Struct actix_net::service::Then

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pub struct Then<A, B> { /* private fields */ }

Expand description

Service for the then combinator, chaining a computation onto the end of another service.

This is created by the ServiceExt::then method.

Implementations§

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impl<A, B> Then<A, B>where
A: Service,
B: Service<Request = Result<A::Response, A::Error>, Error = A::Error>,

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pub fn new(a: A, b: B) -> Then<A, B>

Create new Then combinator

Trait Implementations§

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impl<A, B> Clone for Then<A, B>where
A: Service + Clone,
B: Service<Request = Result<A::Response, A::Error>, Error = A::Error>,

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fn clone(&self) -> Self

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<A, B> Service for Then<A, B>where
A: Service,
B: Service<Request = Result<A::Response, A::Error>, Error = A::Error>,

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type Request = <A as Service>::Request

Requests handled by the service.

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type Response = ::Response

Responses given by the service.

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type Error = ::Error

Errors produced by the service.

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type Future = ThenFuture<A, B>

The future response value.

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fn poll_ready(&mut self) -> Poll<(), Self::Error>

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

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

Process the request and return the response asynchronously. Read more

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fn ready(self) -> Ready<Self>where
Self: Sized,

A future yielding the service when it is ready to accept a request.

Auto Trait Implementations§

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impl<A, B> !UnwindSafe for Then<A, B>

Blanket Implementations§

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

const: unstable · source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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

const: unstable · source§

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

const: unstable · source§

fn from(t: T) -> T

Returns the argument unchanged.

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

const: unstable · 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.

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impl<T> IntoService<T> for Twhere
T: Service,

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fn into_service(self) -> T

Convert to a Service

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

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fn apply<S, I, F, R>(
 self,
 service: I,
 f: F
) -> AndThen<Self, Apply<S, F, R, Self::Response>>where
 Self: Sized,
 S: Service,
 S::Error: Into<<R::Future as Future>::Error>,
 I: IntoService<S>,
 F: Fn(Self::Response, &mut S) -> R,
 R: IntoFuture<Error = Self::Error>,

Apply function to specified service and use it as a next service in chain. Read more

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fn and_then<F, B>(self, service: F) -> AndThen<Self, B>where
 Self: Sized,
 F: IntoService,
 B: Service<Request = Self::Response, Error = Self::Error>,

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

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fn from_err<E>(self) -> FromErr<Self, E>where
Self: Sized,
E: From<Self::Error>,

Map this service’s error to any error implementing From for this services Error`. Read more

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fn then(self, service: B) -> Then<Self, B>where
Self: Sized,
B: Service<Request = Result<Self::Response, Self::Error>, Error = Self::Error>,

Chain on a computation for when a call to the service finished, passing the result of the call to the next service B. Read more

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fn map<F, R>(self, f: F) -> Map<Self, F, R>where
Self: Sized,
F: Fn(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, 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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impl<T> ToOwned for Twhere
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 for Twhere
U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source§

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

Performs the conversion.

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

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type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source§

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

Performs the conversion.

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Struct actix_net::service::Then

Implementations§

impl<A, B> Then<A, B>where A: Service, B: Service<Request = Result<A::Response, A::Error>, Error = A::Error>,

pub fn new(a: A, b: B) -> Then<A, B>

Trait Implementations§

impl<A, B> Clone for Then<A, B>where A: Service + Clone, B: Service<Request = Result<A::Response, A::Error>, Error = A::Error>,

fn clone(&self) -> Self

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

impl<A, B> Service for Then<A, B>where A: Service, B: Service<Request = Result<A::Response, A::Error>, Error = A::Error>,

type Request = <A as Service>::Request

type Response = <B as Service>::Response

type Error = <B as Service>::Error

type Future = ThenFuture<A, B>

fn poll_ready(&mut self) -> Poll<(), Self::Error>

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

fn ready(self) -> Ready<Self>where Self: Sized,

Auto Trait Implementations§

impl<A, B> !RefUnwindSafe for Then<A, B>

impl<A, B> !Send for Then<A, B>

impl<A, B> !Sync for Then<A, B>

impl<A, B> Unpin for Then<A, B>where A: Unpin,

impl<A, B> !UnwindSafe for Then<A, 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, U> Into<U> for Twhere U: From<T>,

fn into(self) -> U

impl<T> IntoService<T> for Twhere T: Service,

fn into_service(self) -> T

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

fn apply<S, I, F, R>( self, service: I, f: F) -> AndThen<Self, Apply<S, F, R, Self::Response>>where Self: Sized, S: Service, S::Error: Into<<R::Future as Future>::Error>, I: IntoService<S>, F: Fn(Self::Response, &mut S) -> R, R: IntoFuture<Error = Self::Error>,

fn and_then<F, B>(self, service: F) -> AndThen<Self, B>where Self: Sized, F: IntoService<B>, B: Service<Request = Self::Response, Error = Self::Error>,

fn from_err<E>(self) -> FromErr<Self, E>where Self: Sized, E: From<Self::Error>,

fn then<B>(self, service: B) -> Then<Self, B>where Self: Sized, B: Service<Request = Result<Self::Response, Self::Error>, Error = Self::Error>,

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

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

impl<T> ToOwned for Twhere T: Clone,

type Owned = T

fn to_owned(&self) -> T

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

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<T> Erased for T

impl<A, B> Then<A, B>where
A: Service,
B: Service<Request = Result<A::Response, A::Error>, Error = A::Error>,

impl<A, B> Clone for Then<A, B>where
A: Service + Clone,
B: Service<Request = Result<A::Response, A::Error>, Error = A::Error>,

impl<A, B> Service for Then<A, B>where
A: Service,
B: Service<Request = Result<A::Response, A::Error>, Error = A::Error>,

fn ready(self) -> Ready<Self>where
Self: Sized,

impl<A, B> Unpin for Then<A, B>where
A: Unpin,

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

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

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

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

impl<T> IntoService<T> for Twhere
T: Service,

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

fn apply<S, I, F, R>(
self,
service: I,
f: F
) -> AndThen<Self, Apply<S, F, R, Self::Response>>where
Self: Sized,
S: Service,
S::Error: Into<<R::Future as Future>::Error>,
I: IntoService<S>,
F: Fn(Self::Response, &mut S) -> R,
R: IntoFuture<Error = Self::Error>,

fn and_then<F, B>(self, service: F) -> AndThen<Self, B>where
Self: Sized,
F: IntoService<B>,
B: Service<Request = Self::Response, Error = Self::Error>,

fn from_err<E>(self) -> FromErr<Self, E>where
Self: Sized,
E: From<Self::Error>,

fn then<B>(self, service: B) -> Then<Self, B>where
Self: Sized,
B: Service<Request = Result<Self::Response, Self::Error>, Error = Self::Error>,

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

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

impl<T> ToOwned for Twhere
T: Clone,

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

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