Form

flams_router_vscode::components::server_fn::axum_export

Struct Form 

pub struct Form<T>(pub T);
Expand description

URL encoded extractor and response.

§As extractor

If used as an extractor, Form will deserialize form data from the request, specifically:

  • If the request has a method of GET or HEAD, the form data will be read from the query string (same as with Query)
  • If the request has a different method, the form will be read from the body of the request. It must have a content-type of application/x-www-form-urlencoded for this to work. If you want to parse multipart/form-data request bodies, use Multipart instead.

This matches how HTML forms are sent by browsers by default. In both cases, the inner type T must implement [serde::Deserialize].

⚠️ Since parsing form data might require consuming the request body, the Form extractor must be last if there are multiple extractors in a handler. See “the order of extractors”

use axum::Form;
use serde::Deserialize;

#[derive(Deserialize)]
struct SignUp {
    username: String,
    password: String,
}

async fn accept_form(Form(sign_up): Form<SignUp>) {
    // ...
}

§As response

Form can also be used to encode any type that implements [serde::Serialize] as application/x-www-form-urlencoded

use axum::Form;
use serde::Serialize;

#[derive(Serialize)]
struct Payload {
    value: String,
}

async fn handler() -> Form<Payload> {
    Form(Payload { value: "foo".to_owned() })
}

Tuple Fields§

§0: T

Trait Implementations§

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

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fn clone(&self) -> Form<T>

Returns a duplicate 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<T> Debug for Form<T>
where T: Debug,

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

Formats the value using the given formatter. Read more
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impl<T> Default for Form<T>
where T: Default,

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fn default() -> Form<T>

Returns the “default value” for a type. Read more
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impl<T> Deref for Form<T>

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type Target = T

The resulting type after dereferencing.
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fn deref(&self) -> &<Form<T> as Deref>::Target

Dereferences the value.
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impl<T> DerefMut for Form<T>

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fn deref_mut(&mut self) -> &mut <Form<T> as Deref>::Target

Mutably dereferences the value.
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impl<T, S> FromRequest<S> for Form<T>
where T: DeserializeOwned, S: Send + Sync,

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type Rejection = FormRejection

If the extractor fails it’ll use this “rejection” type. A rejection is a kind of error that can be converted into a response.
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async fn from_request( req: Request<Body>, _state: &S, ) -> Result<Form<T>, <Form<T> as FromRequest<S>>::Rejection>

Perform the extraction.
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impl<T> IntoResponse for Form<T>
where T: Serialize,

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fn into_response(self) -> Response<Body>

Create a response.
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impl<T> Copy for Form<T>
where T: Copy,

Auto Trait Implementations§

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impl<T> Freeze for Form<T>
where T: Freeze,

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impl<T> RefUnwindSafe for Form<T>
where T: RefUnwindSafe,

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impl<T> Send for Form<T>
where T: Send,

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impl<T> Sync for Form<T>
where T: Sync,

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impl<T> Unpin for Form<T>
where T: Unpin,

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impl<T> UnwindSafe for Form<T>
where T: UnwindSafe,

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impl<T, A, P> Access<T> for P
where A: Access<T> + ?Sized, P: Deref<Target = A>,

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type Guard = <A as Access<T>>::Guard

A guard object containing the value and keeping it alive. Read more
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fn load(&self) -> <P as Access<T>>::Guard

The loading method. Read more
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impl<S, D, Swp, Dwp, T> AdaptInto<D, Swp, Dwp, T> for S
where T: Real + Zero + Arithmetics + Clone, Swp: WhitePoint<T>, Dwp: WhitePoint<T>, D: AdaptFrom<S, Swp, Dwp, T>,

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fn adapt_into_using<M>(self, method: M) -> D
where M: TransformMatrix<T>,

Convert the source color to the destination color using the specified method.
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fn adapt_into(self) -> D

Convert the source color to the destination color using the bradford method by default.
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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<T, C> ArraysFrom<C> for T
where C: IntoArrays<T>,

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fn arrays_from(colors: C) -> T

Cast a collection of colors into a collection of arrays.
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impl<T, C> ArraysInto<C> for T
where C: FromArrays<T>,

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fn arrays_into(self) -> C

Cast this collection of arrays into a collection of colors.
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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<WpParam, T, U> Cam16IntoUnclamped<WpParam, T> for U
where T: FromCam16Unclamped<WpParam, U>,

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type Scalar = <T as FromCam16Unclamped<WpParam, U>>::Scalar

The number type that’s used in parameters when converting.
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fn cam16_into_unclamped( self, parameters: BakedParameters<WpParam, <U as Cam16IntoUnclamped<WpParam, T>>::Scalar>, ) -> T

Converts self into C, using the provided parameters.
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unsafe fn clone_to_uninit(&self, dest: *mut u8)

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Performs copy-assignment from self to dest. Read more
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impl<T, C> ComponentsFrom<C> for T
where C: IntoComponents<T>,

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fn components_from(colors: C) -> T

Cast a collection of colors into a collection of color components.
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where T: Any,

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fn into_any(self: Box<T>) -> Box<dyn Any>

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fn into_any_rc(self: Rc<T>) -> Rc<dyn Any>

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where Request: Req<E> + Send + 'static, Encoding: Decodes<T>, E: FromServerFnError,

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async fn from_req(req: Request) -> Result<T, E>

Attempts to deserialize the arguments from a request.
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impl<E, T, Request, Encoding> FromReq<Post<Encoding>, Request, E> for T
where Request: Req<E> + Send + 'static, Encoding: Decodes<T>, E: FromServerFnError,

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async fn from_req(req: Request) -> Result<T, E>

Attempts to deserialize the arguments from a request.
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impl<E, T, Request, Encoding> FromReq<Put<Encoding>, Request, E> for T
where Request: Req<E> + Send + 'static, Encoding: Decodes<T>, E: FromServerFnError,

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async fn from_req(req: Request) -> Result<T, E>

Attempts to deserialize the arguments from a request.
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impl<E, Encoding, Response, T> FromRes<Patch<Encoding>, Response, E> for T
where Response: ClientRes<E> + Send, Encoding: Decodes<T>, E: FromServerFnError,

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async fn from_res(res: Response) -> Result<T, E>

Attempts to deserialize the outputs from a response.
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impl<E, Encoding, Response, T> FromRes<Post<Encoding>, Response, E> for T
where Response: ClientRes<E> + Send, Encoding: Decodes<T>, E: FromServerFnError,

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async fn from_res(res: Response) -> Result<T, E>

Attempts to deserialize the outputs from a response.
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impl<E, Encoding, Response, T> FromRes<Put<Encoding>, Response, E> for T
where Response: ClientRes<E> + Send, Encoding: Decodes<T>, E: FromServerFnError,

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async fn from_res(res: Response) -> Result<T, E>

Attempts to deserialize the outputs from a response.
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impl<T, U> FromStimulus<U> for T
where U: IntoStimulus<T>,

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fn from_stimulus(other: U) -> T

Converts other into Self, while performing the appropriate scaling, rounding and clamping.
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impl<T, S> Handler<IntoResponseHandler, S> for T
where T: IntoResponse + Clone + Send + Sync + 'static,

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type Future = Ready<Response<Body>>

The type of future calling this handler returns.
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fn call( self, _req: Request<Body>, _state: S, ) -> <T as Handler<IntoResponseHandler, S>>::Future

Call the handler with the given request.
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fn layer<L>(self, layer: L) -> Layered<L, Self, T, S>
where L: Layer<HandlerService<Self, T, S>> + Clone, <L as Layer<HandlerService<Self, T, S>>>::Service: Service<Request<Body>>,

Apply a [tower::Layer] to the handler. Read more
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fn with_state(self, state: S) -> HandlerService<Self, T, S>

Convert the handler into a [Service] by providing the state
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where H: Handler<T, ()>,

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Convert the handler into a [Service] and no state.
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fn into_make_service(self) -> IntoMakeService<HandlerService<H, T, ()>>

Convert the handler into a MakeService and no state. Read more
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fn into_make_service_with_connect_info<C>( self, ) -> IntoMakeServiceWithConnectInfo<HandlerService<H, T, ()>, C>

Available on crate feature tokio only.
Convert the handler into a MakeService which stores information about the incoming connection and has no state. Read more
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Instruments this type with the provided [Span], returning an Instrumented wrapper. Read more
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Calls U::from(self).

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fn into_angle(self) -> U

Performs a conversion into T.
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where T: Cam16FromUnclamped<WpParam, U>,

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type Scalar = <T as Cam16FromUnclamped<WpParam, U>>::Scalar

The number type that’s used in parameters when converting.
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fn into_cam16_unclamped( self, parameters: BakedParameters<WpParam, <U as IntoCam16Unclamped<WpParam, T>>::Scalar>, ) -> T

Converts self into C, using the provided parameters.
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impl<T, U> IntoColor<U> for T
where U: FromColor<T>,

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fn into_color(self) -> U

Convert into T with values clamped to the color defined bounds Read more
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where U: FromColorUnclamped<T>,

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fn into_color_unclamped(self) -> U

Convert into T. The resulting color might be invalid in its color space Read more
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Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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Converts self into a T.
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impl<E, T, Encoding, Request> IntoReq<Patch<Encoding>, Request, E> for T
where Request: ClientReq<E>, Encoding: Encodes<T>, E: FromServerFnError,

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fn into_req(self, path: &str, accepts: &str) -> Result<Request, E>

Attempts to serialize the arguments into an HTTP request.
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impl<E, T, Encoding, Request> IntoReq<Post<Encoding>, Request, E> for T
where Request: ClientReq<E>, Encoding: Encodes<T>, E: FromServerFnError,

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fn into_req(self, path: &str, accepts: &str) -> Result<Request, E>

Attempts to serialize the arguments into an HTTP request.
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impl<E, T, Encoding, Request> IntoReq<Put<Encoding>, Request, E> for T
where Request: ClientReq<E>, Encoding: Encodes<T>, E: FromServerFnError,

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fn into_req(self, path: &str, accepts: &str) -> Result<Request, E>

Attempts to serialize the arguments into an HTTP request.
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impl<E, Response, Encoding, T> IntoRes<Patch<Encoding>, Response, E> for T
where Response: TryRes<E>, Encoding: Encodes<T>, E: FromServerFnError + Send, T: Send,

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async fn into_res(self) -> Result<Response, E>

Attempts to serialize the output into an HTTP response.
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impl<E, Response, Encoding, T> IntoRes<Post<Encoding>, Response, E> for T
where Response: TryRes<E>, Encoding: Encodes<T>, E: FromServerFnError + Send, T: Send,

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async fn into_res(self) -> Result<Response, E>

Attempts to serialize the output into an HTTP response.
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impl<E, Response, Encoding, T> IntoRes<Put<Encoding>, Response, E> for T
where Response: TryRes<E>, Encoding: Encodes<T>, E: FromServerFnError + Send, T: Send,

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async fn into_res(self) -> Result<Response, E>

Attempts to serialize the output into an HTTP response.
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fn into_stimulus(self) -> T

Converts self into T, while performing the appropriate scaling, rounding and clamping.
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const ALIGN: usize

The alignment of pointer.
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type Init = T

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unsafe fn init(init: <T as Pointable>::Init) -> usize

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Create a new Policy that returns [Action::Follow] only if self and other return Action::Follow. Read more
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type Error = <C as TryFromComponents<T>>::Error

The error for when try_into_colors fails to cast.
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Try to cast this collection of color components into a collection of colors. Read more
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Convert into T, returning ok if the color is inside of its defined range, otherwise an OutOfBounds error is returned which contains the unclamped color. Read more
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type Error = Infallible

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Return the next random u32.
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Return the next random u64.
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Fill dest entirely with random data.
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fn uints_from(colors: C) -> U

Cast a collection of colors into a collection of unsigned integers.
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fn uints_into(self) -> C

Cast this collection of unsigned integers into a collection of colors.
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