Struct holochain::prelude::dependencies::kitsune_p2p_types::dependencies::futures::prelude::stream::Unfold
source · pub struct Unfold<T, F, Fut> { /* private fields */ }
Expand description
Stream for the unfold
function.
Trait Implementations§
source§impl<T, F, Fut, Item> FusedStream for Unfold<T, F, Fut>
impl<T, F, Fut, Item> FusedStream for Unfold<T, F, Fut>
source§fn is_terminated(&self) -> bool
fn is_terminated(&self) -> bool
Returns
true
if the stream should no longer be polled.source§impl<T, F, Fut, Item> Stream for Unfold<T, F, Fut>
impl<T, F, Fut, Item> Stream for Unfold<T, F, Fut>
source§fn poll_next(
self: Pin<&mut Unfold<T, F, Fut>>,
cx: &mut Context<'_>
) -> Poll<Option<<Unfold<T, F, Fut> as Stream>::Item>>
fn poll_next( self: Pin<&mut Unfold<T, F, Fut>>, cx: &mut Context<'_> ) -> Poll<Option<<Unfold<T, F, Fut> 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, T, F, Fut> Unpin for Unfold<T, F, Fut>where
__Origin<'__pin, T, F, Fut>: Unpin,
Auto Trait Implementations§
impl<T, F, Fut> RefUnwindSafe for Unfold<T, F, Fut>
impl<T, F, Fut> Send for Unfold<T, F, Fut>
impl<T, F, Fut> Sync for Unfold<T, F, Fut>
impl<T, F, Fut> UnwindSafe for Unfold<T, F, Fut>
Blanket Implementations§
source§impl<T> ArchivePointee for T
impl<T> ArchivePointee for T
§type ArchivedMetadata = ()
type ArchivedMetadata = ()
The archived version of the pointer metadata for this type.
source§fn pointer_metadata(
_: &<T as ArchivePointee>::ArchivedMetadata
) -> <T as Pointee>::Metadata
fn pointer_metadata( _: &<T as ArchivePointee>::ArchivedMetadata ) -> <T as Pointee>::Metadata
Converts some archived metadata to the pointer metadata for itself.
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
source§impl<F, W, T, D> Deserialize<With<T, W>, D> for F
impl<F, W, T, D> Deserialize<With<T, W>, D> for F
source§impl<T> FutureExt for T
impl<T> FutureExt for T
source§fn with_context(self, otel_cx: Context) -> WithContext<Self> ⓘ
fn with_context(self, otel_cx: Context) -> WithContext<Self> ⓘ
source§fn with_current_context(self) -> WithContext<Self> ⓘ
fn with_current_context(self) -> WithContext<Self> ⓘ
source§impl<T> Instrument for T
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source§fn instrument(self, span: Span) -> Instrumented<Self> ⓘ
fn instrument(self, span: Span) -> Instrumented<Self> ⓘ
source§fn in_current_span(self) -> Instrumented<Self> ⓘ
fn in_current_span(self) -> Instrumented<Self> ⓘ
source§impl<T> Instrument for T
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source§fn instrument(self, span: Span) -> Instrumented<Self> ⓘ
fn instrument(self, span: Span) -> Instrumented<Self> ⓘ
source§fn in_current_span(self) -> Instrumented<Self> ⓘ
fn in_current_span(self) -> Instrumented<Self> ⓘ
source§impl<I> IntoStream for Iwhere
I: Stream,
impl<I> IntoStream for Iwhere
I: Stream,
§type IntoStream = I
type IntoStream = I
Which kind of stream are we turning this into?
source§fn into_stream(self) -> I
fn into_stream(self) -> I
Creates a stream from a value.
source§impl<T> LayoutRaw for T
impl<T> LayoutRaw for T
source§fn layout_raw(_: <T as Pointee>::Metadata) -> Result<Layout, LayoutError>
fn layout_raw(_: <T as Pointee>::Metadata) -> Result<Layout, LayoutError>
Gets the layout of the type.
source§impl<T> Pointable for T
impl<T> Pointable for T
source§impl<S> StreamExt for S
impl<S> StreamExt for S
source§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
source§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
source§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
source§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
source§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
source§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
source§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
source§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 moresource§fn take_while<P>(self, predicate: P) -> TakeWhile<Self, P>
fn take_while<P>(self, predicate: P) -> TakeWhile<Self, P>
source§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 moresource§fn skip_while<P>(self, predicate: P) -> SkipWhile<Self, P>
fn skip_while<P>(self, predicate: P) -> SkipWhile<Self, P>
source§fn step_by(self, step: usize) -> StepBy<Self>where
Self: Sized,
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Yields every
step
th item. Read moresource§fn chain<U>(self, other: U) -> Chain<Self, U>
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Appends another stream to the end of this one. Read more
source§fn collect<C>(self) -> CollectFuture<Self, C> ⓘ
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Collects all items in the stream into a collection. Read more
source§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
source§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 moresource§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
source§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
source§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
source§fn enumerate(self) -> Enumerate<Self>where
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Enumerates items, mapping them to
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. Read moresource§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
source§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 moresource§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
source§fn find<P>(&mut self, predicate: P) -> FindFuture<'_, Self, P> ⓘ
fn find<P>(&mut self, predicate: P) -> FindFuture<'_, Self, P> ⓘ
source§fn find_map<F, B>(&mut self, f: F) -> FindMapFuture<'_, Self, F> ⓘ
fn find_map<F, B>(&mut self, f: F) -> FindMapFuture<'_, Self, F> ⓘ
source§fn position<P>(&mut self, predicate: P) -> PositionFuture<'_, Self, P> ⓘ
fn position<P>(&mut self, predicate: P) -> PositionFuture<'_, Self, P> ⓘ
source§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
source§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
source§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
source§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
source§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 moresource§impl<S> StreamExt for S
impl<S> StreamExt for S
source§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
source§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
source§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
source§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
source§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
source§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
source§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
source§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 moresource§fn take_while<P>(self, predicate: P) -> TakeWhile<Self, P>
fn take_while<P>(self, predicate: P) -> TakeWhile<Self, P>
source§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 moresource§fn skip_while<P>(self, predicate: P) -> SkipWhile<Self, P>
fn skip_while<P>(self, predicate: P) -> SkipWhile<Self, P>
source§fn step_by(self, step: usize) -> StepBy<Self>where
Self: Sized,
fn step_by(self, step: usize) -> StepBy<Self>where
Self: Sized,
Yields every
step
th item. Read moresource§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
source§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
source§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
source§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 moresource§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
source§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
source§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
source§fn enumerate(self) -> Enumerate<Self>where
Self: Sized,
fn enumerate(self) -> Enumerate<Self>where
Self: Sized,
Enumerates items, mapping them to
(index, item)
. Read moresource§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
source§fn nth(&mut self, n: usize) -> NthFuture<'_, Self> ⓘwhere
Self: Unpin,
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Self: Unpin,
Gets the
n
th item of the stream. Read moresource§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
source§fn find<P>(&mut self, predicate: P) -> FindFuture<'_, Self, P> ⓘ
fn find<P>(&mut self, predicate: P) -> FindFuture<'_, Self, P> ⓘ
source§fn find_map<F, B>(&mut self, f: F) -> FindMapFuture<'_, Self, F> ⓘ
fn find_map<F, B>(&mut self, f: F) -> FindMapFuture<'_, Self, F> ⓘ
source§fn position<P>(&mut self, predicate: P) -> PositionFuture<'_, Self, P> ⓘ
fn position<P>(&mut self, predicate: P) -> PositionFuture<'_, Self, P> ⓘ
source§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
source§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
source§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
source§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
source§fn race<S>(self, other: S) -> Race<Self, S>
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Merges with
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source§fn next(&mut self) -> Next<'_, Self>where
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Consumes and returns the next value in the stream or
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Consumes and returns the next item in the stream. If an error is
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source§fn map<T, F>(self, f: F) -> Map<Self, F>
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Maps this stream’s items to a different type, returning a new stream of
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source§fn map_while<T, F>(self, f: F) -> MapWhile<Self, F>
fn map_while<T, F>(self, f: F) -> MapWhile<Self, F>
Map this stream’s items to a different type for as long as determined by
the provided closure. A stream of the target type will be returned,
which will yield elements until the closure returns
None
. Read moresource§fn then<F, Fut>(self, f: F) -> Then<Self, Fut, F>
fn then<F, Fut>(self, f: F) -> Then<Self, Fut, F>
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source§fn merge<U>(self, other: U) -> Merge<Self, U>
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Combine two streams into one by interleaving the output of both as it
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source§fn filter<F>(self, f: F) -> Filter<Self, F>
fn filter<F>(self, f: F) -> Filter<Self, F>
Filters the values produced by this stream according to the provided
predicate. Read more
source§fn filter_map<T, F>(self, f: F) -> FilterMap<Self, F>
fn filter_map<T, F>(self, f: F) -> FilterMap<Self, F>
Filters the values produced by this stream while simultaneously mapping
them to a different type according to the provided closure. Read more
source§fn fuse(self) -> Fuse<Self>where
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fn fuse(self) -> Fuse<Self>where
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Creates a stream which ends after the first
None
. Read moresource§fn take(self, n: usize) -> Take<Self>where
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fn take_while<F>(self, f: F) -> TakeWhile<Self, F>
Take elements from this stream while the provided predicate
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true
. Read moresource§fn skip(self, n: usize) -> Skip<Self>where
Self: Sized,
fn skip(self, n: usize) -> Skip<Self>where
Self: Sized,
Creates a new stream that will skip the
n
first items of the
underlying stream. Read moresource§fn skip_while<F>(self, f: F) -> SkipWhile<Self, F>
fn skip_while<F>(self, f: F) -> SkipWhile<Self, F>
Skip elements from the underlying stream while the provided predicate
resolves to
true
. Read moresource§fn all<F>(&mut self, f: F) -> AllFuture<'_, Self, F>
fn all<F>(&mut self, f: F) -> AllFuture<'_, Self, F>
Tests if every element of the stream matches a predicate. Read more
source§fn any<F>(&mut self, f: F) -> AnyFuture<'_, Self, F>
fn any<F>(&mut self, f: F) -> AnyFuture<'_, Self, F>
Tests if any element of the stream matches a predicate. Read more
source§fn chain<U>(self, other: U) -> Chain<Self, U>
fn chain<U>(self, other: U) -> Chain<Self, U>
Combine two streams into one by first returning all values from the
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source§fn fold<B, F>(self, init: B, f: F) -> FoldFuture<Self, B, F>
fn fold<B, F>(self, init: B, f: F) -> FoldFuture<Self, B, F>
A combinator that applies a function to every element in a stream
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source§fn collect<T>(self) -> Collect<Self, T>
fn collect<T>(self) -> Collect<Self, T>
Drain stream pushing all emitted values into a collection. Read more
source§fn timeout(self, duration: Duration) -> Timeout<Self>where
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fn timeout(self, duration: Duration) -> Timeout<Self>where
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Applies a per-item timeout to the passed stream. Read more
source§fn timeout_repeating(self, interval: Interval) -> TimeoutRepeating<Self>where
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Applies a per-item timeout to the passed stream. Read more
source§impl<T> StreamExt for T
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source§fn next(&mut self) -> Next<'_, Self> ⓘwhere
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Creates a future that resolves to the next item in the stream. Read more
source§fn into_future(self) -> StreamFuture<Self> ⓘ
fn into_future(self) -> StreamFuture<Self> ⓘ
source§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
source§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
source§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
source§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
source§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
source§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
source§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
source§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
source§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
source§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
source§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 moresource§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 moresource§fn flatten(self) -> Flatten<Self>
fn flatten(self) -> Flatten<Self>
Flattens a stream of streams into just one continuous stream. Read more
source§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
source§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 moresource§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 moresource§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 moresource§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 moresource§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
source§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
source§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
source§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 moresource§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 moresource§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
source§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
source§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
source§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
source§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
source§fn zip<St>(self, other: St) -> Zip<Self, St>
fn zip<St>(self, other: St) -> Zip<Self, St>
An adapter for zipping two streams together. Read more
source§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 moresource§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
source§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
source§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
source§fn split<Item>(self) -> (SplitSink<Self, Item>, SplitStream<Self>)
fn split<Item>(self) -> (SplitSink<Self, Item>, SplitStream<Self>)
source§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
source§fn left_stream<B>(self) -> Either<Self, B> ⓘ
fn left_stream<B>(self) -> Either<Self, B> ⓘ
source§fn right_stream<B>(self) -> Either<B, Self> ⓘ
fn right_stream<B>(self) -> Either<B, Self> ⓘ
source§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.source§fn select_next_some(&mut self) -> SelectNextSome<'_, Self> ⓘwhere
Self: Unpin + FusedStream,
fn select_next_some(&mut self) -> SelectNextSome<'_, Self> ⓘwhere
Self: Unpin + FusedStream,
source§impl<T> StreamExt for T
impl<T> StreamExt for T
source§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
source§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 moresource§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
source§fn throttle(self, d: Duration) -> Throttle<Self>where
Self: Sized,
fn throttle(self, d: Duration) -> Throttle<Self>where
Self: Sized,
Limit the amount of items yielded per timeslice in a stream. Read more
source§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 moresource§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
source§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
source§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
source§fn cycle(self) -> Cycle<Self>
fn cycle(self) -> Cycle<Self>
Creates a stream that yields the provided values infinitely and in order. Read more
source§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
source§fn delay(self, dur: Duration) -> Delay<Self>where
Self: Sized,
fn delay(self, dur: Duration) -> Delay<Self>where
Self: Sized,
Creates a stream that is delayed before it starts yielding items. Read more
source§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
source§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
source§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
source§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 moresource§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
source§fn flat_map<U, F>(self, f: F) -> FlatMap<Self, U, F>
fn flat_map<U, F>(self, f: F) -> FlatMap<Self, U, F>
Creates an stream that works like map, but flattens nested structure. Read more
source§fn flatten(self) -> Flatten<Self>
fn flatten(self) -> Flatten<Self>
Creates an stream that flattens nested structure. Read more
source§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
source§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 moresource§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 moresource§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 moresource§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 moresource§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 moresource§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 moresource§fn nth(&mut self, n: usize) -> NthFuture<'_, Self>
fn nth(&mut self, n: usize) -> NthFuture<'_, Self>
Returns the nth element of the stream. Read more
source§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
source§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
source§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
source§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
source§fn partition<B, F>(self, f: F) -> PartitionFuture<Self, F, B>
fn partition<B, F>(self, f: F) -> PartitionFuture<Self, F, B>
A combinator that applies a function to every element in a stream
creating two collections from it. Read more
source§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
source§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
source§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 moresource§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 moresource§fn timeout(self, dur: Duration) -> Timeout<Self>
fn timeout(self, dur: Duration) -> Timeout<Self>
Await a stream or times out after a duration of time. Read more
source§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
source§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
source§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
source§fn unzip<A, B, FromA, FromB>(self) -> UnzipFuture<Self, FromA, FromB>
fn unzip<A, B, FromA, FromB>(self) -> UnzipFuture<Self, FromA, FromB>
Converts an stream of pairs into a pair of containers. Read more
source§fn collect<'a, B>(self) -> Pin<Box<dyn Future<Output = B> + Send + 'a>>
fn collect<'a, B>(self) -> Pin<Box<dyn Future<Output = B> + Send + 'a>>
Transforms a stream into a collection. Read more
source§fn merge<U>(self, other: U) -> Merge<Self, U>
fn merge<U>(self, other: U) -> Merge<Self, U>
Combines multiple streams into a single stream of all their outputs. Read more
source§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 moresource§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
source§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 moresource§fn count(self) -> CountFuture<Self>where
Self: Sized,
fn count(self) -> CountFuture<Self>where
Self: Sized,
Counts the number of elements in the stream. Read more
source§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 moresource§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 moresource§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 moresource§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 moresource§fn le<S>(self, other: S) -> LeFuture<Self, S>
fn le<S>(self, other: S) -> LeFuture<Self, S>
Determines if the elements of this
Stream
are lexicographically
less or equal to those of another. Read moresource§fn lt<S>(self, other: S) -> LtFuture<Self, S>
fn lt<S>(self, other: S) -> LtFuture<Self, S>
Determines if the elements of this
Stream
are lexicographically
less than those of another. Read moresource§impl<'a, S> StreamRateLimitExt<'a> for Swhere
S: Stream,
impl<'a, S> StreamRateLimitExt<'a> for Swhere
S: Stream,
source§fn ratelimit_stream<D, C>(
self,
limiter: &'a RateLimiter<NotKeyed, D, C>
) -> RatelimitedStream<'a, S, D, C>
fn ratelimit_stream<D, C>( self, limiter: &'a RateLimiter<NotKeyed, D, C> ) -> RatelimitedStream<'a, S, D, C>
Limits the rate at which the stream produces items. Read more
source§fn ratelimit_stream_with_jitter<D, C>(
self,
limiter: &'a RateLimiter<NotKeyed, D, C>,
jitter: Jitter
) -> RatelimitedStream<'a, S, D, C>
fn ratelimit_stream_with_jitter<D, C>( self, limiter: &'a RateLimiter<NotKeyed, D, C>, jitter: Jitter ) -> RatelimitedStream<'a, S, D, C>
Limits the rate at which the stream produces items, with a randomized wait period. Read more
source§impl<SS, SP> SupersetOf<SS> for SPwhere
SS: SubsetOf<SP>,
impl<SS, SP> SupersetOf<SS> for SPwhere
SS: SubsetOf<SP>,
source§fn to_subset(&self) -> Option<SS>
fn to_subset(&self) -> Option<SS>
The inverse inclusion map: attempts to construct
self
from the equivalent element of its
superset. Read moresource§fn is_in_subset(&self) -> bool
fn is_in_subset(&self) -> bool
Checks if
self
is actually part of its subset T
(and can be converted to it).source§fn to_subset_unchecked(&self) -> SS
fn to_subset_unchecked(&self) -> SS
Use with care! Same as
self.to_subset
but without any property checks. Always succeeds.source§fn from_subset(element: &SS) -> SP
fn from_subset(element: &SS) -> SP
The inclusion map: converts
self
to the equivalent element of its superset.source§impl<S> TryStreamExt for S
impl<S> TryStreamExt for S
source§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
source§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
source§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
source§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 moresource§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 moresource§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
source§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
source§fn into_stream(self) -> IntoStream<Self>where
Self: Sized,
fn into_stream(self) -> IntoStream<Self>where
Self: Sized,
source§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
source§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
source§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 moresource§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 moresource§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
source§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
source§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
source§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
source§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
source§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
source§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
source§fn try_flatten(self) -> TryFlatten<Self>
fn try_flatten(self) -> TryFlatten<Self>
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> ⓘ
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
source§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
source§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
source§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
source§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.source§fn into_async_read(self) -> IntoAsyncRead<Self>
fn into_async_read(self) -> IntoAsyncRead<Self>
Adapter that converts this stream into an
AsyncBufRead
. Read moresource§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 moresource§impl<T> Upcastable for T
impl<T> Upcastable for T
source§fn upcast_any_ref(&self) -> &(dyn Any + 'static)
fn upcast_any_ref(&self) -> &(dyn Any + 'static)
upcast ref
source§fn upcast_any_mut(&mut self) -> &mut (dyn Any + 'static)
fn upcast_any_mut(&mut self) -> &mut (dyn Any + 'static)
upcast mut ref