use accept_encoding::Encoding;
use http::header::{HeaderMap, HeaderValue, ACCEPT_ENCODING};
let mut headers = HeaderMap::new();
headers.insert(ACCEPT_ENCODING, HeaderValue::from_str("gzip, deflate, br")?);
let encoding = accept_encoding::parse(&headers)?;
assert_eq!(encoding, Some(Encoding::Gzip));
use accept_encoding::Encoding;
use http::header::{HeaderMap, HeaderValue, ACCEPT_ENCODING};
let mut headers = HeaderMap::new();
headers.insert(ACCEPT_ENCODING, HeaderValue::from_str("gzip;q=0.5, deflate;q=0.9, br;q=1.0")?);
let encoding = accept_encoding::parse(&headers)?;
assert_eq!(encoding, Some(Encoding::Brotli));