Struct tower_http::set_header::SetRequestHeaderLayer

pub struct SetRequestHeaderLayer<M, T> { /* fields omitted */ }

This is supported on crate feature set-header only.

Layer that applies SetRequestHeader which adds a request header.

See SetRequestHeader for more details.

Implementations

impl<M, T> SetRequestHeaderLayer<M, T> where
    M: MakeHeaderValue<T>, 

pub fn overriding(header_name: HeaderName, make: M) -> Self

Create a new SetRequestHeaderLayer. If a previous value exists for the same header, it is removed and replaced with the new header value.

pub fn appending(header_name: HeaderName, make: M) -> Self

Create a new SetRequestHeaderLayer. The new header is always added, preserving any existing values. If previous values exist, the header will have multiple values.

pub fn if_not_present(header_name: HeaderName, make: M) -> Self

Create a new SetRequestHeaderLayer. If a previous value exists for the header, the new value is not inserted.

Trait Implementations

impl<M, T> Clone for SetRequestHeaderLayer<M, T> where
    M: Clone, 

fn clone(&self) -> Self

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<M, T> Debug for SetRequestHeaderLayer<M, T>

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

Formats the value using the given formatter.

impl<T, S, M> Layer<S> for SetRequestHeaderLayer<M, T> where
    M: MakeHeaderValue<T> + Clone, 

type Service = SetRequestHeader<S, M>

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.