pub struct FlattenSink<Fut, Si> { /* private fields */ }
Expand description
Sink for the flatten_sink
method.
Trait Implementations§
§impl<Fut, Si> Debug for FlattenSink<Fut, Si>where
TryFlatten<Fut, Si>: Debug,
impl<Fut, Si> Debug for FlattenSink<Fut, Si>where
TryFlatten<Fut, Si>: Debug,
§impl<Fut, Si> FusedStream for FlattenSink<Fut, Si>where
TryFlatten<Fut, Si>: FusedStream,
impl<Fut, Si> FusedStream for FlattenSink<Fut, Si>where
TryFlatten<Fut, Si>: FusedStream,
§fn is_terminated(&self) -> bool
fn is_terminated(&self) -> bool
Returns
true
if the stream should no longer be polled.§impl<_Item, Fut, Si> Sink<_Item> for FlattenSink<Fut, Si>where
TryFlatten<Fut, Si>: Sink<_Item>,
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
type Error = <TryFlatten<Fut, Si> as Sink<_Item>>::Error
The type of value produced by the sink when an error occurs.
§fn poll_ready(
self: Pin<&mut FlattenSink<Fut, Si>>,
cx: &mut Context<'_>
) -> Poll<Result<(), <FlattenSink<Fut, Si> as Sink<_Item>>::Error>>
fn poll_ready( self: Pin<&mut FlattenSink<Fut, Si>>, cx: &mut Context<'_> ) -> Poll<Result<(), <FlattenSink<Fut, Si> as Sink<_Item>>::Error>>
Attempts to prepare the
Sink
to receive a value. Read more§fn start_send(
self: Pin<&mut FlattenSink<Fut, Si>>,
item: _Item
) -> Result<(), <FlattenSink<Fut, Si> as Sink<_Item>>::Error>
fn start_send( self: Pin<&mut FlattenSink<Fut, Si>>, item: _Item ) -> Result<(), <FlattenSink<Fut, Si> 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§fn poll_flush(
self: Pin<&mut FlattenSink<Fut, Si>>,
cx: &mut Context<'_>
) -> Poll<Result<(), <FlattenSink<Fut, Si> as Sink<_Item>>::Error>>
fn poll_flush( self: Pin<&mut FlattenSink<Fut, Si>>, cx: &mut Context<'_> ) -> Poll<Result<(), <FlattenSink<Fut, Si> as Sink<_Item>>::Error>>
Flush any remaining output from this sink. Read more
§fn poll_close(
self: Pin<&mut FlattenSink<Fut, Si>>,
cx: &mut Context<'_>
) -> Poll<Result<(), <FlattenSink<Fut, Si> as Sink<_Item>>::Error>>
fn poll_close( self: Pin<&mut FlattenSink<Fut, Si>>, cx: &mut Context<'_> ) -> Poll<Result<(), <FlattenSink<Fut, Si> as Sink<_Item>>::Error>>
Flush any remaining output and close this sink, if necessary. Read more
§impl<Fut, Si> Stream for FlattenSink<Fut, Si>where
TryFlatten<Fut, Si>: Stream,
impl<Fut, Si> Stream for FlattenSink<Fut, Si>where
TryFlatten<Fut, Si>: Stream,
§fn poll_next(
self: Pin<&mut FlattenSink<Fut, Si>>,
cx: &mut Context<'_>
) -> Poll<Option<<FlattenSink<Fut, Si> as Stream>::Item>>
fn poll_next( self: Pin<&mut FlattenSink<Fut, Si>>, cx: &mut Context<'_> ) -> Poll<Option<<FlattenSink<Fut, Si> 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 moreimpl<'__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>
impl<Fut, Si> Sync for FlattenSink<Fut, Si>
impl<Fut, Si> UnwindSafe for FlattenSink<Fut, Si>where
Fut: UnwindSafe,
Si: UnwindSafe,
Blanket Implementations§
source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
§impl<T> CompatExt for T
impl<T> CompatExt for T
§impl<T> Downcast for Twhere
T: Any,
impl<T> Downcast for Twhere
T: Any,
§fn into_any(self: Box<T>) -> Box<dyn Any>
fn into_any(self: Box<T>) -> Box<dyn Any>
Convert
Box<dyn Trait>
(where Trait: Downcast
) to Box<dyn Any>
. Box<dyn Any>
can
then be further downcast
into Box<ConcreteType>
where ConcreteType
implements Trait
.§fn into_any_rc(self: Rc<T>) -> Rc<dyn Any>
fn into_any_rc(self: Rc<T>) -> Rc<dyn Any>
Convert
Rc<Trait>
(where Trait: Downcast
) to Rc<Any>
. Rc<Any>
can then be
further downcast
into Rc<ConcreteType>
where ConcreteType
implements Trait
.§fn as_any(&self) -> &(dyn Any + 'static)
fn as_any(&self) -> &(dyn Any + 'static)
Convert
&Trait
(where Trait: Downcast
) to &Any
. This is needed since Rust cannot
generate &Any
’s vtable from &Trait
’s.§fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)
fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)
Convert
&mut Trait
(where Trait: Downcast
) to &Any
. This is needed since Rust cannot
generate &mut Any
’s vtable from &mut Trait
’s.§impl<T> DowncastSync for T
impl<T> DowncastSync for T
§impl<S> FromSample<S> for S
impl<S> FromSample<S> for S
fn from_sample_(s: S) -> S
§impl<T> Instrument for T
impl<T> Instrument for T
§fn instrument(self, span: Span) -> Instrumented<Self> ⓘ
fn instrument(self, span: Span) -> Instrumented<Self> ⓘ
§impl<F, T> IntoSample<T> for Fwhere
T: FromSample<F>,
impl<F, T> IntoSample<T> for Fwhere
T: FromSample<F>,
fn into_sample(self) -> T
§impl<T> Pointable for T
impl<T> Pointable for T
§impl<T, Item> SinkExt<Item> for T
impl<T, Item> SinkExt<Item> for T
§fn with<U, Fut, F, E>(self, f: F) -> With<Self, Item, U, Fut, F>
fn with<U, Fut, F, E>(self, f: F) -> With<Self, Item, U, Fut, F>
Composes a function in front of the sink. Read more
§fn with_flat_map<U, St, F>(self, f: F) -> WithFlatMap<Self, Item, U, St, F>
fn with_flat_map<U, St, F>(self, f: F) -> WithFlatMap<Self, Item, U, St, F>
Composes a function in front of the sink. Read more
§fn sink_map_err<E, F>(self, f: F) -> SinkMapErr<Self, F>
fn sink_map_err<E, F>(self, f: F) -> SinkMapErr<Self, F>
Transforms the error returned by the sink.
§fn sink_err_into<E>(self) -> SinkErrInto<Self, Item, E>
fn sink_err_into<E>(self) -> SinkErrInto<Self, Item, E>
Map this sink’s error to a different error type using the
Into
trait. Read more§fn 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
§fn flush(&mut self) -> Flush<'_, Self, Item> ⓘwhere
Self: Unpin,
fn flush(&mut self) -> Flush<'_, Self, Item> ⓘwhere
Self: Unpin,
Flush the sink, processing all pending items. Read more
§fn send(&mut self, item: Item) -> Send<'_, Self, Item> ⓘwhere
Self: Unpin,
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
§fn feed(&mut self, item: Item) -> Feed<'_, Self, Item> ⓘwhere
Self: Unpin,
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
§fn send_all<St, 'a>(&'a mut self, stream: &'a mut St) -> SendAll<'a, Self, St> ⓘ
fn send_all<St, 'a>(&'a mut self, stream: &'a mut St) -> SendAll<'a, Self, St> ⓘ
A future that completes after the given stream has been fully processed
into the sink, including flushing. Read more
§fn right_sink<Si1>(self) -> Either<Si1, Self> ⓘ
fn right_sink<Si1>(self) -> Either<Si1, Self> ⓘ
§fn 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.§fn 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.§fn poll_flush_unpin(
&mut self,
cx: &mut Context<'_>
) -> Poll<Result<(), Self::Error>>where
Self: Unpin,
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.§fn poll_close_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,
A convenience method for calling
Sink::poll_close
on Unpin
sink types.§impl<S> StreamExt for S
impl<S> StreamExt for S
§fn next(&mut self) -> NextFuture<'_, Self> ⓘwhere
Self: Unpin,
fn next(&mut self) -> NextFuture<'_, Self> ⓘwhere
Self: Unpin,
Retrieves the next item in the stream. Read more
§fn try_next<T, E>(&mut self) -> TryNextFuture<'_, Self> ⓘ
fn try_next<T, E>(&mut self) -> TryNextFuture<'_, Self> ⓘ
Retrieves the next item in the stream. Read more
§fn count(self) -> CountFuture<Self> ⓘwhere
Self: Sized,
fn count(self) -> CountFuture<Self> ⓘwhere
Self: Sized,
Counts the number of items in the stream. Read more
§fn map<T, F>(self, f: F) -> Map<Self, F>
fn map<T, F>(self, f: F) -> Map<Self, F>
Maps items of the stream to new values using a closure. Read more
§fn flat_map<U, F>(self, f: F) -> FlatMap<Self, U, F>
fn flat_map<U, F>(self, f: F) -> FlatMap<Self, U, F>
Maps items to streams and then concatenates them. Read more
§fn then<F, Fut>(self, f: F) -> Then<Self, F, Fut>
fn then<F, Fut>(self, f: F) -> Then<Self, F, Fut>
Maps items of the stream to new values using an async closure. Read more
§fn filter_map<T, F>(self, f: F) -> FilterMap<Self, F>
fn filter_map<T, F>(self, f: F) -> FilterMap<Self, F>
Filters and maps items of the stream using a closure. Read more
§fn take(self, n: usize) -> Take<Self>where
Self: Sized,
fn take(self, n: usize) -> Take<Self>where
Self: Sized,
Takes only the first
n
items of the stream. Read more§fn take_while<P>(self, predicate: P) -> TakeWhile<Self, P>
fn take_while<P>(self, predicate: P) -> TakeWhile<Self, P>
§fn skip(self, n: usize) -> Skip<Self>where
Self: Sized,
fn skip(self, n: usize) -> Skip<Self>where
Self: Sized,
Skips the first
n
items of the stream. Read more§fn skip_while<P>(self, predicate: P) -> SkipWhile<Self, P>
fn skip_while<P>(self, predicate: P) -> SkipWhile<Self, P>
§fn chain<U>(self, other: U) -> Chain<Self, U>
fn chain<U>(self, other: U) -> Chain<Self, U>
Appends another stream to the end of this one. Read more
§fn collect<C>(self) -> CollectFuture<Self, C> ⓘ
fn collect<C>(self) -> CollectFuture<Self, C> ⓘ
Collects all items in the stream into a collection. Read more
§fn try_collect<T, E, C>(self) -> TryCollectFuture<Self, C> ⓘ
fn try_collect<T, E, C>(self) -> TryCollectFuture<Self, C> ⓘ
Collects all items in the fallible stream into a collection. Read more
§fn partition<B, P>(self, predicate: P) -> PartitionFuture<Self, P, B> ⓘ
fn partition<B, P>(self, predicate: P) -> PartitionFuture<Self, P, B> ⓘ
Partitions items into those for which
predicate
is true
and those for which it is
false
, and then collects them into two collections. Read more§fn fold<T, F>(self, init: T, f: F) -> FoldFuture<Self, F, T> ⓘ
fn fold<T, F>(self, init: T, f: F) -> FoldFuture<Self, F, T> ⓘ
Accumulates a computation over the stream. Read more
§fn try_fold<T, E, F, B>(
&mut self,
init: B,
f: F
) -> TryFoldFuture<'_, Self, F, B> ⓘ
fn try_fold<T, E, F, B>( &mut self, init: B, f: F ) -> TryFoldFuture<'_, Self, F, B> ⓘ
Accumulates a fallible computation over the stream. Read more
§fn scan<St, B, F>(self, initial_state: St, f: F) -> Scan<Self, St, F>
fn scan<St, B, F>(self, initial_state: St, f: F) -> Scan<Self, St, F>
Maps items of the stream to new values using a state value and a closure. Read more
§fn enumerate(self) -> Enumerate<Self>where
Self: Sized,
fn enumerate(self) -> Enumerate<Self>where
Self: Sized,
Enumerates items, mapping them to
(index, item)
. Read more§fn inspect<F>(self, f: F) -> Inspect<Self, F>
fn inspect<F>(self, f: F) -> Inspect<Self, F>
Calls a closure on each item and passes it on. Read more
§fn nth(&mut self, n: usize) -> NthFuture<'_, Self> ⓘwhere
Self: Unpin,
fn nth(&mut self, n: usize) -> NthFuture<'_, Self> ⓘwhere
Self: Unpin,
Gets the
n
th item of the stream. Read more§fn last(self) -> LastFuture<Self> ⓘwhere
Self: Sized,
fn last(self) -> LastFuture<Self> ⓘwhere
Self: Sized,
Returns the last item in the stream. Read more
§fn for_each<F>(self, f: F) -> ForEachFuture<Self, F> ⓘ
fn for_each<F>(self, f: F) -> ForEachFuture<Self, F> ⓘ
Calls a closure on each item of the stream. Read more
§fn try_for_each<F, E>(&mut self, f: F) -> TryForEachFuture<'_, Self, F> ⓘ
fn try_for_each<F, E>(&mut self, f: F) -> TryForEachFuture<'_, Self, F> ⓘ
Calls a fallible closure on each item of the stream, stopping on first error. Read more
§fn zip<U>(self, other: U) -> Zip<Self, U>
fn zip<U>(self, other: U) -> Zip<Self, U>
Zips up two streams into a single stream of pairs. Read more
§fn unzip<A, B, FromA, FromB>(self) -> UnzipFuture<Self, FromA, FromB> ⓘ
fn unzip<A, B, FromA, FromB>(self) -> UnzipFuture<Self, FromA, FromB> ⓘ
Collects a stream of pairs into a pair of collections. Read more
§fn race<S>(self, other: S) -> Race<Self, S>
fn race<S>(self, other: S) -> Race<Self, S>
Merges with
other
stream, with no preference for either stream when both are ready. Read more§impl<S> StreamExt for S
impl<S> StreamExt for S
§fn next(&mut self) -> NextFuture<'_, Self> ⓘwhere
Self: Unpin,
fn next(&mut self) -> NextFuture<'_, Self> ⓘwhere
Self: Unpin,
Retrieves the next item in the stream. Read more
§fn try_next<T, E>(&mut self) -> TryNextFuture<'_, Self> ⓘ
fn try_next<T, E>(&mut self) -> TryNextFuture<'_, Self> ⓘ
Retrieves the next item in the stream. Read more
§fn count(self) -> CountFuture<Self> ⓘwhere
Self: Sized,
fn count(self) -> CountFuture<Self> ⓘwhere
Self: Sized,
Counts the number of items in the stream. Read more
§fn map<T, F>(self, f: F) -> Map<Self, F>
fn map<T, F>(self, f: F) -> Map<Self, F>
Maps items of the stream to new values using a closure. Read more
§fn flat_map<U, F>(self, f: F) -> FlatMap<Self, U, F>
fn flat_map<U, F>(self, f: F) -> FlatMap<Self, U, F>
Maps items to streams and then concatenates them. Read more
§fn then<F, Fut>(self, f: F) -> Then<Self, F, Fut>
fn then<F, Fut>(self, f: F) -> Then<Self, F, Fut>
Maps items of the stream to new values using an async closure. Read more
§fn filter_map<T, F>(self, f: F) -> FilterMap<Self, F>
fn filter_map<T, F>(self, f: F) -> FilterMap<Self, F>
Filters and maps items of the stream using a closure. Read more
§fn take(self, n: usize) -> Take<Self>where
Self: Sized,
fn take(self, n: usize) -> Take<Self>where
Self: Sized,
Takes only the first
n
items of the stream. Read more§fn take_while<P>(self, predicate: P) -> TakeWhile<Self, P>
fn take_while<P>(self, predicate: P) -> TakeWhile<Self, P>
§fn skip(self, n: usize) -> Skip<Self>where
Self: Sized,
fn skip(self, n: usize) -> Skip<Self>where
Self: Sized,
Skips the first
n
items of the stream. Read more§fn skip_while<P>(self, predicate: P) -> SkipWhile<Self, P>
fn skip_while<P>(self, predicate: P) -> SkipWhile<Self, P>
§fn chain<U>(self, other: U) -> Chain<Self, U>
fn chain<U>(self, other: U) -> Chain<Self, U>
Appends another stream to the end of this one. Read more
§fn collect<C>(self) -> CollectFuture<Self, C> ⓘ
fn collect<C>(self) -> CollectFuture<Self, C> ⓘ
Collects all items in the stream into a collection. Read more
§fn try_collect<T, E, C>(self) -> TryCollectFuture<Self, C> ⓘ
fn try_collect<T, E, C>(self) -> TryCollectFuture<Self, C> ⓘ
Collects all items in the fallible stream into a collection. Read more
§fn partition<B, P>(self, predicate: P) -> PartitionFuture<Self, P, B> ⓘ
fn partition<B, P>(self, predicate: P) -> PartitionFuture<Self, P, B> ⓘ
Partitions items into those for which
predicate
is true
and those for which it is
false
, and then collects them into two collections. Read more§fn fold<T, F>(self, init: T, f: F) -> FoldFuture<Self, F, T> ⓘ
fn fold<T, F>(self, init: T, f: F) -> FoldFuture<Self, F, T> ⓘ
Accumulates a computation over the stream. Read more
§fn try_fold<T, E, F, B>(
&mut self,
init: B,
f: F
) -> TryFoldFuture<'_, Self, F, B> ⓘ
fn try_fold<T, E, F, B>( &mut self, init: B, f: F ) -> TryFoldFuture<'_, Self, F, B> ⓘ
Accumulates a fallible computation over the stream. Read more
§fn scan<St, B, F>(self, initial_state: St, f: F) -> Scan<Self, St, F>
fn scan<St, B, F>(self, initial_state: St, f: F) -> Scan<Self, St, F>
Maps items of the stream to new values using a state value and a closure. Read more
§fn enumerate(self) -> Enumerate<Self>where
Self: Sized,
fn enumerate(self) -> Enumerate<Self>where
Self: Sized,
Enumerates items, mapping them to
(index, item)
. Read more§fn inspect<F>(self, f: F) -> Inspect<Self, F>
fn inspect<F>(self, f: F) -> Inspect<Self, F>
Calls a closure on each item and passes it on. Read more
§fn nth(&mut self, n: usize) -> NthFuture<'_, Self> ⓘwhere
Self: Unpin,
fn nth(&mut self, n: usize) -> NthFuture<'_, Self> ⓘwhere
Self: Unpin,
Gets the
n
th item of the stream. Read more§fn last(self) -> LastFuture<Self> ⓘwhere
Self: Sized,
fn last(self) -> LastFuture<Self> ⓘwhere
Self: Sized,
Returns the last item in the stream. Read more
§fn for_each<F>(self, f: F) -> ForEachFuture<Self, F> ⓘ
fn for_each<F>(self, f: F) -> ForEachFuture<Self, F> ⓘ
Calls a closure on each item of the stream. Read more
§fn try_for_each<F, E>(&mut self, f: F) -> TryForEachFuture<'_, Self, F> ⓘ
fn try_for_each<F, E>(&mut self, f: F) -> TryForEachFuture<'_, Self, F> ⓘ
Calls a fallible closure on each item of the stream, stopping on first error. Read more
§fn zip<U>(self, other: U) -> Zip<Self, U>
fn zip<U>(self, other: U) -> Zip<Self, U>
Zips up two streams into a single stream of pairs. Read more
§fn unzip<A, B, FromA, FromB>(self) -> UnzipFuture<Self, FromA, FromB> ⓘ
fn unzip<A, B, FromA, FromB>(self) -> UnzipFuture<Self, FromA, FromB> ⓘ
Collects a stream of pairs into a pair of collections. Read more
§fn race<S>(self, other: S) -> Race<Self, S>
fn race<S>(self, other: S) -> Race<Self, S>
Merges with
other
stream, with no preference for either stream when both are ready. Read more§impl<T> StreamExt for T
impl<T> StreamExt for T
§fn next(&mut self) -> Next<'_, Self> ⓘwhere
Self: Unpin,
fn next(&mut self) -> Next<'_, Self> ⓘwhere
Self: Unpin,
Creates a future that resolves to the next item in the stream. Read more
§fn into_future(self) -> StreamFuture<Self> ⓘ
fn into_future(self) -> StreamFuture<Self> ⓘ
§fn map<T, F>(self, f: F) -> Map<Self, F>
fn map<T, F>(self, f: F) -> Map<Self, F>
Maps this stream’s items to a different type, returning a new stream of
the resulting type. Read more
§fn enumerate(self) -> Enumerate<Self>where
Self: Sized,
fn enumerate(self) -> Enumerate<Self>where
Self: Sized,
Creates a stream which gives the current iteration count as well as
the next value. Read more
§fn filter<Fut, F>(self, f: F) -> Filter<Self, Fut, F>
fn filter<Fut, F>(self, f: F) -> Filter<Self, Fut, F>
Filters the values produced by this stream according to the provided
asynchronous predicate. Read more
§fn filter_map<Fut, T, F>(self, f: F) -> FilterMap<Self, Fut, F>
fn filter_map<Fut, T, F>(self, f: F) -> FilterMap<Self, Fut, F>
Filters the values produced by this stream while simultaneously mapping
them to a different type according to the provided asynchronous closure. Read more
§fn then<Fut, F>(self, f: F) -> Then<Self, Fut, F>
fn then<Fut, F>(self, f: F) -> Then<Self, Fut, F>
Computes from this stream’s items new items of a different type using
an asynchronous closure. Read more
§fn collect<C>(self) -> Collect<Self, C> ⓘ
fn collect<C>(self) -> Collect<Self, C> ⓘ
Transforms a stream into a collection, returning a
future representing the result of that computation. Read more
§fn unzip<A, B, FromA, FromB>(self) -> Unzip<Self, FromA, FromB> ⓘ
fn unzip<A, B, FromA, FromB>(self) -> Unzip<Self, FromA, FromB> ⓘ
Converts a stream of pairs into a future, which
resolves to pair of containers. Read more
§fn concat(self) -> Concat<Self> ⓘ
fn concat(self) -> Concat<Self> ⓘ
Concatenate all items of a stream into a single extendable
destination, returning a future representing the end result. Read more
§fn count(self) -> Count<Self> ⓘwhere
Self: Sized,
fn count(self) -> Count<Self> ⓘwhere
Self: Sized,
Drives the stream to completion, counting the number of items. Read more
§fn fold<T, Fut, F>(self, init: T, f: F) -> Fold<Self, Fut, T, F> ⓘ
fn fold<T, Fut, F>(self, init: T, f: F) -> Fold<Self, Fut, T, F> ⓘ
Execute an accumulating asynchronous computation over a stream,
collecting all the values into one final result. Read more
§fn any<Fut, F>(self, f: F) -> Any<Self, Fut, F> ⓘ
fn any<Fut, F>(self, f: F) -> Any<Self, Fut, F> ⓘ
Execute predicate over asynchronous stream, and return
true
if any element in stream satisfied a predicate. Read more§fn all<Fut, F>(self, f: F) -> All<Self, Fut, F> ⓘ
fn all<Fut, F>(self, f: F) -> All<Self, Fut, F> ⓘ
Execute predicate over asynchronous stream, and return
true
if all element in stream satisfied a predicate. Read more§fn flatten(self) -> Flatten<Self>
fn flatten(self) -> Flatten<Self>
Flattens a stream of streams into just one continuous stream. Read more
§fn flatten_unordered(
self,
limit: impl Into<Option<usize>>
) -> FlattenUnorderedWithFlowController<Self, ()>
fn flatten_unordered( self, limit: impl Into<Option<usize>> ) -> FlattenUnorderedWithFlowController<Self, ()>
Flattens a stream of streams into just one continuous stream. Polls
inner streams produced by the base stream concurrently. Read more
§fn flat_map_unordered<U, F>(
self,
limit: impl Into<Option<usize>>,
f: F
) -> FlatMapUnordered<Self, U, F>
fn flat_map_unordered<U, F>( self, limit: impl Into<Option<usize>>, f: F ) -> FlatMapUnordered<Self, U, F>
Maps a stream like
StreamExt::map
but flattens nested Stream
s
and polls them concurrently, yielding items in any order, as they made
available. Read more§fn scan<S, B, Fut, F>(self, initial_state: S, f: F) -> Scan<Self, S, Fut, F>
fn scan<S, B, Fut, F>(self, initial_state: S, f: F) -> Scan<Self, S, Fut, F>
Combinator similar to
StreamExt::fold
that holds internal state
and produces a new stream. Read more§fn skip_while<Fut, F>(self, f: F) -> SkipWhile<Self, Fut, F>
fn skip_while<Fut, F>(self, f: F) -> SkipWhile<Self, Fut, F>
Skip elements on this stream while the provided asynchronous predicate
resolves to
true
. Read more§fn take_while<Fut, F>(self, f: F) -> TakeWhile<Self, Fut, F>
fn take_while<Fut, F>(self, f: F) -> TakeWhile<Self, Fut, F>
Take elements from this stream while the provided asynchronous predicate
resolves to
true
. Read more§fn take_until<Fut>(self, fut: Fut) -> TakeUntil<Self, Fut>
fn take_until<Fut>(self, fut: Fut) -> TakeUntil<Self, Fut>
Take elements from this stream until the provided future resolves. Read more
§fn for_each<Fut, F>(self, f: F) -> ForEach<Self, Fut, F> ⓘ
fn for_each<Fut, F>(self, f: F) -> ForEach<Self, Fut, F> ⓘ
Runs this stream to completion, executing the provided asynchronous
closure for each element on the stream. Read more
§fn for_each_concurrent<Fut, F>(
self,
limit: impl Into<Option<usize>>,
f: F
) -> ForEachConcurrent<Self, Fut, F> ⓘ
fn for_each_concurrent<Fut, F>( self, limit: impl Into<Option<usize>>, f: F ) -> ForEachConcurrent<Self, Fut, F> ⓘ
Runs this stream to completion, executing the provided asynchronous
closure for each element on the stream concurrently as elements become
available. Read more
§fn take(self, n: usize) -> Take<Self>where
Self: Sized,
fn take(self, n: usize) -> Take<Self>where
Self: Sized,
Creates a new stream of at most
n
items of the underlying stream. Read more§fn skip(self, n: usize) -> Skip<Self>where
Self: Sized,
fn skip(self, n: usize) -> Skip<Self>where
Self: Sized,
Creates a new stream which skips
n
items of the underlying stream. Read more§fn catch_unwind(self) -> CatchUnwind<Self>where
Self: Sized + UnwindSafe,
fn catch_unwind(self) -> CatchUnwind<Self>where
Self: Sized + UnwindSafe,
Catches unwinding panics while polling the stream. Read more
§fn boxed<'a>(self) -> Pin<Box<dyn Stream<Item = Self::Item> + Send + 'a>>
fn boxed<'a>(self) -> Pin<Box<dyn Stream<Item = Self::Item> + Send + 'a>>
Wrap the stream in a Box, pinning it. Read more
§fn boxed_local<'a>(self) -> Pin<Box<dyn Stream<Item = Self::Item> + 'a>>where
Self: Sized + 'a,
fn boxed_local<'a>(self) -> Pin<Box<dyn Stream<Item = Self::Item> + 'a>>where
Self: Sized + 'a,
Wrap the stream in a Box, pinning it. Read more
§fn buffered(self, n: usize) -> Buffered<Self>
fn buffered(self, n: usize) -> Buffered<Self>
An adaptor for creating a buffered list of pending futures. Read more
§fn buffer_unordered(self, n: usize) -> BufferUnordered<Self>
fn buffer_unordered(self, n: usize) -> BufferUnordered<Self>
An adaptor for creating a buffered list of pending futures (unordered). Read more
§fn peekable(self) -> Peekable<Self>where
Self: Sized,
fn peekable(self) -> Peekable<Self>where
Self: Sized,
Creates a new stream which exposes a
peek
method. Read more§fn chunks(self, capacity: usize) -> Chunks<Self>where
Self: Sized,
fn chunks(self, capacity: usize) -> Chunks<Self>where
Self: Sized,
An adaptor for chunking up items of the stream inside a vector. Read more
§fn ready_chunks(self, capacity: usize) -> ReadyChunks<Self>where
Self: Sized,
fn ready_chunks(self, capacity: usize) -> ReadyChunks<Self>where
Self: Sized,
An adaptor for chunking up ready items of the stream inside a vector. Read more
§fn forward<S>(self, sink: S) -> Forward<Self, S> ⓘ
fn forward<S>(self, sink: S) -> Forward<Self, S> ⓘ
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
§fn split<Item>(self) -> (SplitSink<Self, Item>, SplitStream<Self>)
fn split<Item>(self) -> (SplitSink<Self, Item>, SplitStream<Self>)
§fn inspect<F>(self, f: F) -> Inspect<Self, F>
fn inspect<F>(self, f: F) -> Inspect<Self, F>
Do something with each item of this stream, afterwards passing it on. Read more
§fn left_stream<B>(self) -> Either<Self, B> ⓘ
fn left_stream<B>(self) -> Either<Self, B> ⓘ
§fn right_stream<B>(self) -> Either<B, Self> ⓘ
fn right_stream<B>(self) -> Either<B, Self> ⓘ
§fn poll_next_unpin(&mut self, cx: &mut Context<'_>) -> Poll<Option<Self::Item>>where
Self: Unpin,
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.§fn select_next_some(&mut self) -> SelectNextSome<'_, Self> ⓘwhere
Self: Unpin + FusedStream,
fn select_next_some(&mut self) -> SelectNextSome<'_, Self> ⓘwhere
Self: Unpin + FusedStream,
§impl<T> StreamExt for T
impl<T> StreamExt for T
§fn next(&mut self) -> NextFuture<'_, Self>where
Self: Unpin,
fn next(&mut self) -> NextFuture<'_, Self>where
Self: Unpin,
Advances the stream and returns the next value. Read more
§fn take(self, n: usize) -> Take<Self>where
Self: Sized,
fn take(self, n: usize) -> Take<Self>where
Self: Sized,
Creates a stream that yields its first
n
elements. Read more§fn take_while<P>(self, predicate: P) -> TakeWhile<Self, P>
fn take_while<P>(self, predicate: P) -> TakeWhile<Self, P>
Creates a stream that yields elements based on a predicate. Read more
§fn step_by(self, step: usize) -> StepBy<Self>where
Self: Sized,
fn step_by(self, step: usize) -> StepBy<Self>where
Self: Sized,
Creates a stream that yields each
step
th element. Read more§fn chain<U>(self, other: U) -> Chain<Self, U>
fn chain<U>(self, other: U) -> Chain<Self, U>
Takes two streams and creates a new stream over both in sequence. Read more
§fn cloned<'a, T>(self) -> Cloned<Self>
fn cloned<'a, T>(self) -> Cloned<Self>
Creates an stream which copies all of its elements. Read more
§fn copied<'a, T>(self) -> Copied<Self>
fn copied<'a, T>(self) -> Copied<Self>
Creates an stream which copies all of its elements. Read more
§fn cycle(self) -> Cycle<Self>
fn cycle(self) -> Cycle<Self>
Creates a stream that yields the provided values infinitely and in order. Read more
§fn enumerate(self) -> Enumerate<Self>where
Self: Sized,
fn enumerate(self) -> Enumerate<Self>where
Self: Sized,
Creates a stream that gives the current element’s count as well as the next value. Read more
§fn map<B, F>(self, f: F) -> Map<Self, F>
fn map<B, F>(self, f: F) -> Map<Self, F>
Takes a closure and creates a stream that calls that closure on every element of this stream. Read more
§fn inspect<F>(self, f: F) -> Inspect<Self, F>
fn inspect<F>(self, f: F) -> Inspect<Self, F>
A combinator that does something with each element in the stream, passing the value
on. Read more
§fn last(self) -> LastFuture<Self, Self::Item>where
Self: Sized,
fn last(self) -> LastFuture<Self, Self::Item>where
Self: Sized,
Returns the last element of the stream. Read more
§fn fuse(self) -> Fuse<Self>where
Self: Sized,
fn fuse(self) -> Fuse<Self>where
Self: Sized,
Creates a stream which ends after the first
None
. Read more§fn filter<P>(self, predicate: P) -> Filter<Self, P>
fn filter<P>(self, predicate: P) -> Filter<Self, P>
Creates a stream that uses a predicate to determine if an element should be yielded. Read more
§fn filter_map<B, F>(self, f: F) -> FilterMap<Self, F>
fn filter_map<B, F>(self, f: F) -> FilterMap<Self, F>
Both filters and maps a stream. Read more
§fn min_by_key<B, F>(self, key_by: F) -> MinByKeyFuture<Self, Self::Item, F>
fn min_by_key<B, F>(self, key_by: F) -> MinByKeyFuture<Self, Self::Item, F>
Returns the element that gives the minimum value with respect to the
specified key function. If several elements are equally minimum,
the first element is returned. If the stream is empty,
None
is returned. Read more§fn max_by_key<B, F>(self, key_by: F) -> MaxByKeyFuture<Self, Self::Item, F>
fn max_by_key<B, F>(self, key_by: F) -> MaxByKeyFuture<Self, Self::Item, F>
Returns the element that gives the maximum value with respect to the
specified key function. If several elements are equally maximum,
the first element is returned. If the stream is empty,
None
is returned. Read more§fn min_by<F>(self, compare: F) -> MinByFuture<Self, F, Self::Item>
fn min_by<F>(self, compare: F) -> MinByFuture<Self, F, Self::Item>
Returns the element that gives the minimum value with respect to the
specified comparison function. If several elements are equally minimum,
the first element is returned. If the stream is empty,
None
is returned. Read more§fn max(self) -> MaxFuture<Self, Self::Item>
fn max(self) -> MaxFuture<Self, Self::Item>
Returns the element that gives the maximum value. If several elements are equally maximum,
the first element is returned. If the stream is empty,
None
is returned. Read more§fn min(self) -> MinFuture<Self, Self::Item>
fn min(self) -> MinFuture<Self, Self::Item>
Returns the element that gives the minimum value. If several elements are equally minimum,
the first element is returned. If the stream is empty,
None
is returned. Read more§fn max_by<F>(self, compare: F) -> MaxByFuture<Self, F, Self::Item>
fn max_by<F>(self, compare: F) -> MaxByFuture<Self, F, Self::Item>
Returns the element that gives the maximum value with respect to the
specified comparison function. If several elements are equally maximum,
the first element is returned. If the stream is empty,
None
is returned. Read more§fn all<F>(&mut self, f: F) -> AllFuture<'_, Self, F, Self::Item>
fn all<F>(&mut self, f: F) -> AllFuture<'_, Self, F, Self::Item>
Tests if every element of the stream matches a predicate. Read more
§fn find<P>(&mut self, p: P) -> FindFuture<'_, Self, P>
fn find<P>(&mut self, p: P) -> FindFuture<'_, Self, P>
Searches for an element in a stream that satisfies a predicate. Read more
§fn find_map<F, B>(&mut self, f: F) -> FindMapFuture<'_, Self, F>
fn find_map<F, B>(&mut self, f: F) -> FindMapFuture<'_, Self, F>
Applies function to the elements of stream and returns the first non-none result. Read more
§fn fold<B, F>(self, init: B, f: F) -> FoldFuture<Self, F, B>
fn fold<B, F>(self, init: B, f: F) -> FoldFuture<Self, F, B>
A combinator that applies a function to every element in a stream
producing a single, final value. Read more
§fn for_each<F>(self, f: F) -> ForEachFuture<Self, F>
fn for_each<F>(self, f: F) -> ForEachFuture<Self, F>
Call a closure on each element of the stream. Read more
§fn any<F>(&mut self, f: F) -> AnyFuture<'_, Self, F, Self::Item>
fn any<F>(&mut self, f: F) -> AnyFuture<'_, Self, F, Self::Item>
Tests if any element of the stream matches a predicate. Read more
§fn skip_while<P>(self, predicate: P) -> SkipWhile<Self, P>
fn skip_while<P>(self, predicate: P) -> SkipWhile<Self, P>
Combinator that
skip
s elements based on a predicate. Read more§fn skip(self, n: usize) -> Skip<Self>where
Self: Sized,
fn skip(self, n: usize) -> Skip<Self>where
Self: Sized,
Creates a combinator that skips the first
n
elements. Read more§fn try_fold<B, F, T, E>(
&mut self,
init: T,
f: F
) -> TryFoldFuture<'_, Self, F, T>
fn try_fold<B, F, T, E>( &mut self, init: T, f: F ) -> TryFoldFuture<'_, Self, F, T>
A combinator that applies a function as long as it returns successfully, producing a single, final value.
Immediately returns the error when the function returns unsuccessfully. Read more
§fn try_for_each<F, E>(&mut self, f: F) -> TryForEachFuture<'_, Self, F>
fn try_for_each<F, E>(&mut self, f: F) -> TryForEachFuture<'_, Self, F>
Applies a falliable function to each element in a stream, stopping at first error and returning it. Read more
§fn zip<U>(self, other: U) -> Zip<Self, U>
fn zip<U>(self, other: U) -> Zip<Self, U>
‘Zips up’ two streams into a single stream of pairs. Read more
§fn partial_cmp<S>(self, other: S) -> PartialCmpFuture<Self, S>
fn partial_cmp<S>(self, other: S) -> PartialCmpFuture<Self, S>
Lexicographically compares the elements of this
Stream
with those
of another. Read more§fn position<P>(&mut self, predicate: P) -> PositionFuture<'_, Self, P>
fn position<P>(&mut self, predicate: P) -> PositionFuture<'_, Self, P>
Searches for an element in a Stream that satisfies a predicate, returning
its index. Read more
§fn cmp<S>(self, other: S) -> CmpFuture<Self, S>
fn cmp<S>(self, other: S) -> CmpFuture<Self, S>
Lexicographically compares the elements of this
Stream
with those
of another using ‘Ord’. Read more§fn ne<S>(self, other: S) -> NeFuture<Self, S>
fn ne<S>(self, other: S) -> NeFuture<Self, S>
Determines if the elements of this
Stream
are lexicographically
not equal to those of another. Read more§fn ge<S>(self, other: S) -> GeFuture<Self, S>
fn ge<S>(self, other: S) -> GeFuture<Self, S>
Determines if the elements of this
Stream
are lexicographically
greater than or equal to those of another. Read more§fn eq<S>(self, other: S) -> EqFuture<Self, S>
fn eq<S>(self, other: S) -> EqFuture<Self, S>
Determines if the elements of this
Stream
are lexicographically
equal to those of another. Read more§fn gt<S>(self, other: S) -> GtFuture<Self, S>
fn gt<S>(self, other: S) -> GtFuture<Self, S>
Determines if the elements of this
Stream
are lexicographically
greater than those of another. Read more§impl<T, U> ToSample<U> for Twhere
U: FromSample<T>,
impl<T, U> ToSample<U> for Twhere
U: FromSample<T>,
fn to_sample_(self) -> U
§impl<S> TryStreamExt for S
impl<S> TryStreamExt for S
§fn err_into<E>(self) -> ErrInto<Self, E>
fn err_into<E>(self) -> ErrInto<Self, E>
Wraps the current stream in a new stream which converts the error type
into the one provided. Read more
§fn map_ok<T, F>(self, f: F) -> MapOk<Self, F>
fn map_ok<T, F>(self, f: F) -> MapOk<Self, F>
Wraps the current stream in a new stream which maps the success value
using the provided closure. Read more
§fn map_err<E, F>(self, f: F) -> MapErr<Self, F>
fn map_err<E, F>(self, f: F) -> MapErr<Self, F>
Wraps the current stream in a new stream which maps the error value
using the provided closure. Read more
§fn and_then<Fut, F>(self, f: F) -> AndThen<Self, Fut, F>
fn and_then<Fut, F>(self, f: F) -> AndThen<Self, Fut, F>
Chain on a computation for when a value is ready, passing the successful
results to the provided closure
f
. Read more§fn or_else<Fut, F>(self, f: F) -> OrElse<Self, Fut, F>
fn or_else<Fut, F>(self, f: F) -> OrElse<Self, Fut, F>
Chain on a computation for when an error happens, passing the
erroneous result to the provided closure
f
. Read more§fn inspect_ok<F>(self, f: F) -> InspectOk<Self, F>
fn inspect_ok<F>(self, f: F) -> InspectOk<Self, F>
Do something with the success value of this stream, afterwards passing
it on. Read more
§fn inspect_err<F>(self, f: F) -> InspectErr<Self, F>
fn inspect_err<F>(self, f: F) -> InspectErr<Self, F>
Do something with the error value of this stream, afterwards passing it on. Read more
§fn into_stream(self) -> IntoStream<Self>where
Self: Sized,
fn into_stream(self) -> IntoStream<Self>where
Self: Sized,
§fn try_next(&mut self) -> TryNext<'_, Self> ⓘwhere
Self: Unpin,
fn try_next(&mut self) -> TryNext<'_, Self> ⓘ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
§fn try_for_each<Fut, F>(self, f: F) -> TryForEach<Self, Fut, F> ⓘ
fn try_for_each<Fut, F>(self, f: F) -> TryForEach<Self, Fut, F> ⓘ
Attempts to run this stream to completion, executing the provided
asynchronous closure for each element on the stream. Read more
§fn try_skip_while<Fut, F>(self, f: F) -> TrySkipWhile<Self, Fut, F>
fn try_skip_while<Fut, F>(self, f: F) -> TrySkipWhile<Self, Fut, F>
Skip elements on this stream while the provided asynchronous predicate
resolves to
true
. Read more§fn try_take_while<Fut, F>(self, f: F) -> TryTakeWhile<Self, Fut, F>
fn try_take_while<Fut, F>(self, f: F) -> TryTakeWhile<Self, Fut, F>
Take elements on this stream while the provided asynchronous predicate
resolves to
true
. Read more§fn try_for_each_concurrent<Fut, F>(
self,
limit: impl Into<Option<usize>>,
f: F
) -> TryForEachConcurrent<Self, Fut, F> ⓘ
fn try_for_each_concurrent<Fut, F>( self, limit: impl Into<Option<usize>>, f: F ) -> TryForEachConcurrent<Self, Fut, F> ⓘ
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
§fn try_collect<C>(self) -> TryCollect<Self, C> ⓘ
fn try_collect<C>(self) -> TryCollect<Self, C> ⓘ
Attempt to transform a stream into a collection,
returning a future representing the result of that computation. Read more
§fn try_chunks(self, capacity: usize) -> TryChunks<Self>where
Self: Sized,
fn try_chunks(self, capacity: usize) -> TryChunks<Self>where
Self: Sized,
An adaptor for chunking up successful items of the stream inside a vector. Read more
§fn try_ready_chunks(self, capacity: usize) -> TryReadyChunks<Self>where
Self: Sized,
fn try_ready_chunks(self, capacity: usize) -> TryReadyChunks<Self>where
Self: Sized,
An adaptor for chunking up successful, ready items of the stream inside a vector. Read more
§fn try_filter<Fut, F>(self, f: F) -> TryFilter<Self, Fut, F>
fn try_filter<Fut, F>(self, f: F) -> TryFilter<Self, Fut, F>
Attempt to filter the values produced by this stream according to the
provided asynchronous closure. Read more
§fn try_filter_map<Fut, F, T>(self, f: F) -> TryFilterMap<Self, Fut, F>
fn try_filter_map<Fut, F, T>(self, f: F) -> TryFilterMap<Self, Fut, F>
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
§fn try_flatten_unordered(
self,
limit: impl Into<Option<usize>>
) -> TryFlattenUnordered<Self>
fn try_flatten_unordered( self, limit: impl Into<Option<usize>> ) -> TryFlattenUnordered<Self>
Flattens a stream of streams into just one continuous stream. Produced streams
will be polled concurrently and any errors will be passed through without looking at them.
If the underlying base stream returns an error, it will be immediately propagated. Read more
§fn try_flatten(self) -> TryFlatten<Self>
fn try_flatten(self) -> TryFlatten<Self>
Flattens a stream of streams into just one continuous stream. Read more
§fn try_fold<T, Fut, F>(self, init: T, f: F) -> TryFold<Self, Fut, T, F> ⓘ
fn try_fold<T, Fut, F>(self, init: T, f: F) -> TryFold<Self, Fut, T, F> ⓘ
Attempt to execute an accumulating asynchronous computation over a
stream, collecting all the values into one final result. Read more
§fn try_concat(self) -> TryConcat<Self> ⓘ
fn try_concat(self) -> TryConcat<Self> ⓘ
Attempt to concatenate all items of a stream into a single
extendable destination, returning a future representing the end result. Read more
§fn try_buffer_unordered(self, n: usize) -> TryBufferUnordered<Self>
fn try_buffer_unordered(self, n: usize) -> TryBufferUnordered<Self>
Attempt to execute several futures from a stream concurrently (unordered). Read more
§fn try_buffered(self, n: usize) -> TryBuffered<Self>
fn try_buffered(self, n: usize) -> TryBuffered<Self>
Attempt to execute several futures from a stream concurrently. Read more
§fn try_poll_next_unpin(
&mut self,
cx: &mut Context<'_>
) -> Poll<Option<Result<Self::Ok, Self::Error>>>where
Self: Unpin,
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.§fn into_async_read(self) -> IntoAsyncRead<Self>
fn into_async_read(self) -> IntoAsyncRead<Self>
Adapter that converts this stream into an
AsyncBufRead
. Read more§fn try_all<Fut, F>(self, f: F) -> TryAll<Self, Fut, F>
fn try_all<Fut, F>(self, f: F) -> TryAll<Self, Fut, F>
Attempt to execute a predicate over an asynchronous stream and evaluate if all items
satisfy the predicate. Exits early if an
Err
is encountered or if an Ok
item is found
that does not satisfy the predicate. Read more