Struct reqwest::header::IfUnmodifiedSince

pub struct IfUnmodifiedSince(pub HttpDate);

If-Unmodified-Since header, defined in RFC7232

The If-Unmodified-Since header field makes the request method conditional on the selected representation's last modification date being earlier than or equal to the date provided in the field-value. This field accomplishes the same purpose as If-Match for cases where the user agent does not have an entity-tag for the representation.

ABNF

If-Unmodified-Since = HTTP-date

Example values

• Sat, 29 Oct 1994 19:43:31 GMT

Example

// extern crate time;
 
use hyper::header::{Headers, IfUnmodifiedSince, HttpDate};
use time::{self, Duration};
 
let mut headers = Headers::new();
headers.set(IfUnmodifiedSince(HttpDate(time::now() - Duration::days(1))));

Trait Implementations

impl Display for IfUnmodifiedSince

fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

Formats the value using the given formatter.

impl PartialEq<IfUnmodifiedSince> for IfUnmodifiedSince

fn eq(&self, __arg_0: &IfUnmodifiedSince) -> bool

This method tests for self and other values to be equal, and is used by ==.

fn ne(&self, __arg_0: &IfUnmodifiedSince) -> bool

This method tests for !=.

impl Deref for IfUnmodifiedSince

type Target = HttpDate

The resulting type after dereferencing.

fn deref(&self) -> &HttpDate

Dereferences the value.

impl DerefMut for IfUnmodifiedSince

fn deref_mut(&mut self) -> &mut HttpDate

Mutably dereferences the value.

impl Debug for IfUnmodifiedSince

fn fmt(&self, __arg_0: &mut Formatter) -> Result<(), Error>

Formats the value using the given formatter.

impl Clone for IfUnmodifiedSince

fn clone(&self) -> IfUnmodifiedSince

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl HeaderFormat for IfUnmodifiedSince

fn fmt_header(&self, f: &mut Formatter) -> Result<(), Error>

Format a header to be output into a TcpStream.

impl Header for IfUnmodifiedSince

fn header_name() -> &'static str

Returns the name of the header field this belongs to.

fn parse_header(raw: &[Vec<u8>]) -> Result<IfUnmodifiedSince, Error>

Parse a header from a raw stream of bytes.