Struct tower::util::MapResponse[−][src]

pub struct MapResponse<S, F> { /* fields omitted */ }

Expand description

Service returned by the map_response combinator.

Implementations

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impl<S, F> MapResponse<S, F>

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

Creates a new MapResponse service.

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

Returns a new Layer that produces MapResponse services.

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

Trait Implementations

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

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

Returns a copy of the value. Read more

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

Performs copy-assignment from source. Read more

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

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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<S, F, Request, Response> Service<Request> for MapResponse<S, F> where
S: Service<Request>,
F: FnOnce(S::Response) -> Response + Clone,

type Response = Response

Responses given by the service.

type Error = S::Error

Errors produced by the service.

type Future = MapResponseFuture<S::Future, F>

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

Auto Trait Implementations

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

impl<S, F> Send for MapResponse<S, F> where
F: Send,
S: Send,

impl<S, F> Sync for MapResponse<S, F> where
F: Sync,
S: Sync,

impl<S, F> Unpin for MapResponse<S, F> where
F: Unpin,
S: Unpin,

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

Blanket Implementations

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

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pub 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,

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pub 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,

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pub 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

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pub fn from(t: T) -> T

Performs the conversion.

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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>,

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pub fn into(self) -> U

Performs the conversion.

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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 + Clone,

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

type Owned = T

The resulting type after obtaining ownership.

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pub fn to_owned(&self) -> T

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

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

🔬 This is a nightly-only experimental API. (toowned_clone_into)

recently added

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.

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pub fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

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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.

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pub fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> where
S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more

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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more

Struct tower::util::MapResponse[−][src]

Implementations

impl<S, F> MapResponse<S, F>

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

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

Trait Implementations

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

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

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

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

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

impl<S, F, Request, Response> Service<Request> for MapResponse<S, F> where S: Service<Request>, F: FnOnce(S::Response) -> Response + Clone,

type Response = Response

type Error = S::Error

type Future = MapResponseFuture<S::Future, F>

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

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

Auto Trait Implementations

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

impl<S, F> Send for MapResponse<S, F> where F: Send, S: Send,

impl<S, F> Sync for MapResponse<S, F> where F: Sync, S: Sync,

impl<S, F> Unpin for MapResponse<S, F> where F: Unpin, S: Unpin,

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

Blanket Implementations

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

pub fn type_id(&self) -> TypeId

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

pub fn borrow(&self) -> &T

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

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

impl<T> From<T> for T

pub fn from(t: T) -> T

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>,

pub fn into(self) -> U

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 + Clone,

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>>,

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

type Owned = T

pub fn to_owned(&self) -> T

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

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

type Error = Infallible

pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

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

type Error = <U as TryFrom<T>>::Error

pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

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

pub fn vzip(self) -> V

impl<T> WithSubscriber for T

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> where S: Into<Dispatch>,

fn with_current_subscriber(self) -> WithDispatch<Self>

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

impl<S, F, Request, Response> Service<Request> for MapResponse<S, F> where
S: Service<Request>,
F: FnOnce(S::Response) -> Response + Clone,

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

impl<S, F> Send for MapResponse<S, F> where
F: Send,
S: Send,

impl<S, F> Sync for MapResponse<S, F> where
F: Sync,
S: Sync,

impl<S, F> Unpin for MapResponse<S, F> where
F: Unpin,
S: Unpin,

impl<S, F> UnwindSafe for MapResponse<S, F> where
F: UnwindSafe,
S: 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, U> Into<U> for T where
U: From<T>,

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 + Clone,

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>>,

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

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

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

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

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> where
S: Into<Dispatch>,