Struct futures_util::future::FlattenSink

source · 
pub struct FlattenSink<Fut, Si> { /* private fields */ }
Expand description

Sink for the flatten_sink method.

Trait Implementations§

source§

impl<Fut, Si> Debug for FlattenSink<Fut, Si>where TryFlatten<Fut, Si>: Debug,

source§

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

Formats the value using the given formatter. Read more
source§

impl<Fut, Si> FusedStream for FlattenSink<Fut, Si>where TryFlatten<Fut, Si>: FusedStream,

source§

fn is_terminated(&self) -> bool

Returns true if the stream should no longer be polled.
source§

impl<_Item, Fut, Si> Sink<_Item> for FlattenSink<Fut, Si>where TryFlatten<Fut, Si>: Sink<_Item>,

§

type Error = <TryFlatten<Fut, Si> as Sink<_Item>>::Error

The type of value produced by the sink when an error occurs.
source§

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
source§

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
source§

fn poll_flush( self: Pin<&mut Self>, cx: &mut Context<'_> ) -> Poll<Result<(), Self::Error>>

Flush any remaining output from this sink. Read more
source§

fn poll_close( self: Pin<&mut Self>, cx: &mut Context<'_> ) -> Poll<Result<(), Self::Error>>

Flush any remaining output and close this sink, if necessary. Read more
source§

impl<Fut, Si> Stream for FlattenSink<Fut, Si>where TryFlatten<Fut, Si>: Stream,

§

type Item = <TryFlatten<Fut, Si> as Stream>::Item

Values yielded by the stream.
source§

fn poll_next( self: Pin<&mut Self>, cx: &mut Context<'_> ) -> Poll<Option<Self::Item>>

Attempt to pull out the next value of this stream, registering the current task for wakeup if the value is not yet available, and returning None if the stream is exhausted. Read more
source§

fn size_hint(&self) -> (usize, Option<usize>)

Returns the bounds on the remaining length of the stream. Read more
source§

impl<'__pin, Fut, Si> Unpin for FlattenSink<Fut, Si>where __Origin<'__pin, Fut, Si>: Unpin,

Auto Trait Implementations§

§

impl<Fut, Si> RefUnwindSafe for FlattenSink<Fut, Si>where Fut: RefUnwindSafe, Si: RefUnwindSafe,

§

impl<Fut, Si> Send for FlattenSink<Fut, Si>where Fut: Send, Si: Send,

§

impl<Fut, Si> Sync for FlattenSink<Fut, Si>where Fut: Sync, Si: Sync,

§

impl<Fut, Si> UnwindSafe for FlattenSink<Fut, Si>where Fut: UnwindSafe, Si: UnwindSafe,

Blanket Implementations§

source§

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

source§

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
source§

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

const: unstable · source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
source§

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

const: unstable · source§

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

Mutably borrows from an owned value. Read more
source§

impl<T> From<T> for T

const: unstable · source§

fn from(t: T) -> T

Returns the argument unchanged.

source§

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

const: unstable · source§

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, Item> SinkExt<Item> for Twhere T: Sink<Item> + ?Sized,

source§

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
source§

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
source§

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.
source§

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
source§

fn buffer(self, capacity: usize) -> Buffer<Self, Item>where Self: Sized,

Adds a fixed-size buffer to the current sink. Read more
source§

fn close(&mut self) -> Close<'_, Self, Item> ⓘwhere Self: Unpin,

Close the sink.
source§

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
source§

fn flush(&mut self) -> Flush<'_, Self, Item> ⓘwhere Self: Unpin,

Flush the sink, processing all pending items. Read more
source§

fn send(&mut self, item: Item) -> Send<'_, Self, Item> ⓘwhere Self: Unpin,

A future that completes after the given item has been fully processed into the sink, including flushing. Read more
source§

fn feed(&mut self, item: Item) -> Feed<'_, Self, Item> ⓘwhere Self: Unpin,

A future that completes after the given item has been received by the sink. Read more
source§

fn send_all<'a, St>(&'a mut self, stream: &'a mut St) -> SendAll<'a, Self, St> ⓘwhere St: TryStream<Ok = Item, Error = Self::Error> + Stream + Unpin + ?Sized, Self: Unpin,

A future that completes after the given stream has been fully processed into the sink, including flushing. Read more
source§

fn left_sink<Si2>(self) -> Either<Self, Si2> ⓘwhere Si2: Sink<Item, Error = Self::Error>, Self: Sized,

Wrap this sink in an Either sink, making it the left-hand variant of that Either. Read more
source§

fn right_sink<Si1>(self) -> Either<Si1, Self> ⓘwhere Si1: Sink<Item, Error = Self::Error>, Self: Sized,

Wrap this stream in an Either stream, making it the right-hand variant of that Either. Read more
source§

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.
source§

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.
source§

fn poll_flush_unpin( &mut self, cx: &mut Context<'_> ) -> Poll<Result<(), Self::Error>>where Self: Unpin,

A convenience method for calling Sink::poll_flush on Unpin sink types.
source§

fn poll_close_unpin( &mut self, cx: &mut Context<'_> ) -> Poll<Result<(), Self::Error>>where Self: Unpin,

A convenience method for calling Sink::poll_close on Unpin sink types.
source§

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

§

type Error = Infallible

The type returned in the event of a conversion error.
const: unstable · source§

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

Performs the conversion.
source§

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

§

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

The type returned in the event of a conversion error.
const: unstable · source§

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

Performs the conversion.
source§

impl<S, T, E> TryStream for Swhere S: Stream<Item = Result<T, E>> + ?Sized,

§

type Ok = T

The type of successful values yielded by this future
§

type Error = E

The type of failures yielded by this future
source§

fn try_poll_next( self: Pin<&mut S>, cx: &mut Context<'_> ) -> Poll<Option<Result<<S as TryStream>::Ok, <S as TryStream>::Error>>>

Poll this TryStream as if it were a Stream. Read more