Struct futures::prelude::stream::Flatten

source · [−]

pub struct Flatten<St> where
    St: Stream,  { /* private fields */ }

Expand description

Stream for the flatten method.

Implementations

source

impl<St> Flatten<St> where
St: Stream,

source

pub fn get_ref(&self) -> &St

Acquires a reference to the underlying sink or stream that this combinator is pulling from.

source

pub fn get_mut(&mut self) -> &mut St

Acquires a mutable reference to the underlying sink or stream that this combinator is pulling from.

Note that care must be taken to avoid tampering with the state of the sink or stream which may otherwise confuse this combinator.

source

pub fn get_pin_mut(self: Pin<&mut Flatten<St>>) -> Pin<&mut St>ⓘ
Notable traits for Pin
`impl Future for Pin where P: DerefMut, ::Target: Future, type Output = <::Target as Future>::Output;`

Acquires a pinned mutable reference to the underlying sink or stream that this combinator is pulling from.

Note that care must be taken to avoid tampering with the state of the sink or stream which may otherwise confuse this combinator.

source

pub fn into_inner(self) -> St

Consumes this combinator, returning the underlying sink or stream.

Note that this may discard intermediate state of this combinator, so care should be taken to avoid losing resources when this is called.

Trait Implementations

source

impl<St> Debug for Flatten<St> where
St: Stream,
Flatten<St, <St as Stream>::Item>: Debug,

source

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

Formats the value using the given formatter. Read more

source

impl<St> FusedStream for Flatten<St> where
St: Stream,
Flatten<St, <St as Stream>::Item>: FusedStream,

source

pub fn is_terminated(&self) -> bool

Returns true if the stream should no longer be polled.

source

impl<_Item, St> Sink<_Item> for Flatten<St> where
St: Stream,
Flatten<St, <St as Stream>::Item>: Sink<_Item>,

type Error = <Flatten<St, <St as Stream>::Item> as Sink<_Item>>::Error

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

source

pub fn poll_ready(
self: Pin<&mut Flatten<St>>,
cx: &mut Context<'_>
) -> Poll<Result<(), <Flatten<St> as Sink<_Item>>::Error>>

Attempts to prepare the Sink to receive a value. Read more

source

pub fn start_send(
self: Pin<&mut Flatten<St>>,
item: _Item
) -> Result<(), <Flatten<St> as Sink<_Item>>::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

pub fn poll_flush(
self: Pin<&mut Flatten<St>>,
cx: &mut Context<'_>
) -> Poll<Result<(), <Flatten<St> as Sink<_Item>>::Error>>

Flush any remaining output from this sink. Read more

source

pub fn poll_close(
self: Pin<&mut Flatten<St>>,
cx: &mut Context<'_>
) -> Poll<Result<(), <Flatten<St> as Sink<_Item>>::Error>>

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

source

impl<St> Stream for Flatten<St> where
St: Stream,
Flatten<St, <St as Stream>::Item>: Stream,

type Item = <Flatten<St, <St as Stream>::Item> as Stream>::Item

Values yielded by the stream.

source

pub fn poll_next(
self: Pin<&mut Flatten<St>>,
cx: &mut Context<'_>
) -> Poll<Option<<Flatten<St> as Stream>::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

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

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

source

impl<'pin, St> Unpin for Flatten<St> where
St: Stream,
Origin<'__pin, St>: Unpin,

Auto Trait Implementations

impl<St> RefUnwindSafe for Flatten<St> where
St: RefUnwindSafe,
<St as Stream>::Item: RefUnwindSafe,

impl<St> Send for Flatten<St> where
St: Send,
<St as Stream>::Item: Send,

impl<St> Sync for Flatten<St> where
St: Sync,
<St as Stream>::Item: Sync,

impl<St> UnwindSafe for Flatten<St> where
St: UnwindSafe,
<St as Stream>::Item: UnwindSafe,

Blanket Implementations

source

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

source

pub fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

source

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

const: unstable · source

pub fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

source

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

const: unstable · source

pub 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

pub fn from(t: T) -> T

Performs the conversion.

source

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

const: unstable · source

pub fn into(self) -> U

Performs the conversion.

source

impl<T, Item> SinkExt<Item> for T where
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>,

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>>,

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,

Transforms the error returned by the sink.

source

fn sink_err_into<E>(self) -> SinkErrInto<Self, Item, E> where
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>

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

source

fn close(&mut self) -> Close<'_, Self, Item>ⓘ
Notable traits for Close<'_, Si, Item>
`impl<'_, Si, Item> Future for Close<'_, Si, Item> where Si: Sink<Item> + Unpin + ?Sized, type Output = Result<(), <Si as Sink<Item>>::Error>;`
where
Self: Unpin,

Close the sink.

source

fn fanout<Si>(self, other: Si) -> Fanout<Self, Si> where
Item: Clone,
Si: Sink<Item, Error = Self::Error>,

Fanout items to multiple sinks. Read more

source

fn flush(&mut self) -> Flush<'_, Self, Item>ⓘ
Notable traits for Flush<'_, Si, Item>
`impl<'_, Si, Item> Future for Flush<'_, Si, Item> where Si: Sink<Item> + Unpin + ?Sized, type Output = Result<(), <Si as Sink<Item>>::Error>;`
where
Self: Unpin,

Flush the sink, processing all pending items. Read more

source

fn send(&mut self, item: Item) -> Send<'_, Self, Item>ⓘ
Notable traits for Send<'_, Si, Item>
`impl<'_, Si, Item> Future for Send<'_, Si, Item> where Si: Sink<Item> + Unpin + ?Sized, type Output = Result<(), <Si as Sink<Item>>::Error>;`
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>ⓘ
Notable traits for Feed<'_, Si, Item>
`impl<'_, Si, Item> Future for Feed<'_, Si, Item> where Si: Sink<Item> + Unpin + ?Sized, type Output = Result<(), <Si as Sink<Item>>::Error>;`
where
Self: Unpin,

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

source

fn send_all<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,

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>ⓘ
Notable traits for Either<A, B>
`impl<A, B> Future for Either<A, B> where A: Future, B: Future<Output = <A as Future>::Output>, type Output = <A as Future>::Output;`
where
Si2: Sink<Item, Error = Self::Error>,

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>ⓘ
Notable traits for Either<A, B>
`impl<A, B> Future for Either<A, B> where A: Future, B: Future<Output = <A as Future>::Output>, type Output = <A as Future>::Output;`
where
Si1: Sink<Item, Error = Self::Error>,

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. Read more

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. Read more

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. Read more

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. Read more

source

impl<T> StreamExt for T where
T: Stream + ?Sized,

source

fn next(&mut self) -> Next<'_, Self>ⓘ
Notable traits for Next<'_, St>
`impl<'_, St> Future for Next<'_, St> where St: Stream + Unpin + ?Sized, type Output = Option<<St as Stream>::Item>;`
where
Self: Unpin,

Creates a future that resolves to the next item in the stream. Read more

source

fn into_future(self) -> StreamFuture<Self>ⓘ
Notable traits for StreamFuture<St>
`impl<St> Future for StreamFuture<St> where St: Stream + Unpin, type Output = (Option<<St as Stream>::Item>, St);`
where
Self: Unpin,

Converts this stream into a future of (next_item, tail_of_stream). If the stream terminates, then the next item is None. Read more

source

fn map<T, F>(self, f: F) -> Map<Self, F> where
F: FnMut(Self::Item) -> T,

Maps this stream’s items to a different type, returning a new stream of the resulting type. Read more

source

fn enumerate(self) -> Enumerate<Self>

Creates a stream which gives the current iteration count as well as the next value. Read more

source

fn filter<Fut, F>(self, f: F) -> Filter<Self, Fut, F> where
F: FnMut(&Self::Item) -> Fut,
Fut: Future<Output = bool>,

Filters the values produced by this stream according to the provided asynchronous predicate. Read more

source

fn filter_map<Fut, T, F>(self, f: F) -> FilterMap<Self, Fut, F> where
F: FnMut(Self::Item) -> Fut,
Fut: Future<Output = Option<T>>,

Filters the values produced by this stream while simultaneously mapping them to a different type according to the provided asynchronous closure. Read more

source

fn then<Fut, F>(self, f: F) -> Then<Self, Fut, F> where
F: FnMut(Self::Item) -> Fut,
Fut: Future,

Computes from this stream’s items new items of a different type using an asynchronous closure. Read more

source

fn collect<C>(self) -> Collect<Self, C>ⓘ
Notable traits for Collect<St, C>
`impl<St, C> Future for Collect<St, C> where St: Stream, C: Default + Extend<<St as Stream>::Item>, type Output = C;`
where
C: Default + Extend<Self::Item>,

Transforms a stream into a collection, returning a future representing the result of that computation. Read more

source

fn unzip<A, B, FromA, FromB>(self) -> Unzip<Self, FromA, FromB>ⓘ
Notable traits for Unzip<St, FromA, FromB>
`impl<St, A, B, FromA, FromB> Future for Unzip<St, FromA, FromB> where St: Stream<Item = (A, B)>, FromA: Default + Extend<A>, FromB: Default + Extend, type Output = (FromA, FromB);`
where
 FromA: Default + Extend<A>,
 FromB: Default + Extend,
 Self: Stream<Item = (A, B)>,

Converts a stream of pairs into a future, which resolves to pair of containers. Read more

source

fn concat(self) -> Concat<Self>ⓘ
Notable traits for Concat<St>
`impl<St> Future for Concat<St> where St: Stream, <St as Stream>::Item: Extend<<<St as Stream>::Item as IntoIterator>::Item>, <St as Stream>::Item: IntoIterator, <St as Stream>::Item: Default, type Output = <St as Stream>::Item;`
where
 Self::Item: Extend<<Self::Item as IntoIterator>::Item>,
 Self::Item: IntoIterator,
 Self::Item: Default,

Concatenate all items of a stream into a single extendable destination, returning a future representing the end result. Read more

source

fn count(self) -> Count<Self>

Drives the stream to completion, counting the number of items. Read more

source

fn cycle(self) -> Cycle<Self> where
Self: Clone,

Repeats a stream endlessly. Read more

source

fn fold<T, Fut, F>(self, init: T, f: F) -> Fold<Self, Fut, T, F>ⓘ
Notable traits for Fold<St, Fut, T, F>
`impl<St, Fut, T, F> Future for Fold<St, Fut, T, F> where St: Stream, F: FnMut(T, <St as Stream>::Item) -> Fut, Fut: Future<Output = T>, type Output = T;`
where
 F: FnMut(T, Self::Item) -> Fut,
 Fut: Future<Output = T>,

Execute an accumulating asynchronous computation over a stream, collecting all the values into one final result. Read more

source

fn any<Fut, F>(self, f: F) -> Any<Self, Fut, F> where
F: FnMut(Self::Item) -> Fut,
Fut: Future<Output = bool>,

Execute predicate over asynchronous stream, and return true if any element in stream satisfied a predicate. Read more

source

fn all<Fut, F>(self, f: F) -> All<Self, Fut, F> where
F: FnMut(Self::Item) -> Fut,
Fut: Future<Output = bool>,

Execute predicate over asynchronous stream, and return true if all element in stream satisfied a predicate. Read more

source

fn flatten(self) -> Flatten<Self> where
Self::Item: Stream,

Flattens a stream of streams into just one continuous stream. Read more

source

fn flat_map<U, F>(self, f: F) -> FlatMap<Self, U, F> where
F: FnMut(Self::Item) -> U,
U: Stream,

Maps a stream like StreamExt::map but flattens nested Streams. Read more

source

fn scan<S, B, Fut, F>(self, initial_state: S, f: F) -> Scan<Self, S, Fut, F> where
F: FnMut(&mut S, Self::Item) -> Fut,
Fut: Future<Output = Option>,

Combinator similar to StreamExt::fold that holds internal state and produces a new stream. Read more

source

fn skip_while<Fut, F>(self, f: F) -> SkipWhile<Self, Fut, F> where
F: FnMut(&Self::Item) -> Fut,
Fut: Future<Output = bool>,

Skip elements on this stream while the provided asynchronous predicate resolves to true. Read more

source

fn take_while<Fut, F>(self, f: F) -> TakeWhile<Self, Fut, F> where
F: FnMut(&Self::Item) -> Fut,
Fut: Future<Output = bool>,

Take elements from this stream while the provided asynchronous predicate resolves to true. Read more

source

fn take_until<Fut>(self, fut: Fut) -> TakeUntil<Self, Fut> where
Fut: Future,

Take elements from this stream until the provided future resolves. Read more

source

fn for_each<Fut, F>(self, f: F) -> ForEach<Self, Fut, F>ⓘ
Notable traits for ForEach<St, Fut, F>
`impl<St, Fut, F> Future for ForEach<St, Fut, F> where St: Stream, F: FnMut(<St as Stream>::Item) -> Fut, Fut: Future<Output = ()>, type Output = ();`
where
 F: FnMut(Self::Item) -> Fut,
 Fut: Future<Output = ()>,

Runs this stream to completion, executing the provided asynchronous closure for each element on the stream. Read more

source

fn for_each_concurrent<Fut, F>(
 self,
 limit: impl Into<Option<usize>>,
 f: F
) -> ForEachConcurrent<Self, Fut, F>ⓘ
Notable traits for ForEachConcurrent<St, Fut, F>
`impl<St, Fut, F> Future for ForEachConcurrent<St, Fut, F> where St: Stream, F: FnMut(<St as Stream>::Item) -> Fut, Fut: Future<Output = ()>, type Output = ();`
where
 F: FnMut(Self::Item) -> Fut,
 Fut: Future<Output = ()>,

Runs this stream to completion, executing the provided asynchronous closure for each element on the stream concurrently as elements become available. Read more

source

fn take(self, n: usize) -> Take<Self>

Creates a new stream of at most n items of the underlying stream. Read more

source

fn skip(self, n: usize) -> Skip<Self>

Creates a new stream which skips n items of the underlying stream. Read more

source

fn fuse(self) -> Fuse<Self>

Fuse a stream such that poll_next will never again be called once it has finished. This method can be used to turn any Stream into a FusedStream. Read more

source

fn by_ref(&mut self) -> &mut Self

Borrows a stream, rather than consuming it. Read more

source

fn catch_unwind(self) -> CatchUnwind<Self> where
Self: UnwindSafe,

Catches unwinding panics while polling the stream. Read more

source

fn boxed<'a>(
 self
) -> Pin<Box<dyn Stream<Item = Self::Item> + Send + 'a, Global>>ⓘ
Notable traits for Pin
`impl Future for Pin where P: DerefMut, ::Target: Future, type Output = <::Target as Future>::Output;`
where
 Self: 'a + Send,

Wrap the stream in a Box, pinning it. Read more

source

fn boxed_local<'a>(self) -> Pin<Box<dyn Stream<Item = Self::Item> + 'a, Global>>ⓘ
Notable traits for Pin
`impl Future for Pin where P: DerefMut, ::Target: Future, type Output = <::Target as Future>::Output;`
where
Self: 'a,

Wrap the stream in a Box, pinning it. Read more

source

fn buffered(self, n: usize) -> Buffered<Self> where
Self::Item: Future,

An adaptor for creating a buffered list of pending futures. Read more

source

fn buffer_unordered(self, n: usize) -> BufferUnordered<Self> where
Self::Item: Future,

An adaptor for creating a buffered list of pending futures (unordered). Read more

source

fn zip<St>(self, other: St) -> Zip<Self, St> where
St: Stream,

An adapter for zipping two streams together. Read more

source

fn chain<St>(self, other: St) -> Chain<Self, St> where
St: Stream<Item = Self::Item>,

Adapter for chaining two streams. Read more

source

fn peekable(self) -> Peekable<Self>

Creates a new stream which exposes a peek method. Read more

source

fn chunks(self, capacity: usize) -> Chunks<Self>

An adaptor for chunking up items of the stream inside a vector. Read more

source

fn ready_chunks(self, capacity: usize) -> ReadyChunks<Self>

An adaptor for chunking up ready items of the stream inside a vector. Read more

source

fn forward<S>(self, sink: S) -> Forward<Self, S>ⓘ
Notable traits for Forward<St, Si>
`impl<St, Si> Future for Forward<St, Si> where St: TryStream, Forward<St, Si, <St as TryStream>::Ok>: Future, type Output = <Forward<St, Si, <St as TryStream>::Ok> as Future>::Output;`
where
 S: Sink<Self::Ok, Error = Self::Error>,
 Self: TryStream,

A future that completes after the given stream has been fully processed into the sink and the sink has been flushed and closed. Read more

source

fn split<Item>(self) -> (SplitSink<Self, Item>, SplitStream<Self>) where
Self: Sink<Item>,

Splits this Stream + Sink object into separate Sink and Stream objects. Read more

source

fn inspect<F>(self, f: F) -> Inspect<Self, F> where
F: FnMut(&Self::Item),

Do something with each item of this stream, afterwards passing it on. Read more

source

fn left_stream(self) -> Either<Self, B>ⓘ
Notable traits for Either<A, B>
`impl<A, B> Future for Either<A, B> where A: Future, B: Future<Output = <A as Future>::Output>, type Output = <A as Future>::Output;`
where
B: Stream<Item = Self::Item>,

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

source

fn right_stream(self) -> Either<B, Self>ⓘ
Notable traits for Either<A, B>
`impl<A, B> Future for Either<A, B> where A: Future, B: Future<Output = <A as Future>::Output>, type Output = <A as Future>::Output;`
where
B: Stream<Item = Self::Item>,

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

source

fn poll_next_unpin(&mut self, cx: &mut Context<'_>) -> Poll<Option<Self::Item>> where
Self: Unpin,

A convenience method for calling Stream::poll_next on Unpin stream types. Read more

source

fn select_next_some(&mut self) -> SelectNextSome<'_, Self>ⓘ
Notable traits for SelectNextSome<'_, St>
`impl<'_, St> Future for SelectNextSome<'_, St> where St: FusedStream + Unpin + ?Sized, type Output = <St as Stream>::Item;`
where
Self: Unpin + FusedStream,

Returns a Future that resolves when the next item in this stream is ready. Read more

source

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

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

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

Performs the conversion.

source

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

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

pub fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

source

impl<S, T, E> TryStream for S where
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

pub 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

source

impl<S> TryStreamExt for S where
S: TryStream + ?Sized,

source

fn err_into<E>(self) -> ErrInto<Self, E> where
Self::Error: Into<E>,

Wraps the current stream in a new stream which converts the error type into the one provided. Read more

source

fn map_ok<T, F>(self, f: F) -> MapOk<Self, F> where
F: FnMut(Self::Ok) -> T,

Wraps the current stream in a new stream which maps the success value using the provided closure. Read more

source

fn map_err<E, F>(self, f: F) -> MapErr<Self, F> where
F: FnMut(Self::Error) -> E,

Wraps the current stream in a new stream which maps the error value using the provided closure. Read more

source

fn and_then<Fut, F>(self, f: F) -> AndThen<Self, Fut, F> where
F: FnMut(Self::Ok) -> Fut,
Fut: TryFuture<Error = Self::Error>,

Chain on a computation for when a value is ready, passing the successful results to the provided closure f. Read more

source

fn or_else<Fut, F>(self, f: F) -> OrElse<Self, Fut, F> where
F: FnMut(Self::Error) -> Fut,
Fut: TryFuture<Ok = Self::Ok>,

Chain on a computation for when an error happens, passing the erroneous result to the provided closure f. Read more

source

fn inspect_ok<F>(self, f: F) -> InspectOk<Self, F> where
F: FnMut(&Self::Ok),

Do something with the success value of this stream, afterwards passing it on. Read more

source

fn inspect_err<F>(self, f: F) -> InspectErr<Self, F> where
F: FnMut(&Self::Error),

Do something with the error value of this stream, afterwards passing it on. Read more

source

fn into_stream(self) -> IntoStream<Self>

Wraps a TryStream into a type that implements Stream Read more

source

fn try_next(&mut self) -> TryNext<'_, Self>ⓘ
Notable traits for TryNext<'_, St>
`impl<'_, St> Future for TryNext<'_, St> where St: TryStream + Unpin + ?Sized, type Output = Result<Option<<St as TryStream>::Ok>, <St as TryStream>::Error>;`
where
Self: Unpin,

Creates a future that attempts to resolve the next item in the stream. If an error is encountered before the next item, the error is returned instead. Read more

source

fn try_for_each<Fut, F>(self, f: F) -> TryForEach<Self, Fut, F>ⓘ
Notable traits for TryForEach<St, Fut, F>
`impl<St, Fut, F> Future for TryForEach<St, Fut, F> where St: TryStream, F: FnMut(<St as TryStream>::Ok) -> Fut, Fut: TryFuture<Ok = (), Error = <St as TryStream>::Error>, type Output = Result<(), <St as TryStream>::Error>;`
where
 F: FnMut(Self::Ok) -> Fut,
 Fut: TryFuture<Ok = (), Error = Self::Error>,

Attempts to run this stream to completion, executing the provided asynchronous closure for each element on the stream. Read more

source

fn try_skip_while<Fut, F>(self, f: F) -> TrySkipWhile<Self, Fut, F> where
F: FnMut(&Self::Ok) -> Fut,
Fut: TryFuture<Ok = bool, Error = Self::Error>,

Skip elements on this stream while the provided asynchronous predicate resolves to true. Read more

source

fn try_take_while<Fut, F>(self, f: F) -> TryTakeWhile<Self, Fut, F> where
F: FnMut(&Self::Ok) -> Fut,
Fut: TryFuture<Ok = bool, Error = Self::Error>,

Take elements on this stream while the provided asynchronous predicate resolves to true. Read more

source

fn try_for_each_concurrent<Fut, F>(
 self,
 limit: impl Into<Option<usize>>,
 f: F
) -> TryForEachConcurrent<Self, Fut, F>ⓘ
Notable traits for TryForEachConcurrent<St, Fut, F>
`impl<St, Fut, F> Future for TryForEachConcurrent<St, Fut, F> where St: TryStream, F: FnMut(<St as TryStream>::Ok) -> Fut, Fut: Future<Output = Result<(), <St as TryStream>::Error>>, type Output = Result<(), <St as TryStream>::Error>;`
where
 F: FnMut(Self::Ok) -> Fut,
 Fut: Future<Output = Result<(), Self::Error>>,

Attempts to run this stream to completion, executing the provided asynchronous closure for each element on the stream concurrently as elements become available, exiting as soon as an error occurs. Read more

source

fn try_collect<C>(self) -> TryCollect<Self, C>ⓘ
Notable traits for TryCollect<St, C>
`impl<St, C> Future for TryCollect<St, C> where St: TryStream, C: Default + Extend<<St as TryStream>::Ok>, type Output = Result<C, <St as TryStream>::Error>;`
where
C: Default + Extend<Self::Ok>,

Attempt to transform a stream into a collection, returning a future representing the result of that computation. Read more

source

fn try_chunks(self, capacity: usize) -> TryChunks<Self>

An adaptor for chunking up successful items of the stream inside a vector. Read more

source

fn try_filter<Fut, F>(self, f: F) -> TryFilter<Self, Fut, F> where
Fut: Future<Output = bool>,
F: FnMut(&Self::Ok) -> Fut,

Attempt to filter the values produced by this stream according to the provided asynchronous closure. Read more

source

fn try_filter_map<Fut, F, T>(self, f: F) -> TryFilterMap<Self, Fut, F> where
Fut: TryFuture<Ok = Option<T>, Error = Self::Error>,
F: FnMut(Self::Ok) -> Fut,

Attempt to filter the values produced by this stream while simultaneously mapping them to a different type according to the provided asynchronous closure. Read more

source

fn try_flatten(self) -> TryFlatten<Self> where
Self::Ok: TryStream,
<Self::Ok as TryStream>::Error: From<Self::Error>,

Flattens a stream of streams into just one continuous stream. Read more

source

fn try_fold<T, Fut, F>(self, init: T, f: F) -> TryFold<Self, Fut, T, F>ⓘ
Notable traits for TryFold<St, Fut, T, F>
`impl<St, Fut, T, F> Future for TryFold<St, Fut, T, F> where St: TryStream, F: FnMut(T, <St as TryStream>::Ok) -> Fut, Fut: TryFuture<Ok = T, Error = <St as TryStream>::Error>, type Output = Result<T, <St as TryStream>::Error>;`
where
 F: FnMut(T, Self::Ok) -> Fut,
 Fut: TryFuture<Ok = T, Error = Self::Error>,

Attempt to execute an accumulating asynchronous computation over a stream, collecting all the values into one final result. Read more

source

fn try_concat(self) -> TryConcat<Self>ⓘ
Notable traits for TryConcat<St>
`impl<St> Future for TryConcat<St> where St: TryStream, <St as TryStream>::Ok: Extend<<<St as TryStream>::Ok as IntoIterator>::Item>, <St as TryStream>::Ok: IntoIterator, <St as TryStream>::Ok: Default, type Output = Result<<St as TryStream>::Ok, <St as TryStream>::Error>;`
where
 Self::Ok: Extend<<Self::Ok as IntoIterator>::Item>,
 Self::Ok: IntoIterator,
 Self::Ok: Default,

Attempt to concatenate all items of a stream into a single extendable destination, returning a future representing the end result. Read more

source

fn try_buffer_unordered(self, n: usize) -> TryBufferUnordered<Self> where
Self::Ok: TryFuture,
<Self::Ok as TryFuture>::Error == Self::Error,

Attempt to execute several futures from a stream concurrently (unordered). Read more

source

fn try_buffered(self, n: usize) -> TryBuffered<Self> where
Self::Ok: TryFuture,
<Self::Ok as TryFuture>::Error == Self::Error,

Attempt to execute several futures from a stream concurrently. Read more

source

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

A convenience method for calling TryStream::try_poll_next on Unpin stream types. Read more

source

fn into_async_read(self) -> IntoAsyncRead<Self> where
Self: TryStreamExt<Error = Error> + Unpin,
Self::Ok: AsRef<[u8 ]>,

Adapter that converts this stream into an AsyncRead. Read more

Struct futures::prelude::stream::Flatten

Implementations

impl<St> Flatten<St> where St: Stream,

pub fn get_ref(&self) -> &St

pub fn get_mut(&mut self) -> &mut St

pub fn get_pin_mut(self: Pin<&mut Flatten<St>>) -> Pin<&mut St>ⓘNotable traits for Pin<P>impl<P> Future for Pin<P> where P: DerefMut, <P as Deref>::Target: Future, type Output = <<P as Deref>::Target as Future>::Output;

pub fn into_inner(self) -> St

Trait Implementations

impl<St> Debug for Flatten<St> where St: Stream, Flatten<St, <St as Stream>::Item>: Debug,

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

impl<St> FusedStream for Flatten<St> where St: Stream, Flatten<St, <St as Stream>::Item>: FusedStream,

pub fn is_terminated(&self) -> bool

impl<_Item, St> Sink<_Item> for Flatten<St> where St: Stream, Flatten<St, <St as Stream>::Item>: Sink<_Item>,

type Error = <Flatten<St, <St as Stream>::Item> as Sink<_Item>>::Error

pub fn poll_ready( self: Pin<&mut Flatten<St>>, cx: &mut Context<'_>) -> Poll<Result<(), <Flatten<St> as Sink<_Item>>::Error>>

pub fn start_send( self: Pin<&mut Flatten<St>>, item: _Item) -> Result<(), <Flatten<St> as Sink<_Item>>::Error>

pub fn poll_flush( self: Pin<&mut Flatten<St>>, cx: &mut Context<'_>) -> Poll<Result<(), <Flatten<St> as Sink<_Item>>::Error>>

pub fn poll_close( self: Pin<&mut Flatten<St>>, cx: &mut Context<'_>) -> Poll<Result<(), <Flatten<St> as Sink<_Item>>::Error>>

impl<St> Stream for Flatten<St> where St: Stream, Flatten<St, <St as Stream>::Item>: Stream,

type Item = <Flatten<St, <St as Stream>::Item> as Stream>::Item

pub fn poll_next( self: Pin<&mut Flatten<St>>, cx: &mut Context<'_>) -> Poll<Option<<Flatten<St> as Stream>::Item>>

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

impl<'__pin, St> Unpin for Flatten<St> where St: Stream, __Origin<'__pin, St>: Unpin,

Auto Trait Implementations

impl<St> RefUnwindSafe for Flatten<St> where St: RefUnwindSafe, <St as Stream>::Item: RefUnwindSafe,

impl<St> Send for Flatten<St> where St: Send, <St as Stream>::Item: Send,

impl<St> Sync for Flatten<St> where St: Sync, <St as Stream>::Item: Sync,

impl<St> UnwindSafe for Flatten<St> where St: UnwindSafe, <St as Stream>::Item: UnwindSafe,

Blanket Implementations

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

pub fn type_id(&self) -> TypeId

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

pub fn borrow(&self) -> &T

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

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

impl<T> From<T> for T

pub fn from(t: T) -> T

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

pub fn into(self) -> U

impl<T, Item> SinkExt<Item> for T where T: Sink<Item> + ?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>,

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>>,

fn sink_map_err<E, F>(self, f: F) -> SinkMapErr<Self, F> where F: FnOnce(Self::Error) -> E,

fn sink_err_into<E>(self) -> SinkErrInto<Self, Item, E> where Self::Error: Into<E>,

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

fn close(&mut self) -> Close<'_, Self, Item>ⓘNotable traits for Close<'_, Si, Item>impl<'_, Si, Item> Future for Close<'_, Si, Item> where Si: Sink<Item> + Unpin + ?Sized, type Output = Result<(), <Si as Sink<Item>>::Error>; where Self: Unpin,

fn fanout<Si>(self, other: Si) -> Fanout<Self, Si> where Item: Clone, Si: Sink<Item, Error = Self::Error>,

fn flush(&mut self) -> Flush<'_, Self, Item>ⓘNotable traits for Flush<'_, Si, Item>impl<'_, Si, Item> Future for Flush<'_, Si, Item> where Si: Sink<Item> + Unpin + ?Sized, type Output = Result<(), <Si as Sink<Item>>::Error>; where Self: Unpin,

fn send(&mut self, item: Item) -> Send<'_, Self, Item>ⓘNotable traits for Send<'_, Si, Item>impl<'_, Si, Item> Future for Send<'_, Si, Item> where Si: Sink<Item> + Unpin + ?Sized, type Output = Result<(), <Si as Sink<Item>>::Error>; where Self: Unpin,

fn feed(&mut self, item: Item) -> Feed<'_, Self, Item>ⓘNotable traits for Feed<'_, Si, Item>impl<'_, Si, Item> Future for Feed<'_, Si, Item> where Si: Sink<Item> + Unpin + ?Sized, type Output = Result<(), <Si as Sink<Item>>::Error>; where Self: Unpin,

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 as Future>::Output>, type Output = <A as Future>::Output; where Si2: Sink<Item, Error = Self::Error>,

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 as Future>::Output>, type Output = <A as Future>::Output; where Si1: Sink<Item, Error = Self::Error>,

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

fn start_send_unpin(&mut self, item: Item) -> Result<(), Self::Error> where Self: Unpin,

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

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

impl<T> StreamExt for T where T: Stream + ?Sized,

fn next(&mut self) -> Next<'_, Self>ⓘNotable traits for Next<'_, St>impl<'_, St> Future for Next<'_, St> where St: Stream + Unpin + ?Sized, type Output = Option<<St as Stream>::Item>; where Self: Unpin,

fn into_future(self) -> StreamFuture<Self>ⓘNotable traits for StreamFuture<St>impl<St> Future for StreamFuture<St> where St: Stream + Unpin, type Output = (Option<<St as Stream>::Item>, St); where Self: Unpin,

fn map<T, F>(self, f: F) -> Map<Self, F> where F: FnMut(Self::Item) -> T,

fn enumerate(self) -> Enumerate<Self>

fn filter<Fut, F>(self, f: F) -> Filter<Self, Fut, F> where F: FnMut(&Self::Item) -> Fut, Fut: Future<Output = bool>,

fn filter_map<Fut, T, F>(self, f: F) -> FilterMap<Self, Fut, F> where F: FnMut(Self::Item) -> Fut, Fut: Future<Output = Option<T>>,

fn then<Fut, F>(self, f: F) -> Then<Self, Fut, F> where F: FnMut(Self::Item) -> Fut, Fut: Future,

fn collect<C>(self) -> Collect<Self, C>ⓘNotable traits for Collect<St, C>impl<St, C> Future for Collect<St, C> where St: Stream, C: Default + Extend<<St as Stream>::Item>, type Output = C; where C: Default + Extend<Self::Item>,

fn count(self) -> Count<Self>

fn cycle(self) -> Cycle<Self> where Self: Clone,

fn any<Fut, F>(self, f: F) -> Any<Self, Fut, F> where F: FnMut(Self::Item) -> Fut, Fut: Future<Output = bool>,

fn all<Fut, F>(self, f: F) -> All<Self, Fut, F> where F: FnMut(Self::Item) -> Fut, Fut: Future<Output = bool>,

fn flatten(self) -> Flatten<Self> where Self::Item: Stream,

fn flat_map<U, F>(self, f: F) -> FlatMap<Self, U, F> where F: FnMut(Self::Item) -> U, U: Stream,

fn scan<S, B, Fut, F>(self, initial_state: S, f: F) -> Scan<Self, S, Fut, F> where F: FnMut(&mut S, Self::Item) -> Fut, Fut: Future<Output = Option<B>>,

fn skip_while<Fut, F>(self, f: F) -> SkipWhile<Self, Fut, F> where F: FnMut(&Self::Item) -> Fut, Fut: Future<Output = bool>,

fn take_while<Fut, F>(self, f: F) -> TakeWhile<Self, Fut, F> where F: FnMut(&Self::Item) -> Fut, Fut: Future<Output = bool>,

fn take_until<Fut>(self, fut: Fut) -> TakeUntil<Self, Fut> where Fut: Future,

fn take(self, n: usize) -> Take<Self>

fn skip(self, n: usize) -> Skip<Self>

fn fuse(self) -> Fuse<Self>

fn by_ref(&mut self) -> &mut Self

fn catch_unwind(self) -> CatchUnwind<Self> where Self: UnwindSafe,

impl<St> Flatten<St> where
St: Stream,

pub fn get_pin_mut(self: Pin<&mut Flatten<St>>) -> Pin<&mut St>ⓘ
Notable traits for Pin<P>
`impl<P> Future for Pin<P> where P: DerefMut, <P as Deref>::Target: Future, type Output = <<P as Deref>::Target as Future>::Output;`

impl<St> Debug for Flatten<St> where
St: Stream,
Flatten<St, <St as Stream>::Item>: Debug,

impl<St> FusedStream for Flatten<St> where
St: Stream,
Flatten<St, <St as Stream>::Item>: FusedStream,

impl<_Item, St> Sink<_Item> for Flatten<St> where
St: Stream,
Flatten<St, <St as Stream>::Item>: Sink<_Item>,

pub fn poll_ready(
self: Pin<&mut Flatten<St>>,
cx: &mut Context<'_>
) -> Poll<Result<(), <Flatten<St> as Sink<_Item>>::Error>>

pub fn start_send(
self: Pin<&mut Flatten<St>>,
item: _Item
) -> Result<(), <Flatten<St> as Sink<_Item>>::Error>

pub fn poll_flush(
self: Pin<&mut Flatten<St>>,
cx: &mut Context<'_>
) -> Poll<Result<(), <Flatten<St> as Sink<_Item>>::Error>>

pub fn poll_close(
self: Pin<&mut Flatten<St>>,
cx: &mut Context<'_>
) -> Poll<Result<(), <Flatten<St> as Sink<_Item>>::Error>>

impl<St> Stream for Flatten<St> where
St: Stream,
Flatten<St, <St as Stream>::Item>: Stream,

pub fn poll_next(
self: Pin<&mut Flatten<St>>,
cx: &mut Context<'_>
) -> Poll<Option<<Flatten<St> as Stream>::Item>>

impl<'pin, St> Unpin for Flatten<St> where
St: Stream,
Origin<'__pin, St>: Unpin,

impl<St> RefUnwindSafe for Flatten<St> where
St: RefUnwindSafe,
<St as Stream>::Item: RefUnwindSafe,

impl<St> Send for Flatten<St> where
St: Send,
<St as Stream>::Item: Send,

impl<St> Sync for Flatten<St> where
St: Sync,
<St as Stream>::Item: Sync,

impl<St> UnwindSafe for Flatten<St> where
St: UnwindSafe,
<St as Stream>::Item: UnwindSafe,

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

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

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

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

impl<T, Item> SinkExt<Item> for T where
T: Sink<Item> + ?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>,

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>>,

fn sink_map_err<E, F>(self, f: F) -> SinkMapErr<Self, F> where
F: FnOnce(Self::Error) -> E,

fn sink_err_into<E>(self) -> SinkErrInto<Self, Item, E> where
Self::Error: Into<E>,

fn close(&mut self) -> Close<'_, Self, Item>ⓘ
Notable traits for Close<'_, Si, Item>
`impl<'_, Si, Item> Future for Close<'_, Si, Item> where Si: Sink<Item> + Unpin + ?Sized, type Output = Result<(), <Si as Sink<Item>>::Error>;`
where
Self: Unpin,

fn fanout<Si>(self, other: Si) -> Fanout<Self, Si> where
Item: Clone,
Si: Sink<Item, Error = Self::Error>,

fn flush(&mut self) -> Flush<'_, Self, Item>ⓘ
Notable traits for Flush<'_, Si, Item>
`impl<'_, Si, Item> Future for Flush<'_, Si, Item> where Si: Sink<Item> + Unpin + ?Sized, type Output = Result<(), <Si as Sink<Item>>::Error>;`
where
Self: Unpin,

fn send(&mut self, item: Item) -> Send<'_, Self, Item>ⓘ
Notable traits for Send<'_, Si, Item>
`impl<'_, Si, Item> Future for Send<'_, Si, Item> where Si: Sink<Item> + Unpin + ?Sized, type Output = Result<(), <Si as Sink<Item>>::Error>;`
where
Self: Unpin,

fn feed(&mut self, item: Item) -> Feed<'_, Self, Item>ⓘ
Notable traits for Feed<'_, Si, Item>
`impl<'_, Si, Item> Future for Feed<'_, Si, Item> where Si: Sink<Item> + Unpin + ?Sized, type Output = Result<(), <Si as Sink<Item>>::Error>;`
where
Self: Unpin,

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 as Future>::Output>, type Output = <A as Future>::Output;`
where
Si2: Sink<Item, Error = Self::Error>,

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 as Future>::Output>, type Output = <A as Future>::Output;`
where
Si1: Sink<Item, Error = Self::Error>,

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

fn start_send_unpin(&mut self, item: Item) -> Result<(), Self::Error> where
Self: Unpin,

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

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

impl<T> StreamExt for T where
T: Stream + ?Sized,

fn next(&mut self) -> Next<'_, Self>ⓘ
Notable traits for Next<'_, St>
`impl<'_, St> Future for Next<'_, St> where St: Stream + Unpin + ?Sized, type Output = Option<<St as Stream>::Item>;`
where
Self: Unpin,

fn into_future(self) -> StreamFuture<Self>ⓘ
Notable traits for StreamFuture<St>
`impl<St> Future for StreamFuture<St> where St: Stream + Unpin, type Output = (Option<<St as Stream>::Item>, St);`
where
Self: Unpin,

fn map<T, F>(self, f: F) -> Map<Self, F> where
F: FnMut(Self::Item) -> T,

fn filter<Fut, F>(self, f: F) -> Filter<Self, Fut, F> where
F: FnMut(&Self::Item) -> Fut,
Fut: Future<Output = bool>,

fn filter_map<Fut, T, F>(self, f: F) -> FilterMap<Self, Fut, F> where
F: FnMut(Self::Item) -> Fut,
Fut: Future<Output = Option<T>>,

fn then<Fut, F>(self, f: F) -> Then<Self, Fut, F> where
F: FnMut(Self::Item) -> Fut,
Fut: Future,

fn collect<C>(self) -> Collect<Self, C>ⓘ
Notable traits for Collect<St, C>
`impl<St, C> Future for Collect<St, C> where St: Stream, C: Default + Extend<<St as Stream>::Item>, type Output = C;`
where
C: Default + Extend<Self::Item>,

fn cycle(self) -> Cycle<Self> where
Self: Clone,

fn any<Fut, F>(self, f: F) -> Any<Self, Fut, F> where
F: FnMut(Self::Item) -> Fut,
Fut: Future<Output = bool>,

fn all<Fut, F>(self, f: F) -> All<Self, Fut, F> where
F: FnMut(Self::Item) -> Fut,
Fut: Future<Output = bool>,

fn flatten(self) -> Flatten<Self> where
Self::Item: Stream,

fn flat_map<U, F>(self, f: F) -> FlatMap<Self, U, F> where
F: FnMut(Self::Item) -> U,
U: Stream,

fn scan<S, B, Fut, F>(self, initial_state: S, f: F) -> Scan<Self, S, Fut, F> where
F: FnMut(&mut S, Self::Item) -> Fut,
Fut: Future<Output = Option<B>>,

fn skip_while<Fut, F>(self, f: F) -> SkipWhile<Self, Fut, F> where
F: FnMut(&Self::Item) -> Fut,
Fut: Future<Output = bool>,

fn take_while<Fut, F>(self, f: F) -> TakeWhile<Self, Fut, F> where
F: FnMut(&Self::Item) -> Fut,
Fut: Future<Output = bool>,

fn take_until<Fut>(self, fut: Fut) -> TakeUntil<Self, Fut> where
Fut: Future,

fn catch_unwind(self) -> CatchUnwind<Self> where
Self: UnwindSafe,

fn boxed<'a>(
self
) -> Pin<Box<dyn Stream<Item = Self::Item> + Send + 'a, Global>>ⓘ
Notable traits for Pin<P>
`impl<P> Future for Pin<P> where P: DerefMut, <P as Deref>::Target: Future, type Output = <<P as Deref>::Target as Future>::Output;`
where
Self: 'a + Send,

fn boxed_local<'a>(self) -> Pin<Box<dyn Stream<Item = Self::Item> + 'a, Global>>ⓘ
Notable traits for Pin<P>
`impl<P> Future for Pin<P> where P: DerefMut, <P as Deref>::Target: Future, type Output = <<P as Deref>::Target as Future>::Output;`
where
Self: 'a,

fn buffered(self, n: usize) -> Buffered<Self> where
Self::Item: Future,

fn buffer_unordered(self, n: usize) -> BufferUnordered<Self> where
Self::Item: Future,

fn zip<St>(self, other: St) -> Zip<Self, St> where
St: Stream,

fn chain<St>(self, other: St) -> Chain<Self, St> where
St: Stream<Item = Self::Item>,

fn split<Item>(self) -> (SplitSink<Self, Item>, SplitStream<Self>) where
Self: Sink<Item>,

fn inspect<F>(self, f: F) -> Inspect<Self, F> where
F: FnMut(&Self::Item),

fn left_stream<B>(self) -> Either<Self, B>ⓘ
Notable traits for Either<A, B>
`impl<A, B> Future for Either<A, B> where A: Future, B: Future<Output = <A as Future>::Output>, type Output = <A as Future>::Output;`
where
B: Stream<Item = Self::Item>,

fn right_stream<B>(self) -> Either<B, Self>ⓘ
Notable traits for Either<A, B>
`impl<A, B> Future for Either<A, B> where A: Future, B: Future<Output = <A as Future>::Output>, type Output = <A as Future>::Output;`
where
B: Stream<Item = Self::Item>,

fn poll_next_unpin(&mut self, cx: &mut Context<'_>) -> Poll<Option<Self::Item>> where
Self: Unpin,

fn select_next_some(&mut self) -> SelectNextSome<'_, Self>ⓘ
Notable traits for SelectNextSome<'_, St>
`impl<'_, St> Future for SelectNextSome<'_, St> where St: FusedStream + Unpin + ?Sized, type Output = <St as Stream>::Item;`
where
Self: Unpin + FusedStream,

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

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

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

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

impl<S> TryStreamExt for S where
S: TryStream + ?Sized,

fn err_into<E>(self) -> ErrInto<Self, E> where
Self::Error: Into<E>,

fn map_ok<T, F>(self, f: F) -> MapOk<Self, F> where
F: FnMut(Self::Ok) -> T,

fn map_err<E, F>(self, f: F) -> MapErr<Self, F> where
F: FnMut(Self::Error) -> E,

fn and_then<Fut, F>(self, f: F) -> AndThen<Self, Fut, F> where
F: FnMut(Self::Ok) -> Fut,
Fut: TryFuture<Error = Self::Error>,

fn or_else<Fut, F>(self, f: F) -> OrElse<Self, Fut, F> where
F: FnMut(Self::Error) -> Fut,
Fut: TryFuture<Ok = Self::Ok>,

fn inspect_ok<F>(self, f: F) -> InspectOk<Self, F> where
F: FnMut(&Self::Ok),

fn inspect_err<F>(self, f: F) -> InspectErr<Self, F> where
F: FnMut(&Self::Error),

fn try_next(&mut self) -> TryNext<'_, Self>ⓘ
Notable traits for TryNext<'_, St>
`impl<'_, St> Future for TryNext<'_, St> where St: TryStream + Unpin + ?Sized, type Output = Result<Option<<St as TryStream>::Ok>, <St as TryStream>::Error>;`
where
Self: Unpin,

fn try_skip_while<Fut, F>(self, f: F) -> TrySkipWhile<Self, Fut, F> where
F: FnMut(&Self::Ok) -> Fut,
Fut: TryFuture<Ok = bool, Error = Self::Error>,