Struct Headers

pub struct Headers { /* private fields */ }

Implementations

impl Headers

pub fn new() -> Self

pub fn len(&self) -> usize

pub fn is_empty(&self) -> bool

pub fn get(&self, key: impl AsHeaderName) -> Option<&HeaderValue>

pub fn get_all(&self, key: impl AsHeaderName) -> GetAll<'_>

pub fn get_mut(&mut self, key: impl AsHeaderName) -> Option<&mut HeaderValue>

pub fn contains_key(&self, key: impl AsHeaderName) -> bool

pub fn insert( &mut self, key: HeaderName, value: impl Into<HeaderValue>, ) -> Option<HeaderValue>

pub fn append(&mut self, key: HeaderName, value: impl Into<HeaderValue>) -> bool

pub fn remove(&mut self, key: impl AsHeaderName) -> Option<HeaderValue>

pub fn clear(&mut self)

pub fn keys(&self) -> Keys<'_>

pub fn iter(&self) -> Iter<'_>

Trait Implementations

impl Clone for Headers

fn clone(&self) -> Headers

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for Headers

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

Formats the value using the given formatter.

impl Default for Headers

fn default() -> Headers

Returns the “default value” for a type.

impl<'a> Extend<(&'a HeaderName, &'a HeaderValue)> for Headers

fn extend<T: IntoIterator<Item = (&'a HeaderName, &'a HeaderValue)>>( &mut self, iter: T, )

Extends a collection with the contents of an iterator.

fn extend_one(&mut self, item: A)

🔬This is a nightly-only experimental API. (extend_one)

Extends a collection with exactly one element.

fn extend_reserve(&mut self, additional: usize)

🔬This is a nightly-only experimental API. (extend_one)

Reserves capacity in a collection for the given number of additional elements.

impl<'a> Extend<(&'a HeaderName, Iter<'a, HeaderValue>)> for Headers

fn extend<T: IntoIterator<Item = (&'a HeaderName, Iter<'a, HeaderValue>)>>( &mut self, iter: T, )

Extends a collection with the contents of an iterator.

fn extend_one(&mut self, item: A)

🔬This is a nightly-only experimental API. (extend_one)

Extends a collection with exactly one element.

fn extend_reserve(&mut self, additional: usize)

🔬This is a nightly-only experimental API. (extend_one)

Reserves capacity in a collection for the given number of additional elements.

impl Extend<(HeaderName, HeaderValue)> for Headers

fn extend<T: IntoIterator<Item = (HeaderName, HeaderValue)>>(&mut self, iter: T)

Extends a collection with the contents of an iterator.

fn extend_one(&mut self, item: A)

🔬This is a nightly-only experimental API. (extend_one)

Extends a collection with exactly one element.

fn extend_reserve(&mut self, additional: usize)

🔬This is a nightly-only experimental API. (extend_one)

Reserves capacity in a collection for the given number of additional elements.

impl Extend<(HeaderName, IntoIter<HeaderValue>)> for Headers

fn extend<T: IntoIterator<Item = (HeaderName, IntoIter<HeaderValue>)>>( &mut self, iter: T, )

Extends a collection with the contents of an iterator.

fn extend_one(&mut self, item: A)

🔬This is a nightly-only experimental API. (extend_one)

Extends a collection with exactly one element.

fn extend_reserve(&mut self, additional: usize)

🔬This is a nightly-only experimental API. (extend_one)

Reserves capacity in a collection for the given number of additional elements.

impl<'a> IntoIterator for &'a Headers

type Item = (&'a HeaderName, Iter<'a, HeaderValue>)

The type of the elements being iterated over.

type IntoIter = Iter<'a>

Which kind of iterator are we turning this into?

fn into_iter(self) -> Self::IntoIter

Creates an iterator from a value.

impl IntoIterator for Headers

type Item = (HeaderName, IntoIter<HeaderValue>)

The type of the elements being iterated over.

type IntoIter = IntoIter

Which kind of iterator are we turning this into?

fn into_iter(self) -> Self::IntoIter

Creates an iterator from a value.