Struct futures_util::future::FlattenStream
source · [−]pub struct FlattenStream<F> where
F: Future, { /* private fields */ }Expand description
Stream for the flatten_stream method.
Trait Implementations
sourceimpl<F> FusedStream for FlattenStream<F> where
Flatten<F, <F as Future>::Output>: FusedStream,
F: Future,
impl<F> FusedStream for FlattenStream<F> where
Flatten<F, <F as Future>::Output>: FusedStream,
F: Future,
sourcefn is_terminated(&self) -> bool
fn is_terminated(&self) -> bool
Returns true if the stream should no longer be polled.
sourceimpl<_Item, F> Sink<_Item> for FlattenStream<F> where
Flatten<F, <F as Future>::Output>: Sink<_Item>,
F: Future,
impl<_Item, F> Sink<_Item> for FlattenStream<F> where
Flatten<F, <F as Future>::Output>: Sink<_Item>,
F: Future,
type Error = <Flatten<F, <F as Future>::Output> as Sink<_Item>>::Error
type Error = <Flatten<F, <F as Future>::Output> as Sink<_Item>>::Error
The type of value produced by the sink when an error occurs.
sourcefn poll_ready(
self: Pin<&mut Self>,
cx: &mut Context<'_>
) -> Poll<Result<(), Self::Error>>
fn poll_ready(
self: Pin<&mut Self>,
cx: &mut Context<'_>
) -> Poll<Result<(), Self::Error>>
Attempts to prepare the Sink to receive a value. Read more
sourcefn start_send(self: Pin<&mut Self>, item: _Item) -> Result<(), Self::Error>
fn start_send(self: Pin<&mut Self>, item: _Item) -> Result<(), Self::Error>
Begin the process of sending a value to the sink.
Each call to this function must be preceded by a successful call to
poll_ready which returned Poll::Ready(Ok(())). Read more
sourceimpl<F> Stream for FlattenStream<F> where
Flatten<F, <F as Future>::Output>: Stream,
F: Future,
impl<F> Stream for FlattenStream<F> where
Flatten<F, <F as Future>::Output>: Stream,
F: Future,
impl<'__pin, F> Unpin for FlattenStream<F> where
__Origin<'__pin, F>: Unpin,
F: Future,
Auto Trait Implementations
impl<F> RefUnwindSafe for FlattenStream<F> where
F: RefUnwindSafe,
<F as Future>::Output: RefUnwindSafe,
impl<F> Send for FlattenStream<F> where
F: Send,
<F as Future>::Output: Send,
impl<F> Sync for FlattenStream<F> where
F: Sync,
<F as Future>::Output: Sync,
impl<F> UnwindSafe for FlattenStream<F> where
F: UnwindSafe,
<F as Future>::Output: UnwindSafe,
Blanket Implementations
sourceimpl<T> BorrowMut<T> for T where
T: ?Sized,
impl<T> BorrowMut<T> for T where
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
sourceimpl<T, Item> SinkExt<Item> for T where
T: Sink<Item> + ?Sized,
impl<T, Item> SinkExt<Item> for T where
T: Sink<Item> + ?Sized,
sourcefn with<U, Fut, F, E>(self, f: F) -> With<Self, Item, U, Fut, F> where
F: FnMut(U) -> Fut,
Fut: Future<Output = Result<Item, E>>,
E: From<Self::Error>,
Self: Sized,
fn with<U, Fut, F, E>(self, f: F) -> With<Self, Item, U, Fut, F> where
F: FnMut(U) -> Fut,
Fut: Future<Output = Result<Item, E>>,
E: From<Self::Error>,
Self: Sized,
Composes a function in front of the sink. Read more
sourcefn with_flat_map<U, St, F>(self, f: F) -> WithFlatMap<Self, Item, U, St, F> where
F: FnMut(U) -> St,
St: Stream<Item = Result<Item, Self::Error>>,
Self: Sized,
fn with_flat_map<U, St, F>(self, f: F) -> WithFlatMap<Self, Item, U, St, F> where
F: FnMut(U) -> St,
St: Stream<Item = Result<Item, Self::Error>>,
Self: Sized,
Composes a function in front of the sink. Read more
sourcefn sink_map_err<E, F>(self, f: F) -> SinkMapErr<Self, F> where
F: FnOnce(Self::Error) -> E,
Self: Sized,
fn sink_map_err<E, F>(self, f: F) -> SinkMapErr<Self, F> where
F: FnOnce(Self::Error) -> E,
Self: Sized,
Transforms the error returned by the sink.
sourcefn sink_err_into<E>(self) -> SinkErrInto<Self, Item, E> where
Self: Sized,
Self::Error: Into<E>,
fn sink_err_into<E>(self) -> SinkErrInto<Self, Item, E> where
Self: Sized,
Self::Error: Into<E>,
Map this sink’s error to a different error type using the Into trait. Read more
sourcefn buffer(self, capacity: usize) -> Buffer<Self, Item> where
Self: Sized,
fn buffer(self, capacity: usize) -> Buffer<Self, Item> where
Self: Sized,
Adds a fixed-size buffer to the current sink. Read more
sourcefn close(&mut self) -> Close<'_, Self, Item>ⓘNotable traits for Close<'_, Si, Item>impl<Si: Sink<Item> + Unpin + ?Sized, Item> Future for Close<'_, Si, Item> type Output = Result<(), Si::Error>; where
Self: Unpin,
fn close(&mut self) -> Close<'_, Self, Item>ⓘNotable traits for Close<'_, Si, Item>impl<Si: Sink<Item> + Unpin + ?Sized, Item> Future for Close<'_, Si, Item> type Output = Result<(), Si::Error>; where
Self: Unpin,
Close the sink.
sourcefn fanout<Si>(self, other: Si) -> Fanout<Self, Si> where
Self: Sized,
Item: Clone,
Si: Sink<Item, Error = Self::Error>,
fn fanout<Si>(self, other: Si) -> Fanout<Self, Si> where
Self: Sized,
Item: Clone,
Si: Sink<Item, Error = Self::Error>,
Fanout items to multiple sinks. Read more
sourcefn flush(&mut self) -> Flush<'_, Self, Item>ⓘNotable traits for Flush<'_, Si, Item>impl<Si: Sink<Item> + Unpin + ?Sized, Item> Future for Flush<'_, Si, Item> type Output = Result<(), Si::Error>; where
Self: Unpin,
fn flush(&mut self) -> Flush<'_, Self, Item>ⓘNotable traits for Flush<'_, Si, Item>impl<Si: Sink<Item> + Unpin + ?Sized, Item> Future for Flush<'_, Si, Item> type Output = Result<(), Si::Error>; where
Self: Unpin,
Flush the sink, processing all pending items. Read more
sourcefn send(&mut self, item: Item) -> Send<'_, Self, Item>ⓘNotable traits for Send<'_, Si, Item>impl<Si: Sink<Item> + Unpin + ?Sized, Item> Future for Send<'_, Si, Item> type Output = Result<(), Si::Error>; where
Self: Unpin,
fn send(&mut self, item: Item) -> Send<'_, Self, Item>ⓘNotable traits for Send<'_, Si, Item>impl<Si: Sink<Item> + Unpin + ?Sized, Item> Future for Send<'_, Si, Item> type Output = Result<(), Si::Error>; where
Self: Unpin,
A future that completes after the given item has been fully processed into the sink, including flushing. Read more
sourcefn feed(&mut self, item: Item) -> Feed<'_, Self, Item>ⓘNotable traits for Feed<'_, Si, Item>impl<Si: Sink<Item> + Unpin + ?Sized, Item> Future for Feed<'_, Si, Item> type Output = Result<(), Si::Error>; where
Self: Unpin,
fn feed(&mut self, item: Item) -> Feed<'_, Self, Item>ⓘNotable traits for Feed<'_, Si, Item>impl<Si: Sink<Item> + Unpin + ?Sized, Item> Future for Feed<'_, Si, Item> type Output = Result<(), Si::Error>; where
Self: Unpin,
A future that completes after the given item has been received by the sink. Read more
sourcefn send_all<'a, St>(&'a mut self, stream: &'a mut St) -> SendAll<'a, Self, St>ⓘNotable traits for SendAll<'_, Si, St>impl<Si, St, Ok, Error> Future for SendAll<'_, Si, St> where
Si: Sink<Ok, Error = Error> + Unpin + ?Sized,
St: Stream<Item = Result<Ok, Error>> + Unpin + ?Sized, type Output = Result<(), Error>; where
St: TryStream<Ok = Item, Error = Self::Error> + Stream + Unpin + ?Sized,
Self: Unpin,
fn send_all<'a, St>(&'a mut self, stream: &'a mut St) -> SendAll<'a, Self, St>ⓘNotable traits for SendAll<'_, Si, St>impl<Si, St, Ok, Error> Future for SendAll<'_, Si, St> where
Si: Sink<Ok, Error = Error> + Unpin + ?Sized,
St: Stream<Item = Result<Ok, Error>> + Unpin + ?Sized, type Output = Result<(), Error>; where
St: TryStream<Ok = Item, Error = Self::Error> + Stream + Unpin + ?Sized,
Self: Unpin,
Si: Sink<Ok, Error = Error> + Unpin + ?Sized,
St: Stream<Item = Result<Ok, Error>> + Unpin + ?Sized, type Output = Result<(), Error>;
A future that completes after the given stream has been fully processed into the sink, including flushing. Read more
sourcefn left_sink<Si2>(self) -> Either<Self, Si2>ⓘNotable traits for Either<A, B>impl<A, B> Future for Either<A, B> where
A: Future,
B: Future<Output = A::Output>, type Output = A::Output; where
Si2: Sink<Item, Error = Self::Error>,
Self: Sized,
fn left_sink<Si2>(self) -> Either<Self, Si2>ⓘNotable traits for Either<A, B>impl<A, B> Future for Either<A, B> where
A: Future,
B: Future<Output = A::Output>, type Output = A::Output; where
Si2: Sink<Item, Error = Self::Error>,
Self: Sized,
A: Future,
B: Future<Output = A::Output>, type Output = A::Output;
Wrap this sink in an Either sink, making it the left-hand variant
of that Either. Read more
sourcefn right_sink<Si1>(self) -> Either<Si1, Self>ⓘNotable traits for Either<A, B>impl<A, B> Future for Either<A, B> where
A: Future,
B: Future<Output = A::Output>, type Output = A::Output; where
Si1: Sink<Item, Error = Self::Error>,
Self: Sized,
fn right_sink<Si1>(self) -> Either<Si1, Self>ⓘNotable traits for Either<A, B>impl<A, B> Future for Either<A, B> where
A: Future,
B: Future<Output = A::Output>, type Output = A::Output; where
Si1: Sink<Item, Error = Self::Error>,
Self: Sized,
A: Future,
B: Future<Output = A::Output>, type Output = A::Output;
Wrap this stream in an Either stream, making it the right-hand variant
of that Either. Read more
sourcefn poll_ready_unpin(
&mut self,
cx: &mut Context<'_>
) -> Poll<Result<(), Self::Error>> where
Self: Unpin,
fn poll_ready_unpin(
&mut self,
cx: &mut Context<'_>
) -> Poll<Result<(), Self::Error>> where
Self: Unpin,
A convenience method for calling Sink::poll_ready on Unpin
sink types. Read more
sourcefn start_send_unpin(&mut self, item: Item) -> Result<(), Self::Error> where
Self: Unpin,
fn start_send_unpin(&mut self, item: Item) -> Result<(), Self::Error> where
Self: Unpin,
A convenience method for calling Sink::start_send on Unpin
sink types. Read more