Struct actix::fut::StreamFold
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#[must_use = "streams do nothing unless polled"]pub struct StreamFold<S, F, Fut, T> where
Fut: IntoActorFuture, { /* fields omitted */ }
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
impl<S: Debug, F: Debug, Fut: Debug, T: Debug> Debug for StreamFold<S, F, Fut, T> where
Fut: IntoActorFuture,
Fut::Future: Debug,
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Fut: IntoActorFuture,
Fut::Future: Debug,
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>,
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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 Item = T
The type of value that this future will resolved with if it is successful. Read more
type Error = S::Error
The type of error that this future will resolve with if it fails in a normal fashion. Read more
type Actor = S::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>
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&mut self,
act: &mut S::Actor,
ctx: &mut <S::Actor as Actor>::Context
) -> Poll<T, S::Error>
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,
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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
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,
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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.
fn drop_err(self) -> DropErr<Self> where
Self: Sized,
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Self: Sized,
Drop this future's error, returning a new future.
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,
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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 more
fn and_then<F, B>(self, f: F) -> AndThen<Self, B, F> where
F: FnOnce(Self::Item, &mut Self::Actor, &mut <Self::Actor as Actor>::Context) -> B,
B: IntoActorFuture<Error = Self::Error, Actor = Self::Actor>,
Self: Sized,
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F: FnOnce(Self::Item, &mut Self::Actor, &mut <Self::Actor as Actor>::Context) -> B,
B: IntoActorFuture<Error = Self::Error, Actor = Self::Actor>,
Self: Sized,
Execute another future after this one has resolved successfully.