[−][src]Trait actix_web::Responder
Trait implemented by types that can be converted to a http response.
Types that implement this trait can be used as the return type of a handler.
Associated Types
type Error: Into<Error>
The associated error which can be returned.
type Future: IntoFuture<Item = Response, Error = Self::Error>
The future response value.
Required methods
fn respond_to(self, req: &HttpRequest) -> Self::Future
Convert itself to AsyncResult
or Error
.
Implementations on Foreign Types
impl<T> Responder for Option<T> where
T: Responder,
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T: Responder,
type Error = T::Error
type Future = EitherFuture<<T::Future as IntoFuture>::Future, FutureResult<Response, T::Error>>
fn respond_to(self, req: &HttpRequest) -> Self::Future
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impl<T, E> Responder for Result<T, E> where
T: Responder,
E: Into<Error>,
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T: Responder,
E: Into<Error>,
type Error = Error
type Future = EitherFuture<ResponseFuture<<T::Future as IntoFuture>::Future>, FutureResult<Response, Error>>
fn respond_to(self, req: &HttpRequest) -> Self::Future
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impl Responder for ()
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type Error = Error
type Future = FutureResult<Response, Error>
fn respond_to(self, _: &HttpRequest) -> Self::Future
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impl Responder for &'static str
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type Error = Error
type Future = FutureResult<Response, Error>
fn respond_to(self, _: &HttpRequest) -> Self::Future
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impl Responder for &'static [u8]
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type Error = Error
type Future = FutureResult<Response, Error>
fn respond_to(self, _: &HttpRequest) -> Self::Future
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impl Responder for String
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type Error = Error
type Future = FutureResult<Response, Error>
fn respond_to(self, _: &HttpRequest) -> Self::Future
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impl<'a> Responder for &'a String
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type Error = Error
type Future = FutureResult<Response, Error>
fn respond_to(self, _: &HttpRequest) -> Self::Future
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impl<I, E> Responder for Box<dyn Future<Item = I, Error = E>> where
I: Responder + 'static,
E: Into<Error> + 'static,
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I: Responder + 'static,
E: Into<Error> + 'static,
type Error = Error
type Future = Box<dyn Future<Item = Response, Error = Error>>
fn respond_to(self, req: &HttpRequest) -> Self::Future
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Implementors
impl Responder for ResponseBuilder
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type Error = Error
type Future = FutureResult<Response, Error>
fn respond_to(self, _: &HttpRequest) -> Self::Future
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impl Responder for Bytes
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type Error = Error
type Future = FutureResult<Response, Error>
fn respond_to(self, _: &HttpRequest) -> Self::Future
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impl Responder for BytesMut
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type Error = Error
type Future = FutureResult<Response, Error>
fn respond_to(self, _: &HttpRequest) -> Self::Future
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impl Responder for Response
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type Error = Error
type Future = FutureResult<Response, Error>
fn respond_to(self, _: &HttpRequest) -> Self::Future
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impl<A, B> Responder for Either<A, B> where
A: Responder,
B: Responder,
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A: Responder,
B: Responder,
type Error = Error
type Future = EitherResponder<<A::Future as IntoFuture>::Future, <B::Future as IntoFuture>::Future>
fn respond_to(self, req: &HttpRequest) -> Self::Future
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impl<T> Responder for InternalError<T> where
T: Debug + Display + 'static,
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T: Debug + Display + 'static,