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use super::{HttpDate, EXPIRES}; crate::header! { /// `Expires` header, defined in [RFC7234](http://tools.ietf.org/html/rfc7234#section-5.3) /// /// The `Expires` header field gives the date/time after which the /// response is considered stale. /// /// The presence of an Expires field does not imply that the original /// resource will change or cease to exist at, before, or after that /// time. /// /// # ABNF /// /// ```text /// Expires = HTTP-date /// ``` /// /// # Example values /// * `Thu, 01 Dec 1994 16:00:00 GMT` /// /// # Example /// /// ``` /// use std::time::{SystemTime, Duration}; /// use actix_web::HttpResponse; /// use actix_web::http::header::Expires; /// /// let mut builder = HttpResponse::Ok(); /// let expiration = SystemTime::now() + Duration::from_secs(60 * 60 * 24); /// builder.insert_header( /// Expires(expiration.into()) /// ); /// ``` (Expires, EXPIRES) => [HttpDate] test_expires { // Test case from RFC test_header!(test1, vec![b"Thu, 01 Dec 1994 16:00:00 GMT"]); } }