[−][src]Struct actix_web::actix::fut::FromErr

#[must_use = "futures do nothing unless polled"]

pub struct FromErr<A, E> where
    A: ActorFuture,  { /* fields omitted */ }

Future for the from_err combinator, changing the error type of a future.

This is created by the Future::from_err method.

Trait Implementations

impl<A, E> ActorFuture for FromErr<A, E> where
    A: ActorFuture,
    E: From<<A as ActorFuture>::Error>, [src]

type Item = <A as ActorFuture>::Item

The type of value that this future will resolved with if it is successful. Read more

type Error = E

The type of error that this future will resolve with if it fails in a normal fashion. Read more

type Actor = <A as ActorFuture>::Actor

The actor within which this future runs

fn map<F, U>(self, f: F) -> Map<Self, F> where
    F: FnOnce(Self::Item, &mut Self::Actor, &mut <Self::Actor as Actor>::Context) -> U, [src]

Map this future's result to a different type, returning a new future of the resulting type. Read more

fn map_err<F, E>(self, f: F) -> MapErr<Self, F> where
    F: FnOnce(Self::Error, &mut Self::Actor, &mut <Self::Actor as Actor>::Context) -> E, [src]

Map this future's error to a different error, returning a new future.

fn drop_err(self) -> DropErr<Self>[src]

Drop this future's error, returning a new future.

fn from_err<E>(self) -> FromErr<Self, E> where
    E: From<Self::Error>, [src]

Map this future's error to any error implementing From for this future's Error, returning a new future. Read more

fn then<F, B>(self, f: F) -> Then<Self, B, F> where
    B: IntoActorFuture<Actor = Self::Actor>,
    F: FnOnce(Result<Self::Item, Self::Error>, &mut Self::Actor, &mut <Self::Actor as Actor>::Context) -> B, [src]

Chain on a computation for when a future finished, passing the result of the future to the provided closure f. Read more

fn and_then<F, B>(self, f: F) -> AndThen<Self, B, F> where
    B: IntoActorFuture<Error = Self::Error, Actor = Self::Actor>,
    F: FnOnce(Self::Item, &mut Self::Actor, &mut <Self::Actor as Actor>::Context) -> B, [src]

Execute another future after this one has resolved successfully.

fn timeout(self, timeout: Duration, err: Self::Error) -> Timeout<Self>[src]

Add timeout to futures chain. Read more

impl<A, E> Debug for FromErr<A, E> where
    A: Debug + ActorFuture,
    E: Debug, [src]

Auto Trait Implementations

impl<A, E> Send for FromErr<A, E> where
    A: Send,
    E: Send, 

impl<A, E> Sync for FromErr<A, E> where
    A: Sync,
    E: Sync, 

Blanket Implementations

impl<T, U> Into for T where
    U: From<T>, [src]

impl<T> From for T[src]

impl<T, U> TryFrom for T where
    U: Into<T>, [src]

type Error = Infallible

The type returned in the event of a conversion error.

impl<T> Borrow for T where
    T: ?Sized, [src]

impl<T> Any for T where
    T: 'static + ?Sized, [src]

impl<T> BorrowMut for T where
    T: ?Sized, [src]

impl<T, U> TryInto for T where
    U: TryFrom<T>, [src]

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

impl<T> Erased for T

impl<A, T> ContextFutureSpawner for T where
    A: Actor,
    T: ActorFuture<Item = (), Error = (), Actor = A> + 'static,
    <A as Actor>::Context: AsyncContext<A>, [src]

impl<F> IntoActorFuture for F where
    F: ActorFuture, [src]

type Future = F

The future that this type can be converted into.

type Item = <F as ActorFuture>::Item

The item that the future may resolve with.

type Error = <F as ActorFuture>::Error

The error that the future may resolve with.

type Actor = <F as ActorFuture>::Actor

The actor within which this future runs