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use unicase::Ascii;
header! {
/// `Vary` header, defined in [RFC7231](https://tools.ietf.org/html/rfc7231#section-7.1.4)
///
/// The "Vary" header field in a response describes what parts of a
/// request message, aside from the method, Host header field, and
/// request target, might influence the origin server's process for
/// selecting and representing this response. The value consists of
/// either a single asterisk ("*") or a list of header field names
/// (case-insensitive).
///
/// # ABNF
///
/// ```text
/// Vary = "*" / 1#field-name
/// ```
///
/// # Example values
///
/// * `accept-encoding, accept-language`
///
/// # Example
///
/// ```
/// # extern crate http;
/// use hyperx::header::{TypedHeaders, Vary};
///
/// let mut headers = http::HeaderMap::new();
/// headers.encode(&Vary::Any);
/// ```
///
/// # Example
///
/// ```
/// # extern crate http;
/// # extern crate hyperx;
/// # extern crate unicase;
/// # fn main() {
/// // extern crate unicase;
///
/// use hyperx::header::{TypedHeaders, Vary};
/// use unicase::Ascii;
///
/// let mut headers = http::HeaderMap::new();
/// headers.encode(
/// &Vary::Items(vec![
/// Ascii::new("accept-encoding".to_owned()),
/// Ascii::new("accept-language".to_owned()),
/// ])
/// );
/// # }
/// ```
(Vary, "Vary") => {Any / (Ascii<String>)+}
test_vary {
test_header!(test1, vec![b"accept-encoding, accept-language"]);
#[test]
fn test2() {
let mut vary: ::Result<Vary>;
let r: Raw = "*".into();
vary = Header::parse_header(&r);
assert_eq!(vary.ok(), Some(Vary::Any));
let r: Raw = "etag,cookie,allow".into();
vary = Header::parse_header(&r);
assert_eq!(
vary.ok(),
Some(Vary::Items(vec![
"eTag".parse().unwrap(),
"cookIE".parse().unwrap(),
"AlLOw".parse().unwrap(),
])));
}
}
}
standard_header!(Vary, VARY);