Struct tower_async::util::ServiceFn
source · pub struct ServiceFn<T> { /* private fields */ }Available on crate feature
util only.Expand description
A Service implemented by a closure.
See service_fn for more details.
Trait Implementations§
source§impl<T, F, Request, R, E> Service<Request> for ServiceFn<T>where
T: Fn(Request) -> F,
F: Future<Output = Result<R, E>>,
impl<T, F, Request, R, E> Service<Request> for ServiceFn<T>where T: Fn(Request) -> F, F: Future<Output = Result<R, E>>,
impl<T: Copy> Copy for ServiceFn<T>
Auto Trait Implementations§
impl<T> RefUnwindSafe for ServiceFn<T>where T: RefUnwindSafe,
impl<T> Send for ServiceFn<T>where T: Send,
impl<T> Sync for ServiceFn<T>where T: Sync,
impl<T> Unpin for ServiceFn<T>where T: Unpin,
impl<T> UnwindSafe for ServiceFn<T>where T: UnwindSafe,
Blanket Implementations§
source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere T: ?Sized,
source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
source§impl<M, S, Target, Request> MakeService<Target, Request> for Mwhere
M: Service<Target, Response = S>,
S: Service<Request>,
impl<M, S, Target, Request> MakeService<Target, Request> for Mwhere M: Service<Target, Response = S>, S: Service<Request>,
§type Response = <S as Service<Request>>::Response
type Response = <S as Service<Request>>::Response
Available on crate feature
make only.Responses given by the service
§type Error = <S as Service<Request>>::Error
type Error = <S as Service<Request>>::Error
Available on crate feature
make only.Errors produced by the service
§type MakeError = <M as Service<Target>>::Error
type MakeError = <M as Service<Target>>::Error
Available on crate feature
make only.Errors produced while building a service.
source§async fn make_service(
&self,
target: Target
) -> Result<<M as MakeService<Target, Request>>::Service, <M as MakeService<Target, Request>>::MakeError>
async fn make_service( &self, target: Target ) -> Result<<M as MakeService<Target, Request>>::Service, <M as MakeService<Target, Request>>::MakeError>
Available on crate feature
make only.Create and return a new service value asynchronously.
source§fn into_service(self) -> IntoService<Self, Request>where
Self: Sized,
fn into_service(self) -> IntoService<Self, Request>where Self: Sized,
Available on crate feature
make only.source§fn as_service(&self) -> AsService<'_, Self, Request>where
Self: Sized,
fn as_service(&self) -> AsService<'_, Self, Request>where Self: Sized,
Available on crate feature
make only.source§impl<T, Request> ServiceExt<Request> for Twhere
T: Service<Request> + ?Sized,
impl<T, Request> ServiceExt<Request> for Twhere T: Service<Request> + ?Sized,
source§fn oneshot(
self,
req: Request
) -> impl Future<Output = Result<Self::Response, Self::Error>>where
Self: Sized,
fn oneshot( self, req: Request ) -> impl Future<Output = Result<Self::Response, Self::Error>>where Self: Sized,
Available on crate feature
util only.Consume this
Service, calling it with the provided request once and only once.source§fn and_then<F>(self, f: F) -> AndThen<Self, F>where
Self: Sized,
F: Clone,
fn and_then<F>(self, f: F) -> AndThen<Self, F>where Self: Sized, F: Clone,
Available on crate feature
util only.Executes a new future after this service’s future resolves. Read more
source§fn map_response<F, Response>(self, f: F) -> MapResponse<Self, F>where
Self: Sized,
F: Fn(Self::Response) -> Response,
fn map_response<F, Response>(self, f: F) -> MapResponse<Self, F>where Self: Sized, F: Fn(Self::Response) -> Response,
Available on crate feature
util only.Maps this service’s response value to a different value. Read more
source§fn map_err<F, Error>(self, f: F) -> MapErr<Self, F>where
Self: Sized,
F: Fn(Self::Error) -> Error,
fn map_err<F, Error>(self, f: F) -> MapErr<Self, F>where Self: Sized, F: Fn(Self::Error) -> Error,
Available on crate feature
util only.Maps this service’s error value to a different value. Read more
source§fn map_result<F, Response, Error>(self, f: F) -> MapResult<Self, F>where
Self: Sized,
Error: From<Self::Error>,
F: Fn(Result<Self::Response, Self::Error>) -> Result<Response, Error>,
fn map_result<F, Response, Error>(self, f: F) -> MapResult<Self, F>where Self: Sized, Error: From<Self::Error>, F: Fn(Result<Self::Response, Self::Error>) -> Result<Response, Error>,
Available on crate feature
util only.Maps this service’s result type (
Result<Self::Response, Self::Error>)
to a different value, regardless of whether the future succeeds or
fails. Read moresource§fn map_request<F, NewRequest>(self, f: F) -> MapRequest<Self, F>where
Self: Sized,
F: Fn(NewRequest) -> Request,
fn map_request<F, NewRequest>(self, f: F) -> MapRequest<Self, F>where Self: Sized, F: Fn(NewRequest) -> Request,
Available on crate feature
util only.Composes a function in front of the service. Read more
source§fn filter<F, NewRequest>(self, filter: F) -> Filter<Self, F>where
Self: Sized,
F: Predicate<NewRequest>,
fn filter<F, NewRequest>(self, filter: F) -> Filter<Self, F>where Self: Sized, F: Predicate<NewRequest>,
Available on crate features
util and filter only.source§fn filter_async<F, NewRequest>(self, filter: F) -> AsyncFilter<Self, F>where
Self: Sized,
F: AsyncPredicate<NewRequest>,
fn filter_async<F, NewRequest>(self, filter: F) -> AsyncFilter<Self, F>where Self: Sized, F: AsyncPredicate<NewRequest>,
Available on crate features
util and filter only.Composes this service with an
AsyncFilter that conditionally accepts or
rejects requests based on an [async predicate]. Read moresource§fn then<F, Response, Error, Fut>(self, f: F) -> Then<Self, F>where
Self: Sized,
Error: From<Self::Error>,
F: Fn(Result<Self::Response, Self::Error>) -> Fut,
Fut: Future<Output = Result<Response, Error>>,
fn then<F, Response, Error, Fut>(self, f: F) -> Then<Self, F>where Self: Sized, Error: From<Self::Error>, F: Fn(Result<Self::Response, Self::Error>) -> Fut, Fut: Future<Output = Result<Response, Error>>,
Available on crate feature
util only.Composes an asynchronous function after this service. Read more