Enum Either
pub enum Either<A, B>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
-
Left(A) -
Right(B)
Trait Implementations
impl<A, B, Request> Service<Request> for Either<A, B>
where
A: Service<Request>,
B: Service<Request, Response = A::Response, Error = A::Error>,
type Response = <A as Service<Request>>::Response;type Error = <A as Service<Request>>::Error;type Future = EitherResponseFuture<<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<A: Clone, B: Clone> Clone for Either<A, B>
fn clone(&self) -> Self
impl<A: Copy, B: Copy> Copy for Either<A, B>
impl<A: Debug, B: Debug> Debug for Either<A, B>
fn fmt(&self, f: &mut Formatter<'_>) -> Result
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
Auto Trait Implementations
impl<A, B> Freeze for Either<A, B>
where
A: Freeze,
B: Freeze,
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> Unpin for Either<A, B>
where
A: Unpin,
B: Unpin,
impl<A, B> UnsafeUnpin for Either<A, B>
where
A: UnsafeUnpin,
B: UnsafeUnpin,
impl<A, B> UnwindSafe for Either<A, B>
where
A: UnwindSafe,
B: UnwindSafe,
Blanket Implementations
impl<C, Target> MakeConnection<Target> for Either<A, B>
where
C: Service<Target>,
<C as Service<Target>>::Response: AsyncRead + AsyncWrite,
type Connection = <C as Service<Target>>::Response;type Error = <C as Service<Target>>::Error;type Future = <C as Service<Target>>::Future;fn poll_ready(&mut self, cx: &mut Context<'_>) -> Poll<Result<(), <C as MakeConnection<Target>>::Error>>fn make_connection(&mut self, target: Target) -> <C as MakeConnection<Target>>::Future
impl<M, S, Target, Request> MakeService<Target, Request> for Either<A, B>
where
M: Service<Target, Response = S>,
S: Service<Request>,
type Response = <S as Service<Request>>::Response;type Error = <S as Service<Request>>::Error;type Service = S;type MakeError = <M as Service<Target>>::Error;type Future = <M as Service<Target>>::Future;fn poll_ready(&mut self, cx: &mut Context<'_>) -> Poll<Result<(), <M as MakeService<Target, Request>>::MakeError>>fn make_service(&mut self, target: Target) -> <M as MakeService<Target, Request>>::Future
impl<T> Any for Either<A, B>
where
T: 'static + ?Sized,
fn type_id(&self) -> TypeId
impl<T> Borrow<T> for Either<A, B>
where
T: ?Sized,
fn borrow(&self) -> &T
impl<T> BorrowMut<T> for Either<A, B>
where
T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
impl<T> CloneToUninit for Either<A, B>
where
T: Clone,
unsafe fn clone_to_uninit(&self, dest: *mut u8)
impl<T> From<T> for Either<A, B>
fn from(t: T) -> TReturns the argument unchanged.
impl<T> Instrument for Either<A, B>
impl<T> ToOwned for Either<A, B>
where
T: Clone,
type Owned = T;fn to_owned(&self) -> Tfn clone_into(&self, target: &mut T)
impl<T> WithSubscriber for Either<A, B>
impl<T, Request> ServiceExt<Request> for Either<A, B>
where
T: Service<Request> + ?Sized,
impl<T, U> Into<U> for Either<A, B>
where
U: From<T>,
fn into(self) -> UCalls
U::from(self).That is, this conversion is whatever the implementation of
[From]<T> for Uchooses to do.
impl<T, U> TryFrom<U> for Either<A, B>
where
U: Into<T>,
type Error = never;fn try_from(value: U) -> Result<T, never>
impl<T, U> TryInto<U> for Either<A, B>
where
U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error;fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>