use header::HttpDate;
header! {
#[doc="`Expires` header, defined in [RFC7234](http://tools.ietf.org/html/rfc7234#section-5.3)"]
#[doc=""]
#[doc="The `Expires` header field gives the date/time after which the"]
#[doc="response is considered stale."]
#[doc=""]
#[doc="The presence of an Expires field does not imply that the original"]
#[doc="resource will change or cease to exist at, before, or after that"]
#[doc="time."]
#[doc=""]
#[doc="# ABNF"]
#[doc="```plain"]
#[doc="Expires = HTTP-date"]
#[doc="```"]
(Expires, "Expires") => [HttpDate]
}
bench_header!(imf_fixdate, Expires, { vec![b"Sun, 07 Nov 1994 08:48:37 GMT".to_vec()] });
bench_header!(rfc_850, Expires, { vec![b"Sunday, 06-Nov-94 08:49:37 GMT".to_vec()] });
bench_header!(asctime, Expires, { vec![b"Sun Nov 6 08:49:37 1994".to_vec()] });