Struct AcceptLanguageHeader 

pub struct AcceptLanguageHeader {
    pub items: Vec<AcceptLanguageItem>,
}

Parsed Accept-Language header.

Example

use fastapi_core::AcceptLanguageHeader;

async fn handler(lang: AcceptLanguageHeader) -> impl IntoResponse {
    let locale = lang.negotiate(&["en", "fr", "de"]).unwrap_or("en");
    // Use locale for response
}

Fields

items: Vec<AcceptLanguageItem>

Languages sorted by quality (highest first).

Implementations

impl AcceptLanguageHeader

pub fn parse(s: &str) -> Self

Parse an Accept-Language header value.

pub fn accepts(&self, language: &str) -> bool

Check if a language is acceptable.

pub fn negotiate<'a>(&self, available: &[&'a str]) -> Option<&'a str>

Get the preferred language from a list of available languages.

Trait Implementations

impl Clone for AcceptLanguageHeader

fn clone(&self) -> AcceptLanguageHeader

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for AcceptLanguageHeader

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

Formats the value using the given formatter.

impl Default for AcceptLanguageHeader

fn default() -> AcceptLanguageHeader

Returns the “default value” for a type.

impl FromRequest for AcceptLanguageHeader

type Error = Infallible

Error type when extraction fails.

async fn from_request( _ctx: &RequestContext, req: &mut Request, ) -> Result<Self, Self::Error>

Extract a value from the request.