Trait viz_core::FromRequest

pub trait FromRequest: Sized {
    type Error: IntoResponse;

    // Required method
    fn extract<'life0, 'async_trait>(
        req: &'life0 mut Request
    ) -> Pin<Box<dyn Future<Output = Result<Self, Self::Error>> + Send + 'async_trait>>
       where Self: 'async_trait,
             'life0: 'async_trait;
}

An interface for extracting data from the HTTP Request.

Required Associated Types

type Error: IntoResponse

The type returned in the event of a conversion error.

Required Methods

fn extract<'life0, 'async_trait>( req: &'life0 mut Request ) -> Pin<Box<dyn Future<Output = Result<Self, Self::Error>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait,

Extracts this type from the HTTP Request.

Object Safety

This trait is not object safe.

Implementations on Foreign Types

impl FromRequest for ()

type Error = Error

fn extract<'life0, 'async_trait>( req: &'life0 mut Request ) -> Pin<Box<dyn Future<Output = Result<(), Self::Error>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait,

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::Error: IntoResponse + Send, B::Error: IntoResponse + Send, C::Error: IntoResponse + Send, D::Error: IntoResponse + Send, E::Error: IntoResponse + Send, F::Error: IntoResponse + Send, G::Error: IntoResponse + Send, H::Error: IntoResponse + Send, I::Error: IntoResponse + Send, J::Error: IntoResponse + Send, K::Error: IntoResponse + Send, L::Error: IntoResponse + Send,

type Error = Error

fn extract<'life0, 'async_trait>( req: &'life0 mut Request ) -> Pin<Box<dyn Future<Output = Result<(A, B, C, D, E, F, G, H, I, J, K, L), Self::Error>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait,

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::Error: IntoResponse + Send, C::Error: IntoResponse + Send, D::Error: IntoResponse + Send, E::Error: IntoResponse + Send, F::Error: IntoResponse + Send, G::Error: IntoResponse + Send, H::Error: IntoResponse + Send, I::Error: IntoResponse + Send, J::Error: IntoResponse + Send, K::Error: IntoResponse + Send, L::Error: IntoResponse + Send,

type Error = Error

fn extract<'life0, 'async_trait>( req: &'life0 mut Request ) -> Pin<Box<dyn Future<Output = Result<(B, C, D, E, F, G, H, I, J, K, L), Self::Error>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait,

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::Error: IntoResponse + Send, D::Error: IntoResponse + Send, E::Error: IntoResponse + Send, F::Error: IntoResponse + Send, G::Error: IntoResponse + Send, H::Error: IntoResponse + Send, I::Error: IntoResponse + Send, J::Error: IntoResponse + Send, K::Error: IntoResponse + Send, L::Error: IntoResponse + Send,

type Error = Error

fn extract<'life0, 'async_trait>( req: &'life0 mut Request ) -> Pin<Box<dyn Future<Output = Result<(C, D, E, F, G, H, I, J, K, L), Self::Error>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait,

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::Error: IntoResponse + Send, E::Error: IntoResponse + Send, F::Error: IntoResponse + Send, G::Error: IntoResponse + Send, H::Error: IntoResponse + Send, I::Error: IntoResponse + Send, J::Error: IntoResponse + Send, K::Error: IntoResponse + Send, L::Error: IntoResponse + Send,

type Error = Error

fn extract<'life0, 'async_trait>( req: &'life0 mut Request ) -> Pin<Box<dyn Future<Output = Result<(D, E, F, G, H, I, J, K, L), Self::Error>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait,

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::Error: IntoResponse + Send, F::Error: IntoResponse + Send, G::Error: IntoResponse + Send, H::Error: IntoResponse + Send, I::Error: IntoResponse + Send, J::Error: IntoResponse + Send, K::Error: IntoResponse + Send, L::Error: IntoResponse + Send,

type Error = Error

fn extract<'life0, 'async_trait>( req: &'life0 mut Request ) -> Pin<Box<dyn Future<Output = Result<(E, F, G, H, I, J, K, L), Self::Error>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait,

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::Error: IntoResponse + Send, G::Error: IntoResponse + Send, H::Error: IntoResponse + Send, I::Error: IntoResponse + Send, J::Error: IntoResponse + Send, K::Error: IntoResponse + Send, L::Error: IntoResponse + Send,

type Error = Error

fn extract<'life0, 'async_trait>( req: &'life0 mut Request ) -> Pin<Box<dyn Future<Output = Result<(F, G, H, I, J, K, L), Self::Error>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait,

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::Error: IntoResponse + Send, H::Error: IntoResponse + Send, I::Error: IntoResponse + Send, J::Error: IntoResponse + Send, K::Error: IntoResponse + Send, L::Error: IntoResponse + Send,

type Error = Error

fn extract<'life0, 'async_trait>( req: &'life0 mut Request ) -> Pin<Box<dyn Future<Output = Result<(G, H, I, J, K, L), Self::Error>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait,

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::Error: IntoResponse + Send, I::Error: IntoResponse + Send, J::Error: IntoResponse + Send, K::Error: IntoResponse + Send, L::Error: IntoResponse + Send,

type Error = Error

fn extract<'life0, 'async_trait>( req: &'life0 mut Request ) -> Pin<Box<dyn Future<Output = Result<(H, I, J, K, L), Self::Error>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait,

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::Error: IntoResponse + Send, J::Error: IntoResponse + Send, K::Error: IntoResponse + Send, L::Error: IntoResponse + Send,

type Error = Error

fn extract<'life0, 'async_trait>( req: &'life0 mut Request ) -> Pin<Box<dyn Future<Output = Result<(I, J, K, L), Self::Error>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait,

impl<J, K, L> FromRequest for (J, K, L)

where J: FromRequest + Send, K: FromRequest + Send, L: FromRequest + Send, J::Error: IntoResponse + Send, K::Error: IntoResponse + Send, L::Error: IntoResponse + Send,

type Error = Error

fn extract<'life0, 'async_trait>( req: &'life0 mut Request ) -> Pin<Box<dyn Future<Output = Result<(J, K, L), Self::Error>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait,

impl<K, L> FromRequest for (K, L)

where K: FromRequest + Send, L: FromRequest + Send, K::Error: IntoResponse + Send, L::Error: IntoResponse + Send,

type Error = Error

fn extract<'life0, 'async_trait>( req: &'life0 mut Request ) -> Pin<Box<dyn Future<Output = Result<(K, L), Self::Error>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait,

impl<L> FromRequest for (L,)

where L: FromRequest + Send, L::Error: IntoResponse + Send,

type Error = Error

fn extract<'life0, 'async_trait>( req: &'life0 mut Request ) -> Pin<Box<dyn Future<Output = Result<(L,), Self::Error>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait,

impl<T> FromRequest for Option<T>

where T: FromRequest,

type Error = Infallible

fn extract<'life0, 'async_trait>( req: &'life0 mut Request ) -> Pin<Box<dyn Future<Output = Result<Self, Self::Error>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait,

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

where T: FromRequest,

type Error = Infallible

fn extract<'life0, 'async_trait>( req: &'life0 mut Request ) -> Pin<Box<dyn Future<Output = Result<Self, Self::Error>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait,

Implementors

impl FromRequest for CsrfToken

Available on crate feature csrf only.

type Error = Error

impl FromRequest for Cookies

Available on crate feature cookie only.

type Error = CookiesError

impl FromRequest for Limits

Available on crate feature limits only.

type Error = Infallible

impl FromRequest for Session

Available on crate feature session only.

type Error = Infallible

impl FromRequest for WebSocket

Available on crate feature websocket only.

type Error = WebSocketError

impl FromRequest for Multipart

Available on crate feature multipart only.

type Error = PayloadError

impl<T> FromRequest for Form<T>

where T: DeserializeOwned,

Available on crate feature form only.

type Error = PayloadError

impl<T> FromRequest for Header<T>

where T: Header,

type Error = HeaderError

impl<T> FromRequest for Json<T>

where T: DeserializeOwned,

Available on crate feature json only.

type Error = PayloadError

impl<T> FromRequest for Params<T>

where T: DeserializeOwned,

Available on crate feature params only.

type Error = ParamsError

impl<T> FromRequest for Query<T>

where T: DeserializeOwned,

Available on crate feature query only.

type Error = PayloadError

impl<T> FromRequest for State<T>

where T: Clone + Send + Sync + 'static,

Available on crate feature state only.

type Error = StateError