Enum actix::fut::future::Then

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pub enum Then<A, B, F> {
    First {
        fut1: A,
        data: Option<F>,
    },
    Second {
        fut2: B,
    },
    Empty,
}

Expand description

Future for the then combinator, chaining computations on the end of another future regardless of its outcome.

This is created by the ActorFuture::then method.

Variants

`First`

Fields

fut1: A

data: Option<F>

`Second`

Fields

fut2: B

`Empty`

Trait Implementations

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impl<A, B, F, Act> ActorFuture<Act> for Then<A, B, F> where
 A: ActorFuture<Act>,
 B: ActorFuture<Act>,
 F: FnOnce(A::Output, &mut Act, &mut Act::Context) -> B,
 Act: Actor,

type Output = B::Output

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

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fn poll(
 self: Pin<&mut Self>,
 act: &mut Act,
 ctx: &mut Act::Context,
 task: &mut Context<'_>
) -> Poll<B::Output>

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impl<A: Debug, B: Debug, F: Debug> Debug for Then<A, B, 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, A, B, F> Unpin for Then<A, B, F> where
Origin<'__pin, A, B, F>: Unpin,

Auto Trait Implementations

impl<A, B, F> RefUnwindSafe for Then<A, B, F> where
 A: RefUnwindSafe,
 B: RefUnwindSafe,
 F: RefUnwindSafe,

impl<A, B, F> Send for Then<A, B, F> where
 A: Send,
 B: Send,
 F: Send,

impl<A, B, F> Sync for Then<A, B, F> where
 A: Sync,
 B: Sync,
 F: Sync,

impl<A, B, F> UnwindSafe for Then<A, B, F> where
 A: UnwindSafe,
 B: UnwindSafe,
 F: UnwindSafe,

Blanket Implementations

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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. Read more

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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. Read more

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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,

type Ok = T

The type of successful values yielded by this actor future

type Error = E

The type of failures yielded by this actor future

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fn try_poll(
 self: Pin<&mut Self>,
 srv: &mut A,
 ctx: &mut A::Context,
 task: &mut Context<'_>
) -> Poll<F::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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pub 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,

const: unstable · source

pub 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,

const: unstable · source

pub 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

const: unstable · source

pub fn from(t: T) -> T

Returns the argument unchanged.

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

const: unstable · source

pub fn into(self) -> U

Calls U::from(self).

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

source

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

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

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

Performs the conversion.

source

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

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

pub fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

Enum actix::fut::future::Then

Variants

First

Fields

Second

Fields

Empty

Trait Implementations

impl<A, B, F, Act> ActorFuture<Act> for Then<A, B, F> where A: ActorFuture<Act>, B: ActorFuture<Act>, F: FnOnce(A::Output, &mut Act, &mut Act::Context) -> B, Act: Actor,

type Output = B::Output

fn poll( self: Pin<&mut Self>, act: &mut Act, ctx: &mut Act::Context, task: &mut Context<'_>) -> Poll<B::Output>

impl<A: Debug, B: Debug, F: Debug> Debug for Then<A, B, F>

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

impl<'__pin, A, B, F> Unpin for Then<A, B, F> where __Origin<'__pin, A, B, F>: Unpin,

Auto Trait Implementations

impl<A, B, F> RefUnwindSafe for Then<A, B, F> where A: RefUnwindSafe, B: RefUnwindSafe, F: RefUnwindSafe,

impl<A, B, F> Send for Then<A, B, F> where A: Send, B: Send, F: Send,

impl<A, B, F> Sync for Then<A, B, F> where A: Sync, B: Sync, F: Sync,

impl<A, B, F> UnwindSafe for Then<A, B, F> where A: UnwindSafe, B: UnwindSafe, F: UnwindSafe,

Blanket Implementations

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

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

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,

fn timeout(self, timeout: Duration) -> Timeout<Self> where Self: Sized,

fn boxed_local(self) -> LocalBoxActorFuture<A, Self::Output> where Self: Sized + 'static,

impl<A, F, T, E> ActorTryFuture<A> for F where A: Actor, F: ActorFuture<A, Output = Result<T, E>> + ?Sized,

type Ok = T

type Error = E

fn try_poll( self: Pin<&mut Self>, srv: &mut A, ctx: &mut A::Context, task: &mut Context<'_>) -> Poll<F::Output>

impl<A, F> ActorTryFutureExt<A> for F where A: Actor, F: ActorTryFuture<A> + ?Sized,

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,

fn map_ok<T, F>(self, f: F) -> MapOk<Self, F> where F: FnOnce(Self::Ok, &mut A, &mut A::Context) -> T, Self: Sized,

fn map_err<T, F>(self, f: F) -> MapErr<Self, F> where F: FnOnce(Self::Error, &mut A, &mut A::Context) -> T, Self: Sized,

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

pub fn type_id(&self) -> TypeId

impl<T> Borrow<T> for T where T: ?Sized,

pub fn borrow(&self) -> &T

impl<T> BorrowMut<T> for T where T: ?Sized,

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

impl<T> From<T> for T

pub fn from(t: T) -> T

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

pub fn into(self) -> U

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

type Error = Infallible

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

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

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

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

`First`

`Second`

`Empty`

impl<A, B, F, Act> ActorFuture<Act> for Then<A, B, F> where
A: ActorFuture<Act>,
B: ActorFuture<Act>,
F: FnOnce(A::Output, &mut Act, &mut Act::Context) -> B,
Act: Actor,

fn poll(
self: Pin<&mut Self>,
act: &mut Act,
ctx: &mut Act::Context,
task: &mut Context<'_>
) -> Poll<B::Output>

impl<'pin, A, B, F> Unpin for Then<A, B, F> where
Origin<'__pin, A, B, F>: Unpin,

impl<A, B, F> RefUnwindSafe for Then<A, B, F> where
A: RefUnwindSafe,
B: RefUnwindSafe,
F: RefUnwindSafe,

impl<A, B, F> Send for Then<A, B, F> where
A: Send,
B: Send,
F: Send,

impl<A, B, F> Sync for Then<A, B, F> where
A: Sync,
B: Sync,
F: Sync,

impl<A, B, F> UnwindSafe for Then<A, B, F> where
A: UnwindSafe,
B: UnwindSafe,
F: UnwindSafe,

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

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

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,

fn timeout(self, timeout: Duration) -> Timeout<Self> where
Self: Sized,

fn boxed_local(self) -> LocalBoxActorFuture<A, Self::Output> where
Self: Sized + 'static,

impl<A, F, T, E> ActorTryFuture<A> for F where
A: Actor,
F: ActorFuture<A, Output = Result<T, E>> + ?Sized,

fn try_poll(
self: Pin<&mut Self>,
srv: &mut A,
ctx: &mut A::Context,
task: &mut Context<'_>
) -> Poll<F::Output>

impl<A, F> ActorTryFutureExt<A> for F where
A: Actor,
F: ActorTryFuture<A> + ?Sized,

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,

fn map_ok<T, F>(self, f: F) -> MapOk<Self, F> where
F: FnOnce(Self::Ok, &mut A, &mut A::Context) -> T,
Self: Sized,

fn map_err<T, F>(self, f: F) -> MapErr<Self, F> where
F: FnOnce(Self::Error, &mut A, &mut A::Context) -> T,
Self: Sized,

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

impl<T> Borrow<T> for T where
T: ?Sized,

impl<T> BorrowMut<T> for T where
T: ?Sized,

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

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

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