Struct axum::middleware::AddExtension

source · 
pub struct AddExtension<S, T> { /* private fields */ }
Expand description

Middleware for adding some shareable value to request extensions.

See Sharing state with handlers for more details.

Trait Implementations§

source§

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

source§

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

Returns a copy of the value. Read more
1.0.0 · source§

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

Performs copy-assignment from source. Read more
source§

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

source§

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

Formats the value using the given formatter. Read more
source§

impl<ResBody, S, T> Service<Request<ResBody>> for AddExtension<S, T>
where S: Service<Request<ResBody>>, T: Clone + Send + Sync + 'static,

source§

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

Responses given by the service.
source§

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

Errors produced by the service.
source§

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

The future response value.
source§

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

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

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

Process the request and return the response asynchronously. Read more
source§

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

Auto Trait Implementations§

§

impl<S, T> Freeze for AddExtension<S, T>
where S: Freeze, T: Freeze,

§

impl<S, T> RefUnwindSafe for AddExtension<S, T>
where S: RefUnwindSafe, T: RefUnwindSafe,

§

impl<S, T> Send for AddExtension<S, T>
where S: Send, T: Send,

§

impl<S, T> Sync for AddExtension<S, T>
where S: Sync, T: Sync,

§

impl<S, T> Unpin for AddExtension<S, T>
where S: Unpin, T: Unpin,

§

impl<S, T> UnwindSafe for AddExtension<S, T>
where S: UnwindSafe, T: UnwindSafe,

Blanket Implementations§

source§

impl<T> Any for T
where T: 'static + ?Sized,

source§

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
source§

impl<T> Borrow<T> for T
where T: ?Sized,

source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
source§

impl<T> BorrowMut<T> for T
where T: ?Sized,

source§

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
source§

impl<T> CloneToUninit for T
where T: Clone,

source§

unsafe fn clone_to_uninit(&self, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. Read more
source§

impl<T> From<T> for T

source§

fn from(t: T) -> T

Returns the argument unchanged.

source§

impl<T> FromRef<T> for T
where T: Clone,

source§

fn from_ref(input: &T) -> T

Converts to this type from a reference to the input type.
source§

impl<T> Instrument for T

source§

fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
source§

fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
source§

impl<T, U> Into<U> for T
where U: From<T>,

source§

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

source§

impl<M, S, Target, Request> MakeService<Target, Request> for M
where M: Service<Target, Response = S>, S: Service<Request>,

source§

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

Responses given by the service
source§

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

Errors produced by the service
source§

type Service = S

The Service value created by this factory
source§

type MakeError = <M as Service<Target>>::Error

Errors produced while building a service.
source§

type Future = <M as Service<Target>>::Future

The future of the Service instance.
source§

fn poll_ready( &mut self, cx: &mut Context<'_>, ) -> Poll<Result<(), <M as MakeService<Target, Request>>::MakeError>>

Returns Poll::Ready when the factory is able to create more services. Read more
source§

fn make_service( &mut self, target: Target, ) -> <M as MakeService<Target, Request>>::Future

Create and return a new service value asynchronously.
source§

fn into_service(self) -> IntoService<Self, Request>
where Self: Sized,

Consume this MakeService and convert it into a Service. Read more
source§

fn as_service(&mut self) -> AsService<'_, Self, Request>
where Self: Sized,

Convert this MakeService into a Service without consuming the original MakeService. Read more
source§

impl<S, R> ServiceExt<R> for S
where S: Service<R>,

source§

fn into_make_service(self) -> IntoMakeService<S>

Convert this service into a MakeService, that is a Service whose response is another service. Read more
source§

impl<T, Request> ServiceExt<Request> for T
where T: Service<Request> + ?Sized,

source§

fn ready(&mut self) -> Ready<'_, Self, Request>
where Self: Sized,

Yields a mutable reference to the service when it is ready to accept a request.
source§

fn ready_and(&mut self) -> Ready<'_, Self, Request>
where Self: Sized,

👎Deprecated since 0.4.6: please use the ServiceExt::ready method instead
Yields a mutable reference to the service when it is ready to accept a request.
source§

fn ready_oneshot(self) -> ReadyOneshot<Self, Request>
where Self: Sized,

Yields the service when it is ready to accept a request.
source§

fn oneshot(self, req: Request) -> Oneshot<Self, Request>
where Self: Sized,

Consume this Service, calling with the providing request once it is ready.
source§

fn call_all<S>(self, reqs: S) -> CallAll<Self, S>
where Self: Sized, Self::Error: Into<Box<dyn Error + Sync + Send>>, S: Stream<Item = Request>,

Process all requests from the given Stream, and produce a Stream of their responses. Read more
source§

fn and_then<F>(self, f: F) -> AndThen<Self, F>
where Self: Sized, F: Clone,

Executes a new future after this service’s future resolves. This does not alter the behaviour of the poll_ready method. Read more
source§

fn map_response<F, Response>(self, f: F) -> MapResponse<Self, F>
where Self: Sized, F: FnOnce(Self::Response) -> Response + Clone,

Maps this service’s response value to a different value. This does not alter the behaviour of the poll_ready method. Read more
source§

fn map_err<F, Error>(self, f: F) -> MapErr<Self, F>
where Self: Sized, F: FnOnce(Self::Error) -> Error + Clone,

Maps this service’s error value to a different value. This does not alter the behaviour of the poll_ready method. Read more
source§

fn map_result<F, Response, Error>(self, f: F) -> MapResult<Self, F>
where Self: Sized, Error: From<Self::Error>, F: FnOnce(Result<Self::Response, Self::Error>) -> Result<Response, Error> + Clone,

Maps this service’s result type (Result<Self::Response, Self::Error>) to a different value, regardless of whether the future succeeds or fails. Read more
source§

fn map_request<F, NewRequest>(self, f: F) -> MapRequest<Self, F>
where Self: Sized, F: FnMut(NewRequest) -> Request,

Composes a function in front of the service. Read more
source§

fn then<F, Response, Error, Fut>(self, f: F) -> Then<Self, F>
where Self: Sized, Error: From<Self::Error>, F: FnOnce(Result<Self::Response, Self::Error>) -> Fut + Clone, Fut: Future<Output = Result<Response, Error>>,

Composes an asynchronous function after this service. Read more
source§

fn map_future<F, Fut, Response, Error>(self, f: F) -> MapFuture<Self, F>
where Self: Sized, F: FnMut(Self::Future) -> Fut, Error: From<Self::Error>, Fut: Future<Output = Result<Response, Error>>,

Composes a function that transforms futures produced by the service. Read more
source§

fn boxed(self) -> BoxService<Request, Self::Response, Self::Error>
where Self: Sized + Send + 'static, Self::Future: Send + 'static,

Convert the service into a Service + Send trait object. Read more
source§

fn boxed_clone(self) -> BoxCloneService<Request, Self::Response, Self::Error>
where Self: Sized + Clone + Send + 'static, Self::Future: Send + 'static,

Convert the service into a Service + Clone + Send trait object. Read more
source§

impl<T> ToOwned for T
where T: Clone,

source§

type Owned = T

The resulting type after obtaining ownership.
source§

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
source§

fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
source§

impl<T, U> TryFrom<U> for T
where U: Into<T>,

source§

type Error = Infallible

The type returned in the event of a conversion error.
source§

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
source§

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

source§

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
source§

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
source§

impl<V, T> VZip<V> for T
where V: MultiLane<T>,

source§

fn vzip(self) -> V

source§

impl<T> WithSubscriber for T

source§

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
source§

fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more