Enum axum_extra::either::Either

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pub enum Either<E1, E2> {
    E1(E1),
    E2(E2),
}
Expand description

Combines two extractors or responses into a single type.

See the module docs for examples.

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E1(E1)

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E2(E2)

Trait Implementations§

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impl<E1: Clone, E2: Clone> Clone for Either<E1, E2>

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fn clone(&self) -> Either<E1, E2>

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl<E1: Debug, E2: Debug> Debug for Either<E1, E2>

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

Formats the value using the given formatter. Read more
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impl<S, E1, E2> FromRequestParts<S> for Either<E1, E2>
where E1: FromRequestParts<S>, E2: FromRequestParts<S>, S: Send + Sync,

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type Rejection = <E2 as FromRequestParts<S>>::Rejection

If the extractor fails it’ll use this “rejection” type. A rejection is a kind of error that can be converted into a response.
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fn from_request_parts<'life0, 'life1, 'async_trait>( parts: &'life0 mut Parts, state: &'life1 S, ) -> Pin<Box<dyn Future<Output = Result<Self, Self::Rejection>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Perform the extraction.
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impl<S, L, R, Lt, Rt> HandlerCallWithExtractors<Either<Lt, Rt>, S> for Or<L, R, Lt, Rt, S>
where L: HandlerCallWithExtractors<Lt, S> + Send + 'static, R: HandlerCallWithExtractors<Rt, S> + Send + 'static, Rt: Send + 'static, Lt: Send + 'static,

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type Future = Either<Map<<L as HandlerCallWithExtractors<Lt, S>>::Future, fn(_: <<L as HandlerCallWithExtractors<Lt, S>>::Future as Future>::Output) -> Response<Body>>, Map<<R as HandlerCallWithExtractors<Rt, S>>::Future, fn(_: <<R as HandlerCallWithExtractors<Rt, S>>::Future as Future>::Output) -> Response<Body>>>

The type of future calling this handler returns.
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fn call( self, extractors: Either<Lt, Rt>, state: S, ) -> <Self as HandlerCallWithExtractors<Either<Lt, Rt>, S>>::Future

Call the handler with the extracted inputs.
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fn into_handler(self) -> IntoHandler<Self, T, S>

Convert this HandlerCallWithExtractors into Handler.
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fn or<R, Rt>(self, rhs: R) -> Or<Self, R, T, Rt, S>
where R: HandlerCallWithExtractors<Rt, S>,

Chain two handlers together, running the second one if the first one rejects. Read more
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impl<E1, E2> IntoResponse for Either<E1, E2>
where E1: IntoResponse, E2: IntoResponse,

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fn into_response(self) -> Response

Create a response.
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impl<E1, E2, S> Layer<S> for Either<E1, E2>
where E1: Layer<S>, E2: Layer<S>,

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type Service = Either<<E1 as Layer<S>>::Service, <E2 as Layer<S>>::Service>

The wrapped service
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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.
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impl<R, E1, E2> Service<R> for Either<E1, E2>
where E1: Service<R>, E2: Service<R, Response = E1::Response, Error = E1::Error>,

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type Response = <E1 as Service<R>>::Response

Responses given by the service.
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type Error = <E1 as Service<R>>::Error

Errors produced by the service.
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type Future = Either<<E1 as Service<R>>::Future, <E2 as Service<R>>::Future>

The future response value.
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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
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fn call(&mut self, req: R) -> Self::Future

Process the request and return the response asynchronously. Read more

Auto Trait Implementations§

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impl<E1, E2> Freeze for Either<E1, E2>
where E1: Freeze, E2: Freeze,

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impl<E1, E2> RefUnwindSafe for Either<E1, E2>
where E1: RefUnwindSafe, E2: RefUnwindSafe,

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impl<E1, E2> Send for Either<E1, E2>
where E1: Send, E2: Send,

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impl<E1, E2> Sync for Either<E1, E2>
where E1: Sync, E2: Sync,

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impl<E1, E2> Unpin for Either<E1, E2>
where E1: Unpin, E2: Unpin,

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impl<E1, E2> UnwindSafe for Either<E1, E2>
where E1: UnwindSafe, E2: UnwindSafe,

Blanket Implementations§

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

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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default 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
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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

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fn from_ref(input: &T) -> T

Converts to this type from a reference to the input type.
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impl<S, T> FromRequest<S, ViaParts> for T
where S: Send + Sync, T: FromRequestParts<S>,

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type Rejection = <T as FromRequestParts<S>>::Rejection

If the extractor fails it’ll use this “rejection” type. A rejection is a kind of error that can be converted into a response.
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fn from_request<'life0, 'async_trait>( req: Request<Body>, state: &'life0 S, ) -> Pin<Box<dyn Future<Output = Result<T, <T as FromRequest<S, ViaParts>>::Rejection>> + Send + 'async_trait>>
where 'life0: 'async_trait, T: 'async_trait,

Perform the extraction.
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impl<T, S> Handler<IntoResponseHandler, S> for T
where T: IntoResponse + Clone + Send + 'static,

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type Future = Ready<Response<Body>>

The type of future calling this handler returns.
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fn call( self, _req: Request<Body>, _state: S, ) -> <T as Handler<IntoResponseHandler, S>>::Future

Call the handler with the given request.
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fn layer<L>(self, layer: L) -> Layered<L, Self, T, S>
where L: Layer<HandlerService<Self, T, S>> + Clone, <L as Layer<HandlerService<Self, T, S>>>::Service: Service<Request<Body>>,

Apply a tower::Layer to the handler. Read more
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fn with_state(self, state: S) -> HandlerService<Self, T, S>

Convert the handler into a Service by providing the state
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impl<H, T> HandlerWithoutStateExt<T> for H
where H: Handler<T, ()>,

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fn into_service(self) -> HandlerService<H, T, ()>

Convert the handler into a Service and no state.
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fn into_make_service(self) -> IntoMakeService<HandlerService<H, T, ()>>

Convert the handler into a MakeService and no state. Read more
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fn into_make_service_with_connect_info<C>( self, ) -> IntoMakeServiceWithConnectInfo<HandlerService<H, T, ()>, C>

Convert the handler into a MakeService which stores information about the incoming connection and has no state. Read more
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impl<T> Instrument for T

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

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

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

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

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

Responses given by the service
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type Error = <S as Service<Request>>::Error

Errors produced by the service
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type Service = S

The Service value created by this factory
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type MakeError = <M as Service<Target>>::Error

Errors produced while building a service.
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type Future = <M as Service<Target>>::Future

The future of the Service instance.
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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
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fn make_service( &mut self, target: Target, ) -> <M as MakeService<Target, Request>>::Future

Create and return a new service value asynchronously.
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fn into_service(self) -> IntoService<Self, Request>
where Self: Sized,

Consume this MakeService and convert it into a Service. Read more
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fn as_service(&mut self) -> AsService<'_, Self, Request>
where Self: Sized,

Convert this MakeService into a Service without consuming the original MakeService. Read more
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impl<T> Same for T

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type Output = T

Should always be Self
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impl<S, R> ServiceExt<R> for S
where S: Service<R>,

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fn into_make_service(self) -> IntoMakeService<S>

Convert this service into a MakeService, that is a Service whose response is another service. Read more
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fn into_make_service_with_connect_info<C>( self, ) -> IntoMakeServiceWithConnectInfo<S, C>

Convert this service into a MakeService, that will store C’s associated ConnectInfo in a request extension such that ConnectInfo can extract it. Read more
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fn handle_error<F, T>(self, f: F) -> HandleError<Self, F, T>

Convert this service into a HandleError, that will handle errors by converting them into responses. Read more
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impl<T, Request> ServiceExt<Request> for T
where T: Service<Request> + ?Sized,

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

Yields the service when it is ready to accept a request.
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fn oneshot(self, req: Request) -> Oneshot<Self, Request>
where Self: Sized,

Consume this Service, calling with the providing request once it is ready.
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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
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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
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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
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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
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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
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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
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fn filter<F, NewRequest>(self, filter: F) -> Filter<Self, F>
where Self: Sized, F: Predicate<NewRequest>,

Composes this service with a Filter that conditionally accepts or rejects requests based on a predicate. Read more
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fn filter_async<F, NewRequest>(self, filter: F) -> AsyncFilter<Self, F>
where Self: Sized, F: AsyncPredicate<NewRequest>,

Composes this service with an AsyncFilter that conditionally accepts or rejects requests based on an [async predicate]. Read more
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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
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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
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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
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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
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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V

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impl<T> WithSubscriber for T

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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
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fn with_current_subscriber(self) -> WithDispatch<Self>

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