[−][src]Struct actix_service::Then
Service for the then
combinator, chaining a computation onto the end of
another service.
This is created by the ServiceExt::then
method.
Methods
impl<A, B> Then<A, B>
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pub fn new(a: A, b: B) -> Then<A, B> where
A: Service,
B: Service<Request = Result<A::Response, A::Error>, Error = A::Error>,
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A: Service,
B: Service<Request = Result<A::Response, A::Error>, Error = A::Error>,
Create new Then
combinator
Trait Implementations
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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A: Service,
B: Service<Request = Result<A::Response, A::Error>, Error = A::Error>,
type Request = A::Request
Requests handled by the service.
type Response = B::Response
Responses given by the service.
type Error = B::Error
Errors produced by the service.
type Future = ThenFuture<A, B>
The future response value.
fn poll_ready(&mut self) -> Poll<(), Self::Error>
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fn call(&mut self, req: A::Request) -> Self::Future
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impl<A, B> Clone for Then<A, B> where
A: Clone,
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A: Clone,
Auto Trait Implementations
Blanket Implementations
impl<T> ServiceExt for T where
T: Service + ?Sized,
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T: Service + ?Sized,
fn apply_fn<F, B, B1, Out>(
self,
service: B1,
f: F
) -> AndThenApply<Self, B, F, Out> where
Self: Sized,
F: FnMut(Self::Response, &mut B) -> Out,
Out: IntoFuture,
Out::Error: Into<Self::Error>,
B: Service<Error = Self::Error>,
B1: IntoService<B>,
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self,
service: B1,
f: F
) -> AndThenApply<Self, B, F, Out> where
Self: Sized,
F: FnMut(Self::Response, &mut B) -> Out,
Out: IntoFuture,
Out::Error: Into<Self::Error>,
B: Service<Error = Self::Error>,
B1: IntoService<B>,
Apply function to specified service and use it as a next service in chain. Read more
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>,
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Self: Sized,
F: IntoService<B>,
B: Service<Request = Self::Response, Error = Self::Error>,
Call another service after call to this one has resolved successfully. Read more
fn from_err<E>(self) -> FromErr<Self, E> where
Self: Sized,
E: From<Self::Error>,
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Self: Sized,
E: From<Self::Error>,
Map this service's error to any error implementing From
for this services
Error`. Read more
fn then<B>(self, service: B) -> Then<Self, B> where
Self: Sized,
B: Service<Request = Result<Self::Response, Self::Error>, Error = Self::Error>,
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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
fn map<F, R>(self, f: F) -> Map<Self, F, R> where
Self: Sized,
F: FnMut(Self::Response) -> R,
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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
fn map_err<F, E>(self, f: F) -> MapErr<Self, F, E> where
Self: Sized,
F: Fn(Self::Error) -> E,
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Self: Sized,
F: Fn(Self::Error) -> E,
Map this service's error to a different error, returning a new service. Read more
impl<T> IntoService for T where
T: Service,
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T: Service,
fn into_service(Self) -> T
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impl<T, U> Into for T where
U: From<T>,
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U: From<T>,
impl<T> ToOwned for T where
T: Clone,
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T: Clone,
impl<T> From for T
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impl<T, U> TryFrom for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T> Borrow for T where
T: ?Sized,
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T: ?Sized,
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> BorrowMut for T where
T: ?Sized,
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T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
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impl<T, U> TryInto for T where
U: TryFrom<T>,
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U: TryFrom<T>,