Struct `FromFn`

struct FromFn<F, S, I, T> { ... }

A middleware created from an async function.

Created with from_fn or from_fn_with_state. See those functions for more details.

Implementations

`impl<F, Fut, Out, S, I, T1> Service for FromFn<F, S, I, (T1)>`

fn poll_ready(self: &mut Self, cx: &mut Context<'_>) -> Poll<Result<(), <Self as >::Error>>
fn call(self: &mut Self, req: Request) -> <Self as >::Future

`impl<F, Fut, Out, S, I, T1, T2> Service for FromFn<F, S, I, (T1, T2)>`

fn poll_ready(self: &mut Self, cx: &mut Context<'_>) -> Poll<Result<(), <Self as >::Error>>
fn call(self: &mut Self, req: Request) -> <Self as >::Future

`impl<F, Fut, Out, S, I, T1, T2, T3> Service for FromFn<F, S, I, (T1, T2, T3)>`

fn poll_ready(self: &mut Self, cx: &mut Context<'_>) -> Poll<Result<(), <Self as >::Error>>
fn call(self: &mut Self, req: Request) -> <Self as >::Future

`impl<F, Fut, Out, S, I, T1, T2, T3, T4> Service for FromFn<F, S, I, (T1, T2, T3, T4)>`

fn poll_ready(self: &mut Self, cx: &mut Context<'_>) -> Poll<Result<(), <Self as >::Error>>
fn call(self: &mut Self, req: Request) -> <Self as >::Future

`impl<F, Fut, Out, S, I, T1, T2, T3, T4, T5> Service for FromFn<F, S, I, (T1, T2, T3, T4, T5)>`

fn poll_ready(self: &mut Self, cx: &mut Context<'_>) -> Poll<Result<(), <Self as >::Error>>
fn call(self: &mut Self, req: Request) -> <Self as >::Future

`impl<F, Fut, Out, S, I, T1, T2, T3, T4, T5, T6> Service for FromFn<F, S, I, (T1, T2, T3, T4, T5, T6)>`

fn poll_ready(self: &mut Self, cx: &mut Context<'_>) -> Poll<Result<(), <Self as >::Error>>
fn call(self: &mut Self, req: Request) -> <Self as >::Future

`impl<F, Fut, Out, S, I, T1, T2, T3, T4, T5, T6, T7> Service for FromFn<F, S, I, (T1, T2, T3, T4, T5, T6, T7)>`

fn poll_ready(self: &mut Self, cx: &mut Context<'_>) -> Poll<Result<(), <Self as >::Error>>
fn call(self: &mut Self, req: Request) -> <Self as >::Future

`impl<F, Fut, Out, S, I, T1, T2, T3, T4, T5, T6, T7, T8> Service for FromFn<F, S, I, (T1, T2, T3, T4, T5, T6, T7, T8)>`

fn poll_ready(self: &mut Self, cx: &mut Context<'_>) -> Poll<Result<(), <Self as >::Error>>
fn call(self: &mut Self, req: Request) -> <Self as >::Future

`impl<F, Fut, Out, S, I, T1, T2, T3, T4, T5, T6, T7, T8, T9> Service for FromFn<F, S, I, (T1, T2, T3, T4, T5, T6, T7, T8, T9)>`

fn poll_ready(self: &mut Self, cx: &mut Context<'_>) -> Poll<Result<(), <Self as >::Error>>
fn call(self: &mut Self, req: Request) -> <Self as >::Future

`impl<F, Fut, Out, S, I, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10> Service for FromFn<F, S, I, (T1, T2, T3, T4, T5, T6, T7, T8, T9, T10)>`

fn poll_ready(self: &mut Self, cx: &mut Context<'_>) -> Poll<Result<(), <Self as >::Error>>
fn call(self: &mut Self, req: Request) -> <Self as >::Future

`impl<F, Fut, Out, S, I, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11> Service for FromFn<F, S, I, (T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11)>`

fn poll_ready(self: &mut Self, cx: &mut Context<'_>) -> Poll<Result<(), <Self as >::Error>>
fn call(self: &mut Self, req: Request) -> <Self as >::Future

`impl<F, Fut, Out, S, I, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12> Service for FromFn<F, S, I, (T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12)>`

fn poll_ready(self: &mut Self, cx: &mut Context<'_>) -> Poll<Result<(), <Self as >::Error>>
fn call(self: &mut Self, req: Request) -> <Self as >::Future

`impl<F, Fut, Out, S, I, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13> Service for FromFn<F, S, I, (T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13)>`

fn poll_ready(self: &mut Self, cx: &mut Context<'_>) -> Poll<Result<(), <Self as >::Error>>
fn call(self: &mut Self, req: Request) -> <Self as >::Future

`impl<F, Fut, Out, S, I, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14> Service for FromFn<F, S, I, (T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14)>`

fn poll_ready(self: &mut Self, cx: &mut Context<'_>) -> Poll<Result<(), <Self as >::Error>>
fn call(self: &mut Self, req: Request) -> <Self as >::Future

`impl<F, Fut, Out, S, I, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15> Service for FromFn<F, S, I, (T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15)>`

fn poll_ready(self: &mut Self, cx: &mut Context<'_>) -> Poll<Result<(), <Self as >::Error>>
fn call(self: &mut Self, req: Request) -> <Self as >::Future

`impl<F, Fut, Out, S, I, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16> Service for FromFn<F, S, I, (T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16)>`

fn poll_ready(self: &mut Self, cx: &mut Context<'_>) -> Poll<Result<(), <Self as >::Error>>
fn call(self: &mut Self, req: Request) -> <Self as >::Future

`impl<F, S, I, T> Clone for FromFn<F, S, I, T>`

fn clone(self: &Self) -> Self

`impl<F, S, I, T> Debug for FromFn<F, S, I, T>`

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

`impl<F, S, I, T> Freeze for FromFn<F, S, I, T>`

`impl<F, S, I, T> RefUnwindSafe for FromFn<F, S, I, T>`

`impl<F, S, I, T> Send for FromFn<F, S, I, T>`

`impl<F, S, I, T> Sync for FromFn<F, S, I, T>`

`impl<F, S, I, T> Unpin for FromFn<F, S, I, T>`

`impl<F, S, I, T> UnsafeUnpin for FromFn<F, S, I, T>`

`impl<F, S, I, T> UnwindSafe for FromFn<F, S, I, T>`

`impl<M, S, Target, Request> MakeService for FromFn<F, S, I, T>`

fn poll_ready(self: &mut Self, cx: &mut Context<'_>) -> Poll<Result<(), <M as MakeService<Target, Request>>::MakeError>>
fn make_service(self: &mut Self, target: Target) -> <M as MakeService<Target, Request>>::Future

`impl<S, R> ServiceExt for FromFn<F, S, I, T>`

fn into_make_service(self: Self) -> IntoMakeService<S>
fn into_make_service_with_connect_info<C>(self: Self) -> IntoMakeServiceWithConnectInfo<S, C>

`impl<T> Any for FromFn<F, S, I, T>`

fn type_id(self: &Self) -> TypeId

`impl<T> Borrow for FromFn<F, S, I, T>`

fn borrow(self: &Self) -> &T

`impl<T> BorrowMut for FromFn<F, S, I, T>`

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

`impl<T> CloneToUninit for FromFn<F, S, I, T>`

unsafe fn clone_to_uninit(self: &Self, dest: *mut u8)

`impl<T> From for FromFn<F, S, I, T>`

fn from(t: T) -> T: Returns the argument unchanged.

`impl<T> FromRef for FromFn<F, S, I, T>`

fn from_ref(input: &T) -> T

`impl<T> Instrument for FromFn<F, S, I, T>`

`impl<T> Same for FromFn<F, S, I, T>`

`impl<T> ToOwned for FromFn<F, S, I, T>`

fn to_owned(self: &Self) -> T
fn clone_into(self: &Self, target: &mut T)

`impl<T> WithSubscriber for FromFn<F, S, I, T>`

`impl<T, Request> ServiceExt for FromFn<F, S, I, T>`

`impl<T, U> Into for FromFn<F, S, I, T>`

fn into(self: Self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of [From]<T> for U chooses to do.

`impl<T, U> TryFrom for FromFn<F, S, I, T>`

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

`impl<T, U> TryInto for FromFn<F, S, I, T>`

fn try_into(self: Self) -> Result<U, <U as TryFrom<T>>::Error>

`impl<V, T> VZip for FromFn<F, S, I, T>`

fn vzip(self: Self) -> V