pub(super) struct StreamReaderWithPause<const BIASED: bool, M> {
inner: SelectWithStrategy<BoxStream<'static, StreamExecutorResult<Either<Message, M>>>, BoxStream<'static, StreamExecutorResult<Either<Message, M>>>, impl FnMut(&mut PollNext) -> PollNext, PollNext>,
paused: bool,
}Expand description
StreamReaderWithPause merges two streams, with one receiving barriers (and maybe other types
of messages) and the other receiving data only (no barrier). The merged stream can be paused
(StreamReaderWithPause::pause_stream) and resumed (StreamReaderWithPause::resume_stream).
A paused stream will not receive any data from either original stream until a barrier arrives
and the stream is resumed.
§Priority
If BIASED is true, the left-hand stream (the one receiving barriers) will get a higher
priority over the right-hand one. Otherwise, the two streams will be polled in a round robin
fashion.
Fields§
§inner: SelectWithStrategy<BoxStream<'static, StreamExecutorResult<Either<Message, M>>>, BoxStream<'static, StreamExecutorResult<Either<Message, M>>>, impl FnMut(&mut PollNext) -> PollNext, PollNext>§paused: boolWhether the source stream is paused.
Implementations§
source§impl<const BIASED: bool, M: Send + 'static> StreamReaderWithPause<BIASED, M>
impl<const BIASED: bool, M: Send + 'static> StreamReaderWithPause<BIASED, M>
sourcepub fn new(
message_stream: BoxStream<'static, StreamExecutorResult<Message>>,
data_stream: impl Stream<Item = StreamExecutorResult<M>> + Send + 'static,
) -> Self
pub fn new( message_stream: BoxStream<'static, StreamExecutorResult<Message>>, data_stream: impl Stream<Item = StreamExecutorResult<M>> + Send + 'static, ) -> Self
Construct a StreamReaderWithPause with one stream receiving barrier messages (and maybe
other types of messages) and the other receiving data only (no barrier).
sourcepub fn replace_data_stream(
&mut self,
data_stream: impl Stream<Item = StreamExecutorResult<M>> + Send + 'static,
)
pub fn replace_data_stream( &mut self, data_stream: impl Stream<Item = StreamExecutorResult<M>> + Send + 'static, )
Replace the data stream with a new one for given stream. Used for split change.
sourcepub fn pause_stream(&mut self)
pub fn pause_stream(&mut self)
Pause the data stream.
sourcepub fn resume_stream(&mut self)
pub fn resume_stream(&mut self)
Resume the data stream.
Trait Implementations§
source§impl<const BIASED: bool, M> Stream for StreamReaderWithPause<BIASED, M>
impl<const BIASED: bool, M> Stream for StreamReaderWithPause<BIASED, M>
source§type Item = Result<Either<MessageInner<Option<Arc<Mutation>>>, M>, StreamExecutorError>
type Item = Result<Either<MessageInner<Option<Arc<Mutation>>>, M>, StreamExecutorError>
Values yielded by the stream.
Auto Trait Implementations§
impl<const BIASED: bool, M> Freeze for StreamReaderWithPause<BIASED, M>
impl<const BIASED: bool, M> !RefUnwindSafe for StreamReaderWithPause<BIASED, M>
impl<const BIASED: bool, M> Send for StreamReaderWithPause<BIASED, M>
impl<const BIASED: bool, M> !Sync for StreamReaderWithPause<BIASED, M>
impl<const BIASED: bool, M> Unpin for StreamReaderWithPause<BIASED, M>
impl<const BIASED: bool, M> !UnwindSafe for StreamReaderWithPause<BIASED, M>
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§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 more§fn then<F, Fut>(self, f: F) -> Then<Self, Fut, F>
fn then<F, Fut>(self, f: F) -> Then<Self, Fut, F>
Maps this stream’s items asynchronously to a different type, returning a
new stream of the resulting type. Read more
§fn merge<U>(self, other: U) -> Merge<Self, U>
fn merge<U>(self, other: U) -> Merge<Self, U>
Combine two streams into one by interleaving the output of both as it
is produced. Read more
§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
§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
§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 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 take_while<F>(self, f: F) -> TakeWhile<Self, F>
fn take_while<F>(self, f: F) -> TakeWhile<Self, F>
Take elements from this stream while the provided predicate
resolves to
true. 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 that will skip the
n first items of the
underlying stream. Read more§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 more§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
§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
§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
first stream then all values from the second stream. Read more
§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
producing a single, final value. Read more
§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
§fn timeout(self, duration: Duration) -> Timeout<Self>where
Self: Sized,
fn timeout(self, duration: Duration) -> Timeout<Self>where
Self: Sized,
Applies a per-item timeout to the passed stream. Read more
§fn timeout_repeating(self, interval: Interval) -> TimeoutRepeating<Self>where
Self: Sized,
fn timeout_repeating(self, interval: Interval) -> TimeoutRepeating<Self>where
Self: Sized,
Applies a per-item timeout to the passed stream. Read more
§fn throttle(self, duration: Duration) -> Throttle<Self>where
Self: Sized,
fn throttle(self, duration: Duration) -> Throttle<Self>where
Self: Sized,
Slows down a stream by enforcing a delay between items. 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 Streams
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>where
S: Sink<Self::Ok, Error = Self::Error>,
Self: Sized + TryStream,
fn forward<S>(self, sink: S) -> Forward<Self, S>where
S: Sink<Self::Ok, Error = Self::Error>,
Self: Sized + 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
§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
stepth 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
skips 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<'a, S> StreamRateLimitExt<'a> for Swhere
S: Stream,
impl<'a, S> StreamRateLimitExt<'a> for Swhere
S: Stream,
§fn ratelimit_stream<D, C, MW>(
self,
limiter: &'a RateLimiter<NotKeyed, D, C, MW>,
) -> RatelimitedStream<'a, S, D, C, MW>where
D: DirectStateStore,
C: Clock + ReasonablyRealtime,
MW: RateLimitingMiddleware<<C as Clock>::Instant>,
fn ratelimit_stream<D, C, MW>(
self,
limiter: &'a RateLimiter<NotKeyed, D, C, MW>,
) -> RatelimitedStream<'a, S, D, C, MW>where
D: DirectStateStore,
C: Clock + ReasonablyRealtime,
MW: RateLimitingMiddleware<<C as Clock>::Instant>,
Limits the rate at which the stream produces items. Read more
§fn ratelimit_stream_with_jitter<D, C, MW>(
self,
limiter: &'a RateLimiter<NotKeyed, D, C, MW>,
jitter: Jitter,
) -> RatelimitedStream<'a, S, D, C, MW>where
D: DirectStateStore,
C: Clock + ReasonablyRealtime,
MW: RateLimitingMiddleware<<C as Clock>::Instant>,
fn ratelimit_stream_with_jitter<D, C, MW>(
self,
limiter: &'a RateLimiter<NotKeyed, D, C, MW>,
jitter: Jitter,
) -> RatelimitedStream<'a, S, D, C, MW>where
D: DirectStateStore,
C: Clock + ReasonablyRealtime,
MW: RateLimitingMiddleware<<C as Clock>::Instant>,
Limits the rate at which the stream produces items, with a randomized wait period. Read more
§impl<T> Tap for T
impl<T> Tap for T
§fn tap_borrow<B>(self, func: impl FnOnce(&B)) -> Self
fn tap_borrow<B>(self, func: impl FnOnce(&B)) -> Self
Immutable access to the
Borrow<B> of a value. Read more§fn tap_borrow_mut<B>(self, func: impl FnOnce(&mut B)) -> Self
fn tap_borrow_mut<B>(self, func: impl FnOnce(&mut B)) -> Self
Mutable access to the
BorrowMut<B> of a value. Read more§fn tap_ref<R>(self, func: impl FnOnce(&R)) -> Self
fn tap_ref<R>(self, func: impl FnOnce(&R)) -> Self
Immutable access to the
AsRef<R> view of a value. Read more§fn tap_ref_mut<R>(self, func: impl FnOnce(&mut R)) -> Self
fn tap_ref_mut<R>(self, func: impl FnOnce(&mut R)) -> Self
Mutable access to the
AsMut<R> view of a value. Read more§fn tap_deref<T>(self, func: impl FnOnce(&T)) -> Self
fn tap_deref<T>(self, func: impl FnOnce(&T)) -> Self
Immutable access to the
Deref::Target of a value. Read more§fn tap_deref_mut<T>(self, func: impl FnOnce(&mut T)) -> Self
fn tap_deref_mut<T>(self, func: impl FnOnce(&mut T)) -> Self
Mutable access to the
Deref::Target of a value. Read more§fn tap_dbg(self, func: impl FnOnce(&Self)) -> Self
fn tap_dbg(self, func: impl FnOnce(&Self)) -> Self
Calls
.tap() only in debug builds, and is erased in release builds.§fn tap_mut_dbg(self, func: impl FnOnce(&mut Self)) -> Self
fn tap_mut_dbg(self, func: impl FnOnce(&mut Self)) -> Self
Calls
.tap_mut() only in debug builds, and is erased in release
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builds.§impl<T> TryConv for T
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§impl<S, T, E> TryStream for S
impl<S, T, E> TryStream for S
§impl<S> TryStreamExt for Swhere
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impl<S> TryStreamExt for Swhere
S: TryStream + ?Sized,
§fn err_into<E>(self) -> ErrInto<Self, E>
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§fn map_ok<T, F>(self, f: F) -> MapOk<Self, F>
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§fn map_err<E, F>(self, f: F) -> MapErr<Self, F>
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§fn and_then<Fut, F>(self, f: F) -> AndThen<Self, Fut, F>
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§fn inspect_err<F>(self, f: F) -> InspectErr<Self, F>
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§fn into_stream(self) -> IntoStream<Self>where
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fn into_stream(self) -> IntoStream<Self>where
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§fn try_next(&mut self) -> TryNext<'_, Self>where
Self: Unpin,
fn try_next(&mut self) -> TryNext<'_, Self>where
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§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>
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§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
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fn try_take_while<Fut, F>(self, f: F) -> TryTakeWhile<Self, Fut, F>
Take elements on this stream while the provided asynchronous predicate
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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>
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closure for each element on the stream concurrently as elements become
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§fn try_collect<C>(self) -> TryCollect<Self, C>
fn try_collect<C>(self) -> TryCollect<Self, C>
Attempt to transform a stream into a collection,
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§fn try_chunks(self, capacity: usize) -> TryChunks<Self>where
Self: Sized,
fn try_chunks(self, capacity: usize) -> TryChunks<Self>where
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§fn try_ready_chunks(self, capacity: usize) -> TryReadyChunks<Self>where
Self: Sized,
fn try_ready_chunks(self, capacity: usize) -> TryReadyChunks<Self>where
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§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>
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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.
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§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
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§fn try_concat(self) -> TryConcat<Self>
fn try_concat(self) -> TryConcat<Self>
Attempt to concatenate all items of a stream into a single
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§fn try_buffer_unordered(self, n: usize) -> TryBufferUnordered<Self>where
Self::Ok: TryFuture<Error = Self::Error>,
Self: Sized,
fn try_buffer_unordered(self, n: usize) -> TryBufferUnordered<Self>where
Self::Ok: TryFuture<Error = Self::Error>,
Self: Sized,
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§fn try_buffered(self, n: usize) -> TryBuffered<Self>where
Self::Ok: TryFuture<Error = Self::Error>,
Self: Sized,
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Self::Ok: TryFuture<Error = Self::Error>,
Self: Sized,
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§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
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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