Struct poem::endpoint::AndThen

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pub struct AndThen<E, F> { /* private fields */ }
Expand description

Endpoint for the and_then method.

Trait Implementations§

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impl<E, F, Fut, R, R2> Endpoint for AndThen<E, F>
where E: Endpoint<Output = R>, F: Fn(R) -> Fut + Send + Sync, Fut: Future<Output = Result<R2>> + Send, R: IntoResponse, R2: IntoResponse,

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type Output = R2

Represents the response of the endpoint.
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async fn call(&self, req: Request) -> Result<Self::Output>

Get the response to the request.
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fn get_response(&self, req: Request) -> impl Future<Output = Response> + Send

Get the response to the request and return a Response. Read more

Auto Trait Implementations§

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impl<E, F> Freeze for AndThen<E, F>
where E: Freeze, F: Freeze,

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impl<E, F> RefUnwindSafe for AndThen<E, F>
where E: RefUnwindSafe, F: RefUnwindSafe,

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impl<E, F> Send for AndThen<E, F>
where E: Send, F: Send,

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impl<E, F> Sync for AndThen<E, F>
where E: Sync, F: Sync,

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impl<E, F> Unpin for AndThen<E, F>
where E: Unpin, F: Unpin,

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impl<E, F> UnwindSafe for AndThen<E, F>
where E: UnwindSafe, F: 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<'a, T, E> AsTaggedExplicit<'a, E> for T
where T: 'a,

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fn explicit(self, class: Class, tag: u32) -> TaggedParser<'a, Explicit, Self, E>

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impl<'a, T, E> AsTaggedImplicit<'a, E> for T
where T: 'a,

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fn implicit( self, class: Class, constructed: bool, tag: u32, ) -> TaggedParser<'a, Implicit, Self, E>

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

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

Mutably borrows from an owned value. Read more
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impl<T> EndpointExt for T
where T: IntoEndpoint,

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fn boxed<'a>(self) -> BoxEndpoint<'a, <Self::Endpoint as Endpoint>::Output>
where Self: Sized + 'a,

Wrap the endpoint in a Box.
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fn with<T>(self, middleware: T) -> T::Output
where T: Middleware<Self::Endpoint>, Self: Sized,

Use middleware to transform this endpoint. Read more
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fn with_if<T>( self, enable: bool, middleware: T, ) -> EitherEndpoint<Self, T::Output>
where T: Middleware<Self::Endpoint>, Self: Sized,

if enable is true then use middleware to transform this endpoint. Read more
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fn data<T>(self, data: T) -> AddDataEndpoint<Self::Endpoint, T>
where T: Clone + Send + Sync + 'static, Self: Sized,

Attach a state data to the endpoint, similar to with(AddData(T)). Read more
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fn data_opt<T>( self, data: Option<T>, ) -> EitherEndpoint<AddDataEndpoint<Self::Endpoint, T>, Self>
where T: Clone + Send + Sync + 'static, Self: Sized,

if data is Some(T) then attach the value to the endpoint.
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fn before<F, Fut>(self, f: F) -> Before<Self, F>
where F: Fn(Request) -> Fut + Send + Sync, Fut: Future<Output = Result<Request>> + Send, Self: Sized,

Maps the request of this endpoint. Read more
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fn after<F, Fut, T>(self, f: F) -> After<Self::Endpoint, F>
where F: Fn(Result<<Self::Endpoint as Endpoint>::Output>) -> Fut + Send + Sync, Fut: Future<Output = Result<T>> + Send, T: IntoResponse, Self: Sized,

Maps the output of this endpoint. Read more
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fn around<F, Fut, R>(self, f: F) -> Around<Self::Endpoint, F>
where F: Fn(Arc<Self::Endpoint>, Request) -> Fut + Send + Sync + 'static, Fut: Future<Output = Result<R>> + Send + 'static, R: IntoResponse, Self: Sized,

Maps the request and response of this endpoint. Read more
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fn map_to_response(self) -> MapToResponse<Self::Endpoint>
where Self: Sized,

Convert the output of this endpoint into a response. Response. Read more
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fn to_response(self) -> ToResponse<Self::Endpoint>
where Self: Sized,

Convert the output of this endpoint into a response. Response. Read more
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fn map<F, Fut, R, R2>(self, f: F) -> Map<Self::Endpoint, F>
where F: Fn(R) -> Fut + Send + Sync, Fut: Future<Output = R2> + Send, R: IntoResponse, R2: IntoResponse, Self: Sized, Self::Endpoint: Endpoint<Output = R> + Sized,

Maps the response of this endpoint. Read more
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fn and_then<F, Fut, R, R2>(self, f: F) -> AndThen<Self::Endpoint, F>
where F: Fn(R) -> Fut + Send + Sync, Fut: Future<Output = Result<R2>> + Send, R: IntoResponse, R2: IntoResponse, Self: Sized, Self::Endpoint: Endpoint<Output = R> + Sized,

Calls f if the result is Ok, otherwise returns the Err value of self. Read more
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fn catch_all_error<F, Fut, R>(self, f: F) -> CatchAllError<Self, F, R>
where F: Fn(Error) -> Fut + Send + Sync, Fut: Future<Output = R> + Send, R: IntoResponse + Send, Self: Sized + Sync,

Catch all errors and convert it into a response. Read more
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fn catch_error<F, Fut, R, ErrType>( self, f: F, ) -> CatchError<Self, F, R, ErrType>
where F: Fn(ErrType) -> Fut + Send + Sync, Fut: Future<Output = R> + Send, R: IntoResponse + Send + Sync, ErrType: Error + Send + Sync + 'static, Self: Sized,

Catch the specified type of error and convert it into a response. Read more
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fn inspect_all_err<F>(self, f: F) -> InspectAllError<Self, F>
where F: Fn(&Error) + Send + Sync, Self: Sized,

Does something with each error. Read more
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fn inspect_err<F, ErrType>(self, f: F) -> InspectError<Self, F, ErrType>
where F: Fn(&ErrType) + Send + Sync, ErrType: Error + Send + Sync + 'static, Self: Sized,

Does something with each specified error type. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> FutureExt for T

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fn with_context(self, otel_cx: Context) -> WithContext<Self>

Attaches the provided Context to this type, returning a WithContext wrapper. Read more
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fn with_current_context(self) -> WithContext<Self>

Attaches the current Context to this type, returning a WithContext wrapper. 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<U> for T
where U: From<T>,

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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<T> IntoEndpoint for T
where T: Endpoint,

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type Endpoint = T

Represents the endpoint type.
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fn into_endpoint(self) -> <T as IntoEndpoint>::Endpoint

Converts this object into endpoint.
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impl<T> Same for T

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type Output = T

Should always be Self
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impl<T> TowerCompatExt for T

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fn compat<ResBody, Err, Fut>(self) -> TowerCompatEndpoint<Self>
where ResBody: Body + Send + Sync + 'static, ResBody::Data: Into<Bytes> + Send + 'static, ResBody::Error: StdError + Send + Sync + 'static, Err: Into<Error>, Self: Service<Request<BoxBody<Bytes, Error>>, Response = Response<ResBody>, Error = Err, Future = Fut> + Clone + Send + Sync + Sized + 'static, Fut: Future<Output = Result<Response<ResBody>, Err>> + Send + 'static,

Available on crate feature tower-compat only.
Converts a tower service to a poem endpoint.
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impl<L> TowerLayerCompatExt for L

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fn compat(self) -> TowerCompatMiddleware<Self>
where Self: Sized,

Available on crate feature tower-compat only.
Converts a tower layer to a poem middleware.
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V

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impl<T> WithSubscriber for T

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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