Enum Locale 

pub enum Locale {
    EnUs,
    EnGb,
    DeCh,
    FrCh,
    ItCh,
    DeDe,
    FrFr,
    ItIt,
    UkUa,
    SrLatn,
    SrCyrl,
}

A formatting locale — drives digit grouping, the decimal mark, currency placement, and the date order + month names. Map a device language tag (e.g. from a locale plugin) to one with Locale::from_tag.

Variants

EnUs

EnGb

DeCh

Swiss German — 1'234.50, 31.12.2026.

FrCh

Swiss French — 1'234.50, 31.12.2026.

ItCh

Swiss Italian — 1'234.50, 31.12.2026.

DeDe

FrFr

ItIt

UkUa

Ukrainian — 1 234,50 (no-break space grouping), 31.12.2026, січень.

SrLatn

Serbian, Latin script — 1.234,50, 31.12.2026., januar.

SrCyrl

Serbian, Cyrillic script — 1.234,50, 31.12.2026., јануар.

Implementations

impl Locale

pub fn from_tag(tag: &str) -> Option<Locale>

Best-effort map of a BCP-47 language tag (case-insensitive, e.g. "de-CH", "fr", "en-US") to a supported Locale. Region wins when known; otherwise the language’s most common locale is used. Returns None for unrecognized languages.

impl Locale

pub const fn week_start(self) -> Weekday

The first day of the week: Sunday for US English, Monday for every other supported locale.

Trait Implementations

impl Clone for Locale

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for Locale

impl Debug for Locale

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

Formats the value using the given formatter.

impl Default for Locale

fn default() -> Self

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for Locale

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Eq for Locale

impl PartialEq for Locale

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

Equality operator ==.

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

Inequality operator !=.

impl Serialize for Locale

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for Locale