set parameter of DateTimeFormatter, but doing so may link more formatting data compared to the individual field set structs.

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.

M(M)

A standalone month, as in “January”.

YM(YM)

A month and year, as in “January 2000”.

Y(Y)

A year, as in “2000”.

Implementations

impl CalendarPeriodFieldSet

pub const ALL_DATA_MARKER_ATTRIBUTES: &'static [&'static DataMarkerAttributes] = _

All attributes associated with this enum.

Encoding Details

The string is based roughly on the UTS 35 symbol table with the following exceptions:

1. Lowercase letters are chosen where there is no ambiguity: E becomes e
2. Capitals are replaced with their lowercase and a number 0: M becomes m0
3. A single symbol is included for each component: length doesn’t matter
4. Time fields are encoded with their hour field only: j, h, or h0

Examples

use icu::datetime::fieldset::dynamic::CalendarPeriodFieldSet as FS;
use icu_provider::DataMarkerAttributes;

assert!(FS::ALL_DATA_MARKER_ATTRIBUTES.contains(
    &DataMarkerAttributes::from_str_or_panic("m0")
));

Trait Implementations

impl Clone for CalendarPeriodFieldSet

fn clone(&self) -> CalendarPeriodFieldSet

Returns a copy of the value.

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

Performs copy-assignment from source.

impl DateDataMarkers for CalendarPeriodFieldSet

type Skel = FullDataCalMarkers

Cross-calendar data markers for date skeleta.

type Year = FullDataCalMarkers

Cross-calendar data markers for year names.

type Month = FullDataCalMarkers

Cross-calendar data markers for month names.

type WeekdayNamesV1Marker = NeverMarker<LinearNamesV1<'static>>

Marker for loading weekday names.

impl DateInputMarkers for CalendarPeriodFieldSet

type YearInput = YearInfo

Marker for resolving the year input field.

type MonthInput = MonthInfo

Marker for resolving the month input field.

type DayOfMonthInput = ()

Marker for resolving the day-of-month input field.

type DayOfWeekInput = ()

Marker for resolving the day-of-week input field.

type DayOfYearInput = ()

Marker for resolving the day-of-year input field.

impl DateTimeMarkers for CalendarPeriodFieldSet

type D = CalendarPeriodFieldSet

Associated types for date formatting.

type T = NeoNeverMarker

Associated types for time formatting.

type Z = NeoNeverMarker

Associated types for time zone formatting.

type GluePatternV1Marker = NeverMarker<GluePatternV1<'static>>

Marker for loading the date/time glue pattern.

impl Debug for CalendarPeriodFieldSet

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

Formats the value using the given formatter.

impl GetField<CompositeFieldSet> for CalendarPeriodFieldSet

fn get_field(&self) -> CompositeFieldSet

Returns the value of this trait’s field T.

impl PartialEq for CalendarPeriodFieldSet

fn eq(&self, other: &CalendarPeriodFieldSet) -> 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<C: CldrCalendar> TypedDateDataMarkers<C> for CalendarPeriodFieldSet

type DateSkeletonPatternsV1Marker = <C as CldrCalendar>::SkeletaV1Marker

Marker for loading date skeleton patterns.

type YearNamesV1Marker = <C as CldrCalendar>::YearNamesV1Marker

Marker for loading year names.

type MonthNamesV1Marker = <C as CldrCalendar>::MonthNamesV1Marker

Marker for loading month names.

type WeekdayNamesV1Marker = NeverMarker<LinearNamesV1<'static>>

Marker for loading weekday names.

impl Copy for CalendarPeriodFieldSet

impl Eq for CalendarPeriodFieldSet

impl StructuralPartialEq for CalendarPeriodFieldSet

impl UnstableSealed for CalendarPeriodFieldSet