Struct IfModifiedSince 

pub struct IfModifiedSince(/* private fields */);

If-Modified-Since header, defined in RFC7232

The If-Modified-Since header field makes a GET or HEAD request method conditional on the selected representation’s modification date being more recent than the date provided in the field-value. Transfer of the selected representation’s data is avoided if that data has not changed.

ABNF

If-Modified-Since = HTTP-date

Example values

• Sat, 29 Oct 1994 19:43:31 GMT

Example

use headers::IfModifiedSince;
use std::time::{Duration, SystemTime};

let time = SystemTime::now() - Duration::from_secs(60 * 60 * 24);
let if_mod = IfModifiedSince::from(time);

Implementations

impl IfModifiedSince

pub fn is_modified(&self, last_modified: SystemTime) -> bool

Check if the supplied time means the resource has been modified.

Trait Implementations

impl Clone for IfModifiedSince

fn clone(&self) -> IfModifiedSince

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for IfModifiedSince

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

Formats the value using the given formatter.

impl From<IfModifiedSince> for SystemTime

fn from(date: IfModifiedSince) -> SystemTime

Converts to this type from the input type.

impl From<SystemTime> for IfModifiedSince

fn from(time: SystemTime) -> IfModifiedSince

Converts to this type from the input type.

impl Hash for IfModifiedSince

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl Header for IfModifiedSince

fn name() -> &'static HeaderName

The name of this header.

fn decode<'i, I>(values: &mut I) -> Result<Self, Error>

where I: Iterator<Item = &'i HeaderValue>,

Decode this type from an iterator of HeaderValues.

fn encode<E: Extend<HeaderValue>>(&self, values: &mut E)

Encode this type to a HeaderMap.

impl Ord for IfModifiedSince

fn cmp(&self, other: &IfModifiedSince) -> Ordering

This method returns an Ordering between self and other.

fn max(self, other: Self) -> Self

where Self: Sized,

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Self

where Self: Sized,

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Self

where Self: Sized,

Restrict a value to a certain interval.

impl PartialEq for IfModifiedSince

fn eq(&self, other: &IfModifiedSince) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl PartialOrd for IfModifiedSince

fn partial_cmp(&self, other: &IfModifiedSince) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

fn lt(&self, other: &Rhs) -> bool

Tests less than (for self and other) and is used by the < operator.

fn le(&self, other: &Rhs) -> bool

Tests less than or equal to (for self and other) and is used by the <= operator.

fn gt(&self, other: &Rhs) -> bool

Tests greater than (for self and other) and is used by the > operator.

fn ge(&self, other: &Rhs) -> bool

Tests greater than or equal to (for self and other) and is used by the >= operator.

impl Copy for IfModifiedSince

impl Eq for IfModifiedSince

impl StructuralPartialEq for IfModifiedSince

Layout

Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.

Size: 8 bytes