Trait viz::FromRequest

source · 
pub trait FromRequest: Sized {
    type Error: IntoResponse;

    // Required method
    fn extract(
        req: &mut Request<Body>
    ) -> impl Future<Output = Result<Self, Self::Error>> + Send;
}
Expand description

An interface for extracting data from the HTTP Request.

Required Associated Types§

source

type Error: IntoResponse

The type returned in the event of a conversion error.

Required Methods§

source

fn extract( req: &mut Request<Body> ) -> impl Future<Output = Result<Self, Self::Error>> + Send

Extracts this type from the HTTP Request.

Object Safety§

This trait is not object safe.

Implementations on Foreign Types§

source§

impl FromRequest for ()

§

type Error = Error

source§

async fn extract( req: &mut Request<Body> ) -> Result<(), <() as FromRequest>::Error>

source§

impl FromRequest for FormData<Body>

§

type Error = PayloadError

source§

async fn extract( req: &mut Request<Body> ) -> Result<FormData<Body>, <FormData<Body> as FromRequest>::Error>

source§

impl<A, B, C, D, E, F, G, H, I, J, K, L> FromRequest for (A, B, C, D, E, F, G, H, I, J, K, L)
where A: FromRequest + Send, B: FromRequest + Send, C: FromRequest + Send, D: FromRequest + Send, E: FromRequest + Send, F: FromRequest + Send, G: FromRequest + Send, H: FromRequest + Send, I: FromRequest + Send, J: FromRequest + Send, K: FromRequest + Send, L: FromRequest + Send, <A as FromRequest>::Error: IntoResponse + Send, <B as FromRequest>::Error: IntoResponse + Send, <C as FromRequest>::Error: IntoResponse + Send, <D as FromRequest>::Error: IntoResponse + Send, <E as FromRequest>::Error: IntoResponse + Send, <F as FromRequest>::Error: IntoResponse + Send, <G as FromRequest>::Error: IntoResponse + Send, <H as FromRequest>::Error: IntoResponse + Send, <I as FromRequest>::Error: IntoResponse + Send, <J as FromRequest>::Error: IntoResponse + Send, <K as FromRequest>::Error: IntoResponse + Send, <L as FromRequest>::Error: IntoResponse + Send,

§

type Error = Error

source§

async fn extract( req: &mut Request<Body> ) -> Result<(A, B, C, D, E, F, G, H, I, J, K, L), <(A, B, C, D, E, F, G, H, I, J, K, L) as FromRequest>::Error>

source§

impl<B, C, D, E, F, G, H, I, J, K, L> FromRequest for (B, C, D, E, F, G, H, I, J, K, L)
where B: FromRequest + Send, C: FromRequest + Send, D: FromRequest + Send, E: FromRequest + Send, F: FromRequest + Send, G: FromRequest + Send, H: FromRequest + Send, I: FromRequest + Send, J: FromRequest + Send, K: FromRequest + Send, L: FromRequest + Send, <B as FromRequest>::Error: IntoResponse + Send, <C as FromRequest>::Error: IntoResponse + Send, <D as FromRequest>::Error: IntoResponse + Send, <E as FromRequest>::Error: IntoResponse + Send, <F as FromRequest>::Error: IntoResponse + Send, <G as FromRequest>::Error: IntoResponse + Send, <H as FromRequest>::Error: IntoResponse + Send, <I as FromRequest>::Error: IntoResponse + Send, <J as FromRequest>::Error: IntoResponse + Send, <K as FromRequest>::Error: IntoResponse + Send, <L as FromRequest>::Error: IntoResponse + Send,

§

type Error = Error

source§

async fn extract( req: &mut Request<Body> ) -> Result<(B, C, D, E, F, G, H, I, J, K, L), <(B, C, D, E, F, G, H, I, J, K, L) as FromRequest>::Error>

source§

impl<C, D, E, F, G, H, I, J, K, L> FromRequest for (C, D, E, F, G, H, I, J, K, L)
where C: FromRequest + Send, D: FromRequest + Send, E: FromRequest + Send, F: FromRequest + Send, G: FromRequest + Send, H: FromRequest + Send, I: FromRequest + Send, J: FromRequest + Send, K: FromRequest + Send, L: FromRequest + Send, <C as FromRequest>::Error: IntoResponse + Send, <D as FromRequest>::Error: IntoResponse + Send, <E as FromRequest>::Error: IntoResponse + Send, <F as FromRequest>::Error: IntoResponse + Send, <G as FromRequest>::Error: IntoResponse + Send, <H as FromRequest>::Error: IntoResponse + Send, <I as FromRequest>::Error: IntoResponse + Send, <J as FromRequest>::Error: IntoResponse + Send, <K as FromRequest>::Error: IntoResponse + Send, <L as FromRequest>::Error: IntoResponse + Send,

§

type Error = Error

source§

async fn extract( req: &mut Request<Body> ) -> Result<(C, D, E, F, G, H, I, J, K, L), <(C, D, E, F, G, H, I, J, K, L) as FromRequest>::Error>

source§

impl<D, E, F, G, H, I, J, K, L> FromRequest for (D, E, F, G, H, I, J, K, L)
where D: FromRequest + Send, E: FromRequest + Send, F: FromRequest + Send, G: FromRequest + Send, H: FromRequest + Send, I: FromRequest + Send, J: FromRequest + Send, K: FromRequest + Send, L: FromRequest + Send, <D as FromRequest>::Error: IntoResponse + Send, <E as FromRequest>::Error: IntoResponse + Send, <F as FromRequest>::Error: IntoResponse + Send, <G as FromRequest>::Error: IntoResponse + Send, <H as FromRequest>::Error: IntoResponse + Send, <I as FromRequest>::Error: IntoResponse + Send, <J as FromRequest>::Error: IntoResponse + Send, <K as FromRequest>::Error: IntoResponse + Send, <L as FromRequest>::Error: IntoResponse + Send,

§

type Error = Error

source§

async fn extract( req: &mut Request<Body> ) -> Result<(D, E, F, G, H, I, J, K, L), <(D, E, F, G, H, I, J, K, L) as FromRequest>::Error>

source§

impl<E, F, G, H, I, J, K, L> FromRequest for (E, F, G, H, I, J, K, L)
where E: FromRequest + Send, F: FromRequest + Send, G: FromRequest + Send, H: FromRequest + Send, I: FromRequest + Send, J: FromRequest + Send, K: FromRequest + Send, L: FromRequest + Send, <E as FromRequest>::Error: IntoResponse + Send, <F as FromRequest>::Error: IntoResponse + Send, <G as FromRequest>::Error: IntoResponse + Send, <H as FromRequest>::Error: IntoResponse + Send, <I as FromRequest>::Error: IntoResponse + Send, <J as FromRequest>::Error: IntoResponse + Send, <K as FromRequest>::Error: IntoResponse + Send, <L as FromRequest>::Error: IntoResponse + Send,

§

type Error = Error

source§

async fn extract( req: &mut Request<Body> ) -> Result<(E, F, G, H, I, J, K, L), <(E, F, G, H, I, J, K, L) as FromRequest>::Error>

source§

impl<F, G, H, I, J, K, L> FromRequest for (F, G, H, I, J, K, L)
where F: FromRequest + Send, G: FromRequest + Send, H: FromRequest + Send, I: FromRequest + Send, J: FromRequest + Send, K: FromRequest + Send, L: FromRequest + Send, <F as FromRequest>::Error: IntoResponse + Send, <G as FromRequest>::Error: IntoResponse + Send, <H as FromRequest>::Error: IntoResponse + Send, <I as FromRequest>::Error: IntoResponse + Send, <J as FromRequest>::Error: IntoResponse + Send, <K as FromRequest>::Error: IntoResponse + Send, <L as FromRequest>::Error: IntoResponse + Send,

§

type Error = Error

source§

async fn extract( req: &mut Request<Body> ) -> Result<(F, G, H, I, J, K, L), <(F, G, H, I, J, K, L) as FromRequest>::Error>

source§

impl<G, H, I, J, K, L> FromRequest for (G, H, I, J, K, L)
where G: FromRequest + Send, H: FromRequest + Send, I: FromRequest + Send, J: FromRequest + Send, K: FromRequest + Send, L: FromRequest + Send, <G as FromRequest>::Error: IntoResponse + Send, <H as FromRequest>::Error: IntoResponse + Send, <I as FromRequest>::Error: IntoResponse + Send, <J as FromRequest>::Error: IntoResponse + Send, <K as FromRequest>::Error: IntoResponse + Send, <L as FromRequest>::Error: IntoResponse + Send,

§

type Error = Error

source§

async fn extract( req: &mut Request<Body> ) -> Result<(G, H, I, J, K, L), <(G, H, I, J, K, L) as FromRequest>::Error>

source§

impl<H, I, J, K, L> FromRequest for (H, I, J, K, L)
where H: FromRequest + Send, I: FromRequest + Send, J: FromRequest + Send, K: FromRequest + Send, L: FromRequest + Send, <H as FromRequest>::Error: IntoResponse + Send, <I as FromRequest>::Error: IntoResponse + Send, <J as FromRequest>::Error: IntoResponse + Send, <K as FromRequest>::Error: IntoResponse + Send, <L as FromRequest>::Error: IntoResponse + Send,

§

type Error = Error

source§

async fn extract( req: &mut Request<Body> ) -> Result<(H, I, J, K, L), <(H, I, J, K, L) as FromRequest>::Error>

source§

impl<I, J, K, L> FromRequest for (I, J, K, L)
where I: FromRequest + Send, J: FromRequest + Send, K: FromRequest + Send, L: FromRequest + Send, <I as FromRequest>::Error: IntoResponse + Send, <J as FromRequest>::Error: IntoResponse + Send, <K as FromRequest>::Error: IntoResponse + Send, <L as FromRequest>::Error: IntoResponse + Send,

§

type Error = Error

source§

async fn extract( req: &mut Request<Body> ) -> Result<(I, J, K, L), <(I, J, K, L) as FromRequest>::Error>

source§

impl<J, K, L> FromRequest for (J, K, L)
where J: FromRequest + Send, K: FromRequest + Send, L: FromRequest + Send, <J as FromRequest>::Error: IntoResponse + Send, <K as FromRequest>::Error: IntoResponse + Send, <L as FromRequest>::Error: IntoResponse + Send,

§

type Error = Error

source§

async fn extract( req: &mut Request<Body> ) -> Result<(J, K, L), <(J, K, L) as FromRequest>::Error>

source§

impl<K, L> FromRequest for (K, L)
where K: FromRequest + Send, L: FromRequest + Send, <K as FromRequest>::Error: IntoResponse + Send, <L as FromRequest>::Error: IntoResponse + Send,

§

type Error = Error

source§

async fn extract( req: &mut Request<Body> ) -> Result<(K, L), <(K, L) as FromRequest>::Error>

source§

impl<L> FromRequest for (L,)
where L: FromRequest + Send, <L as FromRequest>::Error: IntoResponse + Send,

§

type Error = Error

source§

async fn extract( req: &mut Request<Body> ) -> Result<(L,), <(L,) as FromRequest>::Error>

source§

impl<T> FromRequest for Option<T>
where T: FromRequest,

§

type Error = Infallible

source§

async fn extract( req: &mut Request<Body> ) -> Result<Option<T>, <Option<T> as FromRequest>::Error>

source§

impl<T> FromRequest for Result<T, <T as FromRequest>::Error>
where T: FromRequest,

§

type Error = Infallible

source§

async fn extract( req: &mut Request<Body> ) -> Result<Result<T, <T as FromRequest>::Error>, <Result<T, <T as FromRequest>::Error> as FromRequest>::Error>

Implementors§