Struct actix::fut::StreamFold
source · pub struct StreamFold<S, F, Fut, T>where
Fut: IntoActorFuture,{ /* private fields */ }
Expand description
A future used to collect all the results of a stream into one generic type.
This future is returned by the ActorStream::fold
method.
Trait Implementations§
source§impl<S, F, Fut, T> ActorFuture for StreamFold<S, F, Fut, T>where
S: ActorStream,
F: FnMut(T, S::Item, &mut S::Actor, &mut <S::Actor as Actor>::Context) -> Fut,
Fut: IntoActorFuture<Item = T, Actor = S::Actor>,
S::Error: From<Fut::Error>,
impl<S, F, Fut, T> ActorFuture for StreamFold<S, F, Fut, T>where
S: ActorStream,
F: FnMut(T, S::Item, &mut S::Actor, &mut <S::Actor as Actor>::Context) -> Fut,
Fut: IntoActorFuture<Item = T, Actor = S::Actor>,
S::Error: From<Fut::Error>,
§type Error = <S as ActorStream>::Error
type Error = <S as ActorStream>::Error
The type of error that this future will resolve with if it fails in a
normal fashion. Read more
§type Actor = <S as ActorStream>::Actor
type Actor = <S as ActorStream>::Actor
The actor within which this future runs
fn poll(
&mut self,
act: &mut S::Actor,
ctx: &mut <S::Actor as Actor>::Context
) -> Poll<T, S::Error>
source§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,
Self: Sized,
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,
Self: Sized,
Map this future’s result to a different type, returning a new future of
the resulting type. Read more
source§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,
Self: Sized,
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,
Self: Sized,
Map this future’s error to a different error, returning a new future.
source§fn drop_err(self) -> DropErr<Self>where
Self: Sized,
fn drop_err(self) -> DropErr<Self>where
Self: Sized,
Drop this future’s error, returning a new future.
source§fn from_err<E: From<Self::Error>>(self) -> FromErr<Self, E>where
Self: Sized,
fn from_err<E: From<Self::Error>>(self) -> FromErr<Self, E>where
Self: Sized,
Map this future’s error to any error implementing
From
for
this future’s Error
, returning a new future. Read moresource§fn then<F, B>(self, f: F) -> Then<Self, B, F>where
F: FnOnce(Result<Self::Item, Self::Error>, &mut Self::Actor, &mut <Self::Actor as Actor>::Context) -> B,
B: IntoActorFuture<Actor = Self::Actor>,
Self: Sized,
fn then<F, B>(self, f: F) -> Then<Self, B, F>where
F: FnOnce(Result<Self::Item, Self::Error>, &mut Self::Actor, &mut <Self::Actor as Actor>::Context) -> B,
B: IntoActorFuture<Actor = Self::Actor>,
Self: Sized,
Chain on a computation for when a future finished, passing the result of
the future to the provided closure
f
. Read moreAuto Trait Implementations§
impl<S, F, Fut, T> RefUnwindSafe for StreamFold<S, F, Fut, T>where
F: RefUnwindSafe,
S: RefUnwindSafe,
T: RefUnwindSafe,
<Fut as IntoActorFuture>::Future: RefUnwindSafe,
impl<S, F, Fut, T> Send for StreamFold<S, F, Fut, T>where
F: Send,
S: Send,
T: Send,
<Fut as IntoActorFuture>::Future: Send,
impl<S, F, Fut, T> Sync for StreamFold<S, F, Fut, T>where
F: Sync,
S: Sync,
T: Sync,
<Fut as IntoActorFuture>::Future: Sync,
impl<S, F, Fut, T> Unpin for StreamFold<S, F, Fut, T>where
F: Unpin,
S: Unpin,
T: Unpin,
<Fut as IntoActorFuture>::Future: Unpin,
impl<S, F, Fut, T> UnwindSafe for StreamFold<S, F, Fut, T>where
F: UnwindSafe,
S: UnwindSafe,
T: UnwindSafe,
<Fut as IntoActorFuture>::Future: UnwindSafe,
Blanket Implementations§
source§impl<F> IntoActorFuture for Fwhere
F: ActorFuture,
impl<F> IntoActorFuture for Fwhere
F: ActorFuture,
§type Item = <F as ActorFuture>::Item
type Item = <F as ActorFuture>::Item
The item that the future may resolve with.
§type Error = <F as ActorFuture>::Error
type Error = <F as ActorFuture>::Error
The error that the future may resolve with.
§type Actor = <F as ActorFuture>::Actor
type Actor = <F as ActorFuture>::Actor
The actor within which this future runs
source§fn into_future(self) -> F
fn into_future(self) -> F
Consumes this object and produces a future.