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use language_tags::LanguageTag;
/// `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 headers;
/// #[macro_use] extern crate language_tags;
/// use headers::ContentLanguage;
/// #
/// # fn main() {
/// let con_lang = ContentLanguage::new([langtag!(en)])
/// # }
/// ```
#[derive(Clone, Debug, PartialEq, Header)]
#[header(csv)]
pub struct ContentLanguage(Vec<LanguageTag>);
impl ContentLanguage {
pub fn new<I>(iter: I) -> Self
where
I: IntoIterator<Item=LanguageTag>,
{
let langs = iter
.into_iter()
.collect();
ContentLanguage(langs)
}
}