Struct AddExtension

pub struct AddExtension<S, T> { /* private fields */ }

Available on crate feature add-extension only.

Middleware for adding some shareable value to request extensions.

See the module docs for more details.

Implementations

impl<S, T> AddExtension<S, T>

pub fn new(inner: S, value: T) -> Self

Create a new AddExtension.

pub fn get_ref(&self) -> &S

Gets a reference to the underlying service.

pub fn get_mut(&mut self) -> &mut S

Gets a mutable reference to the underlying service.

pub fn into_inner(self) -> S

Consumes self, returning the underlying service.

pub fn layer(value: T) -> AddExtensionLayer<T>

Returns a new Layer that wraps services with a AddExtension middleware.

Trait Implementations

impl<S: Clone, T: Clone> Clone for AddExtension<S, T>

fn clone(&self) -> AddExtension<S, T>

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<S: Debug, T: Debug> Debug for AddExtension<S, T>

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

Formats the value using the given formatter.

impl<ResBody, ReqBody, S, T> Service<Request<ReqBody>> for AddExtension<S, T>

where S: Service<Request<ReqBody>, Response = Response<ResBody>>, T: Clone + Send + Sync + 'static,

type Response = <S as Service<Request<ReqBody>>>::Response

Responses given by the service.

type Error = <S as Service<Request<ReqBody>>>::Error

Errors produced by the service.

type Future = <S as Service<Request<ReqBody>>>::Future

The future response value.

fn poll_ready(&mut self, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>>

Returns Poll::Ready(Ok(())) when the service is able to process requests.

fn call(&mut self, req: Request<ReqBody>) -> Self::Future

Process the request and return the response asynchronously.

impl<S: Copy, T: Copy> Copy for AddExtension<S, T>