use super::{HttpDate, LAST_MODIFIED}; crate::http::header::common_header! { /// `Last-Modified` header, defined /// in [RFC 7232 ยง2.2](https://datatracker.ietf.org/doc/html/rfc7232#section-2.2) /// /// The `Last-Modified` header field in a response provides a timestamp /// indicating the date and time at which the origin server believes the /// selected representation was last modified, as determined at the /// conclusion of handling the request. /// /// # ABNF /// ```plain /// Expires = HTTP-date /// ``` /// /// # Example Values /// * `Sat, 29 Oct 1994 19:43:31 GMT` /// /// # Examples /// /// ``` /// use std::time::{SystemTime, Duration}; /// use actix_web::HttpResponse; /// use actix_web::http::header::LastModified; /// /// let mut builder = HttpResponse::Ok(); /// let modified = SystemTime::now() - Duration::from_secs(60 * 60 * 24); /// builder.insert_header( /// LastModified(modified.into()) /// ); /// ``` (LastModified, LAST_MODIFIED) => [HttpDate] test_parse_and_format { // Test case from RFC crate::http::header::common_header_test!(test1, vec![b"Sat, 29 Oct 1994 19:43:31 GMT"]); } }