actix::fut::try_future

Enum MapErr

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pub enum MapErr<Fut, F> {
    Incomplete {
        future: Fut,
        f: F,
    },
    Complete,
}
Expand description

Future for the map method.

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Incomplete

Fields

§future: Fut
§f: F
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Complete

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impl<U, Fut, A, F> ActorFuture<A> for MapErr<Fut, F>
where Fut: ActorTryFuture<A>, A: Actor, F: FnOnce(Fut::Error, &mut A, &mut A::Context) -> U,

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type Output = Result<<Fut as ActorTryFuture<A>>::Ok, U>

The type of value produced on completion.
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fn poll( self: Pin<&mut Self>, act: &mut A, ctx: &mut A::Context, task: &mut Context<'_>, ) -> Poll<Self::Output>

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impl<Fut: Debug, F: Debug> Debug for MapErr<Fut, F>

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

Formats the value using the given formatter. Read more
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impl<'__pin, Fut, F> Unpin for MapErr<Fut, F>
where PinnedFieldsOf<__Origin<'__pin, Fut, F>>: Unpin,

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impl<Fut, F> Freeze for MapErr<Fut, F>
where Fut: Freeze, F: Freeze,

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impl<Fut, F> RefUnwindSafe for MapErr<Fut, F>
where Fut: RefUnwindSafe, F: RefUnwindSafe,

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impl<Fut, F> Send for MapErr<Fut, F>
where Fut: Send, F: Send,

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impl<Fut, F> Sync for MapErr<Fut, F>
where Fut: Sync, F: Sync,

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impl<Fut, F> UnwindSafe for MapErr<Fut, F>
where Fut: UnwindSafe, F: UnwindSafe,

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impl<F, A> ActorFutureExt<A> for F
where F: ActorFuture<A>, A: Actor,

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fn map<F, U>(self, f: F) -> Map<Self, F>
where F: FnOnce(Self::Output, &mut A, &mut A::Context) -> U, Self: Sized,

Map this future’s result to a different type, returning a new future of the resulting type.
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fn then<F, Fut>(self, f: F) -> Then<Self, Fut, F>
where F: FnOnce(Self::Output, &mut A, &mut A::Context) -> Fut, Fut: ActorFuture<A>, Self: Sized,

Chain on a computation for when a future finished, passing the result of the future to the provided closure f.
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fn timeout(self, timeout: Duration) -> Timeout<Self>
where Self: Sized,

Add timeout to futures chain. Read more
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fn boxed_local(self) -> LocalBoxActorFuture<A, Self::Output>
where Self: Sized + 'static,

Wrap the future in a Box, pinning it. Read more
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impl<A, F, T, E> ActorTryFuture<A> for F
where A: Actor, F: ActorFuture<A, Output = Result<T, E>> + ?Sized,

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type Ok = T

The type of successful values yielded by this actor future
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type Error = E

The type of failures yielded by this actor future
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fn try_poll( self: Pin<&mut F>, srv: &mut A, ctx: &mut <A as Actor>::Context, task: &mut Context<'_>, ) -> Poll<<F as ActorFuture<A>>::Output>

Poll this ActorTryFuture as if it were a ActorFuture. Read more
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impl<A, F> ActorTryFutureExt<A> for F
where A: Actor, F: ActorTryFuture<A> + ?Sized,

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fn and_then<Fut, F>(self, f: F) -> AndThen<Self, Fut, F>
where F: FnOnce(Self::Ok, &mut A, &mut A::Context) -> Fut, Fut: ActorTryFuture<A, Error = Self::Error>, Self: Sized,

Executes another actor future after this one resolves successfully. The success value is passed to a closure to create this subsequent actor future. Read more
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fn map_ok<T, F>(self, f: F) -> MapOk<Self, F>
where F: FnOnce(Self::Ok, &mut A, &mut A::Context) -> T, Self: Sized,

Maps this actor future’s success value to a different value. Read more
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fn map_err<T, F>(self, f: F) -> MapErr<Self, F>
where F: FnOnce(Self::Error, &mut A, &mut A::Context) -> T, Self: Sized,

Maps this actor future’s error value to a different value. Read more
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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> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

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

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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.