Struct Header 

pub struct Header { /* private fields */ }

Available on crate feature client only.

Layer for inserting a header to requests.

Implementations

impl Header

pub fn new(key: HeaderName, val: HeaderValue) -> Self

Create a new Header layer for inserting a header to requests.

This function takes HeaderName and HeaderValue, users should create it by themselves.

For using string types directly, see Header::try_new.

pub fn try_new<K, V>(key: K, val: V) -> Result<Self>

where K: TryInto<HeaderName>, K::Error: Error + Send + Sync + 'static, V: TryInto<HeaderValue>, V::Error: Error + Send + Sync + 'static,

Create a new Header layer for inserting a header to requests.

This function takes any types that can be converted into HeaderName or HeaderValue. If the values are invalid HeaderName or HeaderValue, an ClientError with ErrorKind::Builder will be returned.

Trait Implementations

impl Clone for Header

fn clone(&self) -> Header

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Header

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

Formats the value using the given formatter.

impl<S> Layer<S> for Header

type Service = HeaderService<S>

The wrapped service

fn layer(self, inner: S) -> Self::Service

Wrap the given service with the middleware, returning a new service that has been decorated with the middleware. Consumes self.