Struct tower :: util :: MapFuture Copy item path

impl<S, F> MapFuture<S, F>

pub const fn new(inner: S, f: F) -> Self

Creates a new MapFuture service.

pub fn layer(f: F) -> MapFutureLayer<F>

Returns a new Layer that produces MapFuture services.

This is a convenience function that simply calls MapFutureLayer::new.

pub fn get_ref(&self) -> &S

Get a reference to the inner service

pub fn get_mut(&mut self) -> &mut S

Get a mutable reference to the inner service

pub fn into_inner(self) -> S

Consume self, returning the inner service

Trait Implementations§

impl<S: Clone, F: Clone> Clone for MapFuture<S, F>

fn clone(&self) -> MapFuture<S, F>

Returns a copy of the value. Read more

1.0.0 · source§

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

Performs copy-assignment from source. Read more

impl<S, F> Debug for MapFuture<S, F>
where S: Debug,

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

Formats the value using the given formatter. Read more

impl<R, S, F, T, E, Fut> Service<R> for MapFuture<S, F>
where S: Service<R>, F: FnMut(S::Future) -> Fut, E: From<S::Error>, Fut: Future<Output = Result<T, E>>,

type Response = T

Responses given by the service.

type Error = E

Errors produced by the service.

type Future = Fut

The future response value.

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

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

Process the request and return the response asynchronously. Read more

Auto Trait Implementations§

impl<S, F> Freeze for MapFuture<S, F>
where S: Freeze, F: Freeze,

impl<S, F> RefUnwindSafe for MapFuture<S, F>
where S: RefUnwindSafe, F: RefUnwindSafe,

impl<S, F> UnwindSafe for MapFuture<S, F>
where S: UnwindSafe, F: UnwindSafe,

Blanket Implementations§

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

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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

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

Mutably borrows from an owned value. Read more

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

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

impl<T> From<T> for T

fn from(t: T) -> T

Returns the argument unchanged.

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

fn into(self) -> U

Calls U::from(self).

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

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

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

Responses given by the service

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

Errors produced by the service

type Service = S

The Service value created by this factory

type MakeError = <M as Service<Target>>::Error

Errors produced while building a service.

type Future = <M as Service<Target>>::Future

The future of the Service instance.

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

fn make_service( &mut self, target: Target, ) -> <M as MakeService<Target, Request>>::Future

Create and return a new service value asynchronously.

fn into_service(self) -> IntoService<Self, Request>
where Self: Sized,

Consume this MakeService and convert it into a Service. Read more

fn as_service(&mut self) -> AsService<'_, Self, Request>
where Self: Sized,

Convert this MakeService into a Service without consuming the original MakeService. Read more

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

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.

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

Yields the service when it is ready to accept a request.

fn oneshot(self, req: Request) -> Oneshot<Self, Request> ⓘ
where Self: Sized,

Consume this Service, calling it with the provided request once it is ready.

fn call_all<S>(self, reqs: S) -> CallAll<Self, S>
where Self: Sized, S: Stream<Item = Request>,

Process all requests from the given Stream, and produce a Stream of their responses. Read more

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

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

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

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

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

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

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

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

fn boxed_clone(self) -> BoxCloneService<Request, Self::Response, Self::Error>
where Self: Clone + Sized + Send + 'static, Self::Future: Send + 'static,

Convert the service into a Service + Clone + Send trait object. Read more

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

type Owned = T

The resulting type after obtaining ownership.

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

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

Uses borrowed data to replace owned data, usually by cloning. Read more

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

Performs the conversion.

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

type Error = >::Error

The type returned in the event of a conversion error.