Struct Next

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pub struct Next<B> { /* private fields */ }

Expand description

Wraps the “next” service in the middleware chain.

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impl Next

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pub fn call( &self, req: ServiceRequest, ) -> <Next as Service<ServiceRequest>>::Future

Equivalent to Service::call(self, req).

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impl Service<ServiceRequest> for Next

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type Response = ServiceResponse

Responses given by the service.

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type Error = Error

Errors produced by the service when polling readiness or executing call.

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type Future = Pin<Box<dyn Future<Output = Result<<Next as Service<ServiceRequest>>::Response, <Next as Service<ServiceRequest>>::Error>>>>

The future response value.

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fn poll_ready( &self, cx: &mut Context<'_>, ) -> Poll<Result<(), <Next as Service<ServiceRequest>>::Error>>

Returns Ready when the service is able to process requests. Read more

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fn call( &self, req: ServiceRequest, ) -> <Next as Service<ServiceRequest>>::Future

Process the request and return the response asynchronously. Read more

Auto Trait Implementations§

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impl !UnwindSafe for Next

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> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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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 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<T> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self> ⓘ

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self> ⓘ
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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impl<S, Req> IntoService<S, Req> for S
where S: Service<Req>,

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fn into_service(self) -> S

Convert to a Service

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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, Req> ServiceExt<Req> for S
where S: Service<Req>,

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fn map<F, R>(self, f: F) -> Map<Self, F, Req, R>
where Self: Sized, F: FnMut(Self::Response) -> R,

Map this service’s output to a different type, returning a new service of the resulting type. Read more

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fn map_err<F, E>(self, f: F) -> MapErr<Self, Req, F, E>
where Self: Sized, F: Fn(Self::Error) -> E,

Map this service’s error to a different error, returning a new service. Read more

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fn and_then<I, S1>(self, service: I) -> AndThenService<Self, S1, Req>
where Self: Sized, I: IntoService<S1, Self::Response>, S1: Service<Self::Response, Error = Self::Error>,

Call another service after call to this one has resolved successfully. Read more

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impl<T, U> TryFrom 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>::Error>

Performs the conversion.

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

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type Error = >::Error

The type returned in the event of a conversion error.

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fn try_into(self) -> Result<U, >::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

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Next

Struct Next Copy item path

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impl<B> Next<B>

pub fn call( &self, req: ServiceRequest, ) -> <Next<B> as Service<ServiceRequest>>::Future

Trait Implementations§

impl<B> Service<ServiceRequest> for Next<B>

type Response = ServiceResponse<B>

type Error = Error

type Future = Pin<Box<dyn Future<Output = Result<<Next<B> as Service<ServiceRequest>>::Response, <Next<B> as Service<ServiceRequest>>::Error>>>>

fn poll_ready( &self, cx: &mut Context<'_>, ) -> Poll<Result<(), <Next<B> as Service<ServiceRequest>>::Error>>

fn call( &self, req: ServiceRequest, ) -> <Next<B> as Service<ServiceRequest>>::Future

Auto Trait Implementations§

impl<B> Freeze for Next<B>

impl<B> !RefUnwindSafe for Next<B>

impl<B> !Send for Next<B>

impl<B> !Sync for Next<B>

impl<B> Unpin for Next<B>

impl<B> !UnwindSafe for Next<B>

Blanket Implementations§

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

fn type_id(&self) -> TypeId

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

fn borrow(&self) -> &T

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

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

impl<T> From<T> for T

fn from(t: T) -> T

impl<T> Instrument for T

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

fn in_current_span(self) -> Instrumented<Self> ⓘ

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

fn into(self) -> U

impl<T> IntoEither for T

fn into_either(self, into_left: bool) -> Either<Self, Self> ⓘ

fn into_either_with<F>(self, into_left: F) -> Either<Self, Self> ⓘwhere F: FnOnce(&Self) -> bool,

impl<S, Req> IntoService<S, Req> for Swhere S: Service<Req>,

fn into_service(self) -> S

impl<T> Same for T

type Output = T

impl<S, Req> ServiceExt<Req> for Swhere S: Service<Req>,

fn map<F, R>(self, f: F) -> Map<Self, F, Req, R>where Self: Sized, F: FnMut(Self::Response) -> R,

fn map_err<F, E>(self, f: F) -> MapErr<Self, Req, F, E>where Self: Sized, F: Fn(Self::Error) -> E,

fn and_then<I, S1>(self, service: I) -> AndThenService<Self, S1, Req>where Self: Sized, I: IntoService<S1, Self::Response>, S1: Service<Self::Response, Error = Self::Error>,

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

type Error = Infallible

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

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

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

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

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

fn vzip(self) -> V

impl<T> WithSubscriber for T

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

fn with_current_subscriber(self) -> WithDispatch<Self> ⓘ

impl<T> ErasedDestructor for Twhere T: 'static,

Struct Next

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

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

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

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

fn into_either_with<F>(self, into_left: F) -> Either<Self, Self> ⓘ
where F: FnOnce(&Self) -> bool,

impl<S, Req> IntoService<S, Req> for S
where S: Service<Req>,

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

fn map<F, R>(self, f: F) -> Map<Self, F, Req, R>
where Self: Sized, F: FnMut(Self::Response) -> R,

fn map_err<F, E>(self, f: F) -> MapErr<Self, Req, F, E>
where Self: Sized, F: Fn(Self::Error) -> E,

fn and_then<I, S1>(self, service: I) -> AndThenService<Self, S1, Req>
where Self: Sized, I: IntoService<S1, Self::Response>, S1: Service<Self::Response, Error = Self::Error>,

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

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

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

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

impl<T> ErasedDestructor for T
where T: 'static,