pub struct StreamMap<S, F> { /* private fields */ }
Expand description
A stream combinator which will change the type of a stream from one type to another.
This is produced by the ActorStream::map
method.
Trait Implementations
sourceimpl<S, F, U> ActorStream for StreamMap<S, F>where
S: ActorStream,
F: FnMut(<S as ActorStream>::Item, &mut <S as ActorStream>::Actor, &mut <<S as ActorStream>::Actor as Actor>::Context) -> U,
impl<S, F, U> ActorStream for StreamMap<S, F>where
S: ActorStream,
F: FnMut(<S as ActorStream>::Item, &mut <S as ActorStream>::Actor, &mut <<S as ActorStream>::Actor as Actor>::Context) -> U,
type Item = U
type Item = U
The type of item this stream will yield on success.
type Error = <S as ActorStream>::Error
type Error = <S as ActorStream>::Error
The type of error this stream may generate.
type Actor = <S as ActorStream>::Actor
type Actor = <S as ActorStream>::Actor
The actor within which this stream runs.
fn poll(
&mut self,
act: &mut <StreamMap<S, F> as ActorStream>::Actor,
ctx: &mut <<S as ActorStream>::Actor as Actor>::Context
) -> Result<Async<Option<U>>, <S as ActorStream>::Error>
sourcefn map<U, F>(self, f: F) -> StreamMap<Self, F>where
F: FnMut(Self::Item, &mut Self::Actor, &mut <Self::Actor as Actor>::Context) -> U,
Self: Sized,
fn map<U, F>(self, f: F) -> StreamMap<Self, F>where
F: FnMut(Self::Item, &mut Self::Actor, &mut <Self::Actor as Actor>::Context) -> U,
Self: Sized,
Converts a stream of type
T
to a stream of type U
.sourcefn map_err<E, F>(self, f: F) -> StreamMapErr<Self, F>where
F: FnMut(Self::Error, &mut Self::Actor, &mut <Self::Actor as Actor>::Context) -> E,
Self: Sized,
fn map_err<E, F>(self, f: F) -> StreamMapErr<Self, F>where
F: FnMut(Self::Error, &mut Self::Actor, &mut <Self::Actor as Actor>::Context) -> E,
Self: Sized,
Converts a stream of error type
T
to a stream of error type E
.sourcefn then<F, U>(self, f: F) -> StreamThen<Self, F, U>where
F: FnMut(Result<Self::Item, Self::Error>, &mut Self::Actor, &mut <Self::Actor as Actor>::Context) -> U,
U: IntoActorFuture<Actor = Self::Actor>,
Self: Sized,
fn then<F, U>(self, f: F) -> StreamThen<Self, F, U>where
F: FnMut(Result<Self::Item, Self::Error>, &mut Self::Actor, &mut <Self::Actor as Actor>::Context) -> U,
U: IntoActorFuture<Actor = Self::Actor>,
Self: Sized,
Chain on a computation for when a value is ready, passing the resulting
item to the provided closure
f
. Read moresourcefn and_then<F, U>(self, f: F) -> StreamAndThen<Self, F, U>where
F: FnMut(Self::Item, &mut Self::Actor, &mut <Self::Actor as Actor>::Context) -> U,
U: IntoActorFuture<Error = Self::Error, Actor = Self::Actor>,
Self: Sized,
fn and_then<F, U>(self, f: F) -> StreamAndThen<Self, F, U>where
F: FnMut(Self::Item, &mut Self::Actor, &mut <Self::Actor as Actor>::Context) -> U,
U: IntoActorFuture<Error = Self::Error, Actor = Self::Actor>,
Self: Sized,
Chain on a computation for when a value is ready, passing the successful
results to the provided closure
f
. Read moresourcefn fold<F, T, Fut>(self, init: T, f: F) -> StreamFold<Self, F, Fut, T>where
F: FnMut(T, Self::Item, &mut Self::Actor, &mut <Self::Actor as Actor>::Context) -> Fut,
Fut: IntoActorFuture<Actor = Self::Actor, Item = T>,
Self::Error: From<<Fut as IntoActorFuture>::Error>,
Self: Sized,
fn fold<F, T, Fut>(self, init: T, f: F) -> StreamFold<Self, F, Fut, T>where
F: FnMut(T, Self::Item, &mut Self::Actor, &mut <Self::Actor as Actor>::Context) -> Fut,
Fut: IntoActorFuture<Actor = Self::Actor, Item = T>,
Self::Error: From<<Fut as IntoActorFuture>::Error>,
Self: Sized,
Execute an accumulating computation over a stream, collecting all the
values into one final result. Read more
sourcefn finish(self) -> StreamFinish<Self>where
Self: Sized,
fn finish(self) -> StreamFinish<Self>where
Self: Sized,
Converts a stream to a future that resolves when stream finishes.
Auto Trait Implementations
impl<S, F> RefUnwindSafe for StreamMap<S, F>where
F: RefUnwindSafe,
S: RefUnwindSafe,
impl<S, F> Send for StreamMap<S, F>where
F: Send,
S: Send,
impl<S, F> Sync for StreamMap<S, F>where
F: Sync,
S: Sync,
impl<S, F> Unpin for StreamMap<S, F>where
F: Unpin,
S: Unpin,
impl<S, F> UnwindSafe for StreamMap<S, F>where
F: UnwindSafe,
S: UnwindSafe,
Blanket Implementations
sourceimpl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
const: unstable · sourcefn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more