Struct hyper::header::IfUnmodifiedSince [] [src]

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

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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Returns a copy of the value. Read more

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Performs copy-assignment from source. Read more

impl Debug for IfUnmodifiedSince
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Formats the value using the given formatter.

impl PartialEq for IfUnmodifiedSince
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This method tests for self and other values to be equal, and is used by ==. Read more

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This method tests for !=.

impl Deref for IfUnmodifiedSince
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The resulting type after dereferencing.

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Dereferences the value.

impl DerefMut for IfUnmodifiedSince
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Mutably dereferences the value.

impl Header for IfUnmodifiedSince
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Returns the name of the header field this belongs to. Read more

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Parse a header from a raw stream of bytes. Read more

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Format a header to outgoing stream. Read more

impl Display for IfUnmodifiedSince
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Formats the value using the given formatter. Read more