Struct hyper::header::IfUnmodifiedSince
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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
use hyper::header::{Headers, IfUnmodifiedSince}; use std::time::{SystemTime, Duration}; let mut headers = Headers::new(); let modified = SystemTime::now() - Duration::from_secs(60 * 60 * 24); headers.set(IfUnmodifiedSince(modified.into()));
Trait Implementations
impl Clone for IfUnmodifiedSince
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fn clone(&self) -> IfUnmodifiedSince
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Returns a copy of the value. Read more
fn clone_from(&mut self, source: &Self)
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Performs copy-assignment from source
. Read more
impl Debug for IfUnmodifiedSince
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impl PartialEq for IfUnmodifiedSince
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fn eq(&self, __arg_0: &IfUnmodifiedSince) -> bool
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This method tests for self
and other
values to be equal, and is used by ==
. Read more
fn ne(&self, __arg_0: &IfUnmodifiedSince) -> bool
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This method tests for !=
.
impl Deref for IfUnmodifiedSince
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type Target = HttpDate
The resulting type after dereferencing.
fn deref(&self) -> &HttpDate
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Dereferences the value.
impl DerefMut for IfUnmodifiedSince
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impl Header for IfUnmodifiedSince
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fn header_name() -> &'static str
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Returns the name of the header field this belongs to. Read more
fn parse_header(raw: &Raw) -> Result<Self>
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Parse a header from a raw stream of bytes. Read more
fn fmt_header(&self, f: &mut Formatter) -> Result
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Format a header to outgoing stream. Read more