Enum tower::util::Either

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pub enum Either<A, B> {
    A(A),
    B(B),
}

Expand description

Combine two different service types into a single type.

Both services must be of the same request, response, and error types. Either is useful for handling conditional branching in service middleware to different inner service types.

Variants

`A(A)`

One type of backing Service.

`B(B)`

The other type of backing Service.

Trait Implementations

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impl<A: Clone, B: Clone> Clone for Either<A, B>

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fn clone(&self) -> Either<A, B>ⓘNotable traits for Either<A, B>`impl<A, B, T, AE, BE> Future for Either<A, B> where A: Future<Output = Result<T, AE>>, AE: Into<BoxError>, B: Future<Output = Result<T, BE>>, BE: Into<BoxError>, type Output = Result<T, BoxError>;`

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

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impl<A: Debug, B: Debug> Debug for Either<A, B>

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

Formats the value using the given formatter. Read more

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impl<A, B, T, AE, BE> Future for Either<A, B> where
 A: Future<Output = Result<T, AE>>,
 AE: Into<BoxError>,
 B: Future<Output = Result<T, BE>>,
 BE: Into<BoxError>,

type Output = Result<T, Box<dyn Error + Sync + Send + 'static, Global>>

The type of value produced on completion.

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fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output>

Attempt to resolve the future to a final value, registering the current task for wakeup if the value is not yet available. Read more

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impl<S, A, B> Layer<S> for Either<A, B> where
A: Layer<S>,
B: Layer<S>,

type Service = Either<<A as Layer<S>>::Service, >::Service>

The wrapped service

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fn layer(&self, inner: S) -> Self::Service

Wrap the given service with the middleware, returning a new service that has been decorated with the middleware. Read more

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impl<A, B, Request> Service<Request> for Either<A, B> where
 A: Service<Request>,
 A::Error: Into<BoxError>,
 B: Service<Request, Response = A::Response>,
 B::Error: Into<BoxError>,

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

Responses given by the service.

type Error = Box<dyn Error + Sync + Send + 'static, Global>

Errors produced by the service.

type Future = Either<<A as Service<Request>>::Future, >::Future>

The future response value.

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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

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

Process the request and return the response asynchronously. Read more

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impl<'pin, A, B> Unpin for Either<A, B> where
__Either<'pin, A, B>: Unpin,

Auto Trait Implementations

impl<A, B> RefUnwindSafe for Either<A, B> where
A: RefUnwindSafe,
B: RefUnwindSafe,

impl<A, B> Send for Either<A, B> where
A: Send,
B: Send,

impl<A, B> Sync for Either<A, B> where
A: Sync,
B: Sync,

impl<A, B> UnwindSafe for Either<A, B> where
A: UnwindSafe,
B: UnwindSafe,

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,

const: unstable · source

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,

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> FutureExt for T where
T: Future + ?Sized,

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fn map<U, F>(self, f: F) -> Map<Self, F> where
F: FnOnce(Self::Output) -> U,

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

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fn map_into(self) -> MapInto<Self, U> where
Self::Output: Into,

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

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fn then<Fut, F>(self, f: F) -> Then<Self, Fut, F> where
F: FnOnce(Self::Output) -> Fut,
Fut: Future,

Chain on a computation for when a future finished, passing the result of the future to the provided closure f. Read more

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fn left_future(self) -> Either<Self, B> where
B: Future<Output = Self::Output>,

Wrap this future in an Either future, making it the left-hand variant of that Either. Read more

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fn right_future<A>(self) -> Either<A, Self> where
A: Future<Output = Self::Output>,

Wrap this future in an Either future, making it the right-hand variant of that Either. Read more

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fn into_stream(self) -> IntoStream<Self>

Convert this future into a single element stream. Read more

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fn flatten(self) -> Flatten<Self> where
Self::Output: Future,

Flatten the execution of this future when the output of this future is itself another future. Read more

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fn flatten_stream(self) -> FlattenStream<Self> where
Self::Output: Stream,

Flatten the execution of this future when the successful result of this future is a stream. Read more

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fn fuse(self) -> Fuse<Self>

Fuse a future such that poll will never again be called once it has completed. This method can be used to turn any Future into a FusedFuture. Read more

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fn inspect<F>(self, f: F) -> Inspect<Self, F> where
F: FnOnce(&Self::Output),

Do something with the output of a future before passing it on. Read more

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fn catch_unwind(self) -> CatchUnwind<Self> where
Self: UnwindSafe,

Catches unwinding panics while polling the future. Read more

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fn shared(self) -> Shared<Self> where
Self::Output: Clone,

Create a cloneable handle to this future where all handles will resolve to the same result. Read more

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fn boxed<'a>(
self
) -> Pin<Box<dyn Future<Output = Self::Output> + Send + 'a, Global>> where
Self: 'a + Send,

Wrap the future in a Box, pinning it. Read more

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fn boxed_local<'a>(
self
) -> Pin<Box<dyn Future<Output = Self::Output> + 'a, Global>> where
Self: 'a,

Wrap the future in a Box, pinning it. Read more

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fn unit_error(self) -> UnitError<Self>

Turns a Future<Output = T> into a TryFuture<Ok = T, Error = ()>. Read more

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fn never_error(self) -> NeverError<Self>

Turns a Future<Output = T> into a TryFuture<Ok = T, Error = Never>. Read more

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fn poll_unpin(&mut self, cx: &mut Context<'_>) -> Poll<Self::Output> where
Self: Unpin,

A convenience for calling Future::poll on Unpin future types.

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fn now_or_never(self) -> Option<Self::Output>

Evaluates and consumes the future, returning the resulting output if the future is ready after the first call to Future::poll. Read more

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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>,

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<F> IntoFuture for F where
F: Future,

type Output = <F as Future>::Output

The output that the future will produce on completion.

type IntoFuture = F

Which kind of future are we turning this into?

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fn into_future(self) -> <F as IntoFuture>::IntoFuture

Creates a future from a value. Read more

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

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fn ready(&mut self) -> Ready<'_, Self, Request>ⓘNotable traits for Ready<'a, T, Request>`impl<'a, T, Request> Future for Ready<'a, T, Request> where T: Service<Request>, type Output = Result<&'a mut T, T::Error>;` where
Self: Sized,

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

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

👎Deprecated since 0.4.6:

please use the ServiceExt::ready method instead

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

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fn ready_oneshot(self) -> ReadyOneshot<Self, Request>ⓘNotable traits for ReadyOneshot<T, Request>`impl<T, Request> Future for ReadyOneshot<T, Request> where T: Service<Request>, type Output = Result<T, T::Error>;` where
Self: Sized,

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

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fn oneshot(self, req: Request) -> Oneshot<Self, Request>ⓘNotable traits for Oneshot<S, Req>`impl<S, Req> Future for Oneshot<S, Req> where S: Service<Req>, type Output = Result<S::Response, S::Error>;` where
Self: Sized,

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

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

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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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

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 T where
U: Into<T>,

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<F, T, E> TryFuture for F where
F: Future<Output = Result<T, E>> + ?Sized,

type Ok = T

The type of successful values yielded by this future

type Error = E

The type of failures yielded by this future

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fn try_poll(
self: Pin<&mut F>,
cx: &mut Context<'_>
) -> Poll<<F as Future>::Output>

Poll this TryFuture as if it were a Future. Read more

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impl<Fut> TryFutureExt for Fut where
Fut: TryFuture + ?Sized,

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fn map_ok<T, F>(self, f: F) -> MapOk<Self, F> where
F: FnOnce(Self::Ok) -> T,

Maps this future’s success value to a different value. Read more

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fn map_ok_or_else<T, E, F>(self, e: E, f: F) -> MapOkOrElse<Self, F, E> where
F: FnOnce(Self::Ok) -> T,
E: FnOnce(Self::Error) -> T,

Maps this future’s success value to a different value, and permits for error handling resulting in the same type. Read more

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

Maps this future’s error value to a different value. Read more

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fn err_into<E>(self) -> ErrInto<Self, E> where
Self::Error: Into<E>,

Maps this future’s Error to a new error type using the Into trait. Read more

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fn ok_into(self) -> OkInto<Self, U> where
Self::Ok: Into,

Maps this future’s Ok to a new type using the Into trait. Read more

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fn and_then<Fut, F>(self, f: F) -> AndThen<Self, Fut, F> where
F: FnOnce(Self::Ok) -> Fut,
Fut: TryFuture<Error = Self::Error>,

Executes another future after this one resolves successfully. The success value is passed to a closure to create this subsequent future. Read more

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fn or_else<Fut, F>(self, f: F) -> OrElse<Self, Fut, F> where
F: FnOnce(Self::Error) -> Fut,
Fut: TryFuture<Ok = Self::Ok>,

Executes another future if this one resolves to an error. The error value is passed to a closure to create this subsequent future. Read more

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fn inspect_ok<F>(self, f: F) -> InspectOk<Self, F> where
F: FnOnce(&Self::Ok),

Do something with the success value of a future before passing it on. Read more

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fn inspect_err<F>(self, f: F) -> InspectErr<Self, F> where
F: FnOnce(&Self::Error),

Do something with the error value of a future before passing it on. Read more

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fn try_flatten(self) -> TryFlatten<Self, Self::Ok> where
Self::Ok: TryFuture,
<Self::Ok as TryFuture>::Error == Self::Error,

Flatten the execution of this future when the successful result of this future is another future. Read more

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fn try_flatten_stream(self) -> TryFlattenStream<Self> where
Self::Ok: TryStream,
<Self::Ok as TryStream>::Error == Self::Error,

Flatten the execution of this future when the successful result of this future is a stream. Read more

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fn unwrap_or_else<F>(self, f: F) -> UnwrapOrElse<Self, F> where
F: FnOnce(Self::Error) -> Self::Ok,

Unwraps this future’s output, producing a future with this future’s Ok type as its Output type. Read more

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fn into_future(self) -> IntoFuture<Self>

Wraps a TryFuture into a type that implements Future. Read more

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fn try_poll_unpin(
 &mut self,
 cx: &mut Context<'_>
) -> Poll<Result<Self::Ok, Self::Error>> where
 Self: Unpin,

A convenience method for calling TryFuture::try_poll on Unpin future types. Read more

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

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

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Enum tower::util::Either

Variants

A(A)

B(B)

Trait Implementations

impl<A: Clone, B: Clone> Clone for Either<A, B>

fn clone(&self) -> Either<A, B>ⓘNotable traits for Either<A, B>impl<A, B, T, AE, BE> Future for Either<A, B> where A: Future<Output = Result<T, AE>>, AE: Into<BoxError>, B: Future<Output = Result<T, BE>>, BE: Into<BoxError>, type Output = Result<T, BoxError>;

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

impl<A: Debug, B: Debug> Debug for Either<A, B>

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

impl<A, B, T, AE, BE> Future for Either<A, B> where A: Future<Output = Result<T, AE>>, AE: Into<BoxError>, B: Future<Output = Result<T, BE>>, BE: Into<BoxError>,

type Output = Result<T, Box<dyn Error + Sync + Send + 'static, Global>>

fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output>

impl<S, A, B> Layer<S> for Either<A, B> where A: Layer<S>, B: Layer<S>,

type Service = Either<<A as Layer<S>>::Service, <B as Layer<S>>::Service>

fn layer(&self, inner: S) -> Self::Service

impl<A, B, Request> Service<Request> for Either<A, B> where A: Service<Request>, A::Error: Into<BoxError>, B: Service<Request, Response = A::Response>, B::Error: Into<BoxError>,

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

type Error = Box<dyn Error + Sync + Send + 'static, Global>

type Future = Either<<A as Service<Request>>::Future, <B as Service<Request>>::Future>

fn poll_ready(&mut self, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>>

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

impl<'pin, A, B> Unpin for Either<A, B> where __Either<'pin, A, B>: Unpin,

Auto Trait Implementations

impl<A, B> RefUnwindSafe for Either<A, B> where A: RefUnwindSafe, B: RefUnwindSafe,

impl<A, B> Send for Either<A, B> where A: Send, B: Send,

impl<A, B> Sync for Either<A, B> where A: Sync, B: Sync,

impl<A, B> UnwindSafe for Either<A, B> where A: UnwindSafe, B: UnwindSafe,

Blanket Implementations

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

fn type_id(&self) -> TypeId

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

fn borrow(&self) -> &T

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

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

impl<T> From<T> for T

fn from(t: T) -> T

impl<T> FutureExt for T where T: Future + ?Sized,

fn map<U, F>(self, f: F) -> Map<Self, F> where F: FnOnce(Self::Output) -> U,

fn map_into<U>(self) -> MapInto<Self, U> where Self::Output: Into<U>,

fn then<Fut, F>(self, f: F) -> Then<Self, Fut, F> where F: FnOnce(Self::Output) -> Fut, Fut: Future,

fn left_future<B>(self) -> Either<Self, B> where B: Future<Output = Self::Output>,

fn right_future<A>(self) -> Either<A, Self> where A: Future<Output = Self::Output>,

fn into_stream(self) -> IntoStream<Self>

fn flatten(self) -> Flatten<Self> where Self::Output: Future,

fn flatten_stream(self) -> FlattenStream<Self> where Self::Output: Stream,

fn fuse(self) -> Fuse<Self>

fn inspect<F>(self, f: F) -> Inspect<Self, F> where F: FnOnce(&Self::Output),

fn catch_unwind(self) -> CatchUnwind<Self> where Self: UnwindSafe,

fn shared(self) -> Shared<Self> where Self::Output: Clone,

fn boxed<'a>( self) -> Pin<Box<dyn Future<Output = Self::Output> + Send + 'a, Global>> where Self: 'a + Send,

fn boxed_local<'a>( self) -> Pin<Box<dyn Future<Output = Self::Output> + 'a, Global>> where Self: 'a,

fn unit_error(self) -> UnitError<Self>

fn never_error(self) -> NeverError<Self>

fn poll_unpin(&mut self, cx: &mut Context<'_>) -> Poll<Self::Output> where Self: Unpin,

fn now_or_never(self) -> Option<Self::Output>

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 T where U: From<T>,

fn into(self) -> U

impl<F> IntoFuture for F where F: Future,

type Output = <F as Future>::Output

type IntoFuture = F

fn into_future(self) -> <F as IntoFuture>::IntoFuture

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

fn ready(&mut self) -> Ready<'_, Self, Request>ⓘNotable traits for Ready<'a, T, Request>impl<'a, T, Request> Future for Ready<'a, T, Request> where T: Service<Request>, type Output = Result<&'a mut T, T::Error>; where Self: Sized,

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

fn ready_oneshot(self) -> ReadyOneshot<Self, Request>ⓘNotable traits for ReadyOneshot<T, Request>impl<T, Request> Future for ReadyOneshot<T, Request> where T: Service<Request>, type Output = Result<T, T::Error>; where Self: Sized,

fn oneshot(self, req: Request) -> Oneshot<Self, Request>ⓘNotable traits for Oneshot<S, Req>impl<S, Req> Future for Oneshot<S, Req> where S: Service<Req>, type Output = Result<S::Response, S::Error>; where Self: Sized,

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

fn and_then<F>(self, f: F) -> AndThen<Self, F> where Self: Sized, F: Clone,

fn map_response<F, Response>(self, f: F) -> MapResponse<Self, F> where Self: Sized, F: FnOnce(Self::Response) -> Response + Clone,

fn map_err<F, Error>(self, f: F) -> MapErr<Self, F> where Self: Sized, F: FnOnce(Self::Error) -> Error + Clone,

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,

fn map_request<F, NewRequest>(self, f: F) -> MapRequest<Self, F> where Self: Sized, F: FnMut(NewRequest) -> Request,

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>>,

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>>,

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

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

`A(A)`

`B(B)`

fn clone(&self) -> Either<A, B>ⓘNotable traits for Either<A, B>`impl<A, B, T, AE, BE> Future for Either<A, B> where A: Future<Output = Result<T, AE>>, AE: Into<BoxError>, B: Future<Output = Result<T, BE>>, BE: Into<BoxError>, type Output = Result<T, BoxError>;`

impl<A, B, T, AE, BE> Future for Either<A, B> where
A: Future<Output = Result<T, AE>>,
AE: Into<BoxError>,
B: Future<Output = Result<T, BE>>,
BE: Into<BoxError>,

impl<S, A, B> Layer<S> for Either<A, B> where
A: Layer<S>,
B: Layer<S>,

impl<A, B, Request> Service<Request> for Either<A, B> where
A: Service<Request>,
A::Error: Into<BoxError>,
B: Service<Request, Response = A::Response>,
B::Error: Into<BoxError>,

impl<'pin, A, B> Unpin for Either<A, B> where
__Either<'pin, A, B>: Unpin,

impl<A, B> RefUnwindSafe for Either<A, B> where
A: RefUnwindSafe,
B: RefUnwindSafe,

impl<A, B> Send for Either<A, B> where
A: Send,
B: Send,

impl<A, B> Sync for Either<A, B> where
A: Sync,
B: Sync,

impl<A, B> UnwindSafe for Either<A, B> where
A: UnwindSafe,
B: UnwindSafe,

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> FutureExt for T where
T: Future + ?Sized,

fn map<U, F>(self, f: F) -> Map<Self, F> where
F: FnOnce(Self::Output) -> U,

fn map_into<U>(self) -> MapInto<Self, U> where
Self::Output: Into<U>,

fn then<Fut, F>(self, f: F) -> Then<Self, Fut, F> where
F: FnOnce(Self::Output) -> Fut,
Fut: Future,

fn left_future<B>(self) -> Either<Self, B> where
B: Future<Output = Self::Output>,

fn right_future<A>(self) -> Either<A, Self> where
A: Future<Output = Self::Output>,

fn flatten(self) -> Flatten<Self> where
Self::Output: Future,

fn flatten_stream(self) -> FlattenStream<Self> where
Self::Output: Stream,

fn inspect<F>(self, f: F) -> Inspect<Self, F> where
F: FnOnce(&Self::Output),

fn catch_unwind(self) -> CatchUnwind<Self> where
Self: UnwindSafe,

fn shared(self) -> Shared<Self> where
Self::Output: Clone,

fn boxed<'a>(
self
) -> Pin<Box<dyn Future<Output = Self::Output> + Send + 'a, Global>> where
Self: 'a + Send,

fn boxed_local<'a>(
self
) -> Pin<Box<dyn Future<Output = Self::Output> + 'a, Global>> where
Self: 'a,

fn poll_unpin(&mut self, cx: &mut Context<'_>) -> Poll<Self::Output> where
Self: Unpin,

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

impl<F> IntoFuture for F where
F: Future,

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

fn ready(&mut self) -> Ready<'_, Self, Request>ⓘNotable traits for Ready<'a, T, Request>`impl<'a, T, Request> Future for Ready<'a, T, Request> where T: Service<Request>, type Output = Result<&'a mut T, T::Error>;` where
Self: Sized,

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

fn ready_oneshot(self) -> ReadyOneshot<Self, Request>ⓘNotable traits for ReadyOneshot<T, Request>`impl<T, Request> Future for ReadyOneshot<T, Request> where T: Service<Request>, type Output = Result<T, T::Error>;` where
Self: Sized,

fn oneshot(self, req: Request) -> Oneshot<Self, Request>ⓘNotable traits for Oneshot<S, Req>`impl<S, Req> Future for Oneshot<S, Req> where S: Service<Req>, type Output = Result<S::Response, S::Error>;` where
Self: Sized,

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

fn and_then<F>(self, f: F) -> AndThen<Self, F> where
Self: Sized,
F: Clone,

fn map_response<F, Response>(self, f: F) -> MapResponse<Self, F> where
Self: Sized,
F: FnOnce(Self::Response) -> Response + Clone,

fn map_err<F, Error>(self, f: F) -> MapErr<Self, F> where
Self: Sized,
F: FnOnce(Self::Error) -> Error + Clone,

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,

fn map_request<F, NewRequest>(self, f: F) -> MapRequest<Self, F> where
Self: Sized,
F: FnMut(NewRequest) -> Request,

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>>,

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>>,

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

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

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

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

impl<F, T, E> TryFuture for F where
F: Future<Output = Result<T, E>> + ?Sized,

fn try_poll(
self: Pin<&mut F>,
cx: &mut Context<'_>
) -> Poll<<F as Future>::Output>

impl<Fut> TryFutureExt for Fut where
Fut: TryFuture + ?Sized,

fn map_ok<T, F>(self, f: F) -> MapOk<Self, F> where
F: FnOnce(Self::Ok) -> T,

fn map_ok_or_else<T, E, F>(self, e: E, f: F) -> MapOkOrElse<Self, F, E> where
F: FnOnce(Self::Ok) -> T,
E: FnOnce(Self::Error) -> T,

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

fn err_into<E>(self) -> ErrInto<Self, E> where
Self::Error: Into<E>,

fn ok_into<U>(self) -> OkInto<Self, U> where
Self::Ok: Into<U>,

fn and_then<Fut, F>(self, f: F) -> AndThen<Self, Fut, F> where
F: FnOnce(Self::Ok) -> Fut,
Fut: TryFuture<Error = Self::Error>,

fn or_else<Fut, F>(self, f: F) -> OrElse<Self, Fut, F> where
F: FnOnce(Self::Error) -> Fut,
Fut: TryFuture<Ok = Self::Ok>,

fn inspect_ok<F>(self, f: F) -> InspectOk<Self, F> where
F: FnOnce(&Self::Ok),

fn inspect_err<F>(self, f: F) -> InspectErr<Self, F> where
F: FnOnce(&Self::Error),

fn try_flatten(self) -> TryFlatten<Self, Self::Ok> where
Self::Ok: TryFuture,
<Self::Ok as TryFuture>::Error == Self::Error,

fn try_flatten_stream(self) -> TryFlattenStream<Self> where
Self::Ok: TryStream,
<Self::Ok as TryStream>::Error == Self::Error,

fn unwrap_or_else<F>(self, f: F) -> UnwrapOrElse<Self, F> where
F: FnOnce(Self::Error) -> Self::Ok,

fn try_poll_unpin(
&mut self,
cx: &mut Context<'_>
) -> Poll<Result<Self::Ok, Self::Error>> where
Self: Unpin,

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

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