hyper 0.3.11

A modern HTTP library.
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use unicase::UniCase;

header! {
    #[doc="`Vary` header, defined in [RFC7231](https://tools.ietf.org/html/rfc7231#section-7.1.4)"]
    #[doc=""]
    #[doc="The \"Vary\" header field in a response describes what parts of a"]
    #[doc="request message, aside from the method, Host header field, and"]
    #[doc="request target, might influence the origin server's process for"]
    #[doc="selecting and representing this response.  The value consists of"]
    #[doc="either a single asterisk (\"*\") or a list of header field names"]
    #[doc="(case-insensitive)."]
    #[doc=""]
    #[doc="# ABNF"]
    #[doc="```plain"]
    #[doc="Vary = \"*\" / 1#field-name"]
    #[doc="```"]
    (Vary, "Vary") => {Any / (UniCase<String>)+}
}

#[cfg(test)]
mod tests {
    use super::Vary;
    use header::Header;

    #[test]
    fn test_vary() {
        let mut vary: Option<Vary>;

        vary = Header::parse_header([b"*".to_vec()].as_ref());
        assert_eq!(vary, Some(Vary::Any));

        vary = Header::parse_header([b"etag,cookie,allow".to_vec()].as_ref());
        assert_eq!(vary, Some(Vary::Items(vec!["eTag".parse().unwrap(),
                                                "cookIE".parse().unwrap(),
                                                "AlLOw".parse().unwrap(),])));
    }
}