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use language_tags::LanguageTag;
use header::QualityItem;
header! {
/// `Content-Language` header, defined in
/// [RFC7231](https://tools.ietf.org/html/rfc7231#section-3.1.3.2)
///
/// The `Content-Language` header field describes the natural language(s)
/// of the intended audience for the representation. Note that this
/// might not be equivalent to all the languages used within the
/// representation.
///
/// # ABNF
///
/// ```text
/// Content-Language = 1#language-tag
/// ```
///
/// # Example values
///
/// * `da`
/// * `mi, en`
///
/// # Examples
///
/// ```
/// # extern crate http;
/// # extern crate hyperx;
/// extern crate language_tags;
/// # use hyperx::header::{ContentLanguage, qitem, TypedHeaders};
/// #
/// # fn main() {
/// let mut headers = http::HeaderMap::new();
/// headers.encode(
/// &ContentLanguage(vec![
/// qitem("en".parse().unwrap()),
/// ])
/// );
/// # }
/// ```
///
/// ```
/// # extern crate http;
/// # extern crate hyperx;
/// extern crate language_tags;
/// # use hyperx::header::{ContentLanguage, qitem, TypedHeaders};
/// # fn main() {
///
/// let mut headers = http::HeaderMap::new();
/// headers.encode(
/// &ContentLanguage(vec![
/// qitem("da".parse().unwrap()),
/// qitem("en-GB".parse().unwrap()),
/// ])
/// );
/// # }
/// ```
(ContentLanguage, "Content-Language") => (QualityItem<LanguageTag>)+
test_content_language {
test_header!(test1, vec![b"da"]);
test_header!(test2, vec![b"mi, en"]);
}
}
standard_header!(ContentLanguage, CONTENT_LANGUAGE);