pub struct TestHeaderDownloader { /* private fields */ }
Available on crate feature
test-utils
only.Expand description
A test downloader which just returns the values that have been pushed to it.
Implementations§
Trait Implementations§
Source§impl Debug for TestHeaderDownloader
impl Debug for TestHeaderDownloader
Source§impl HeaderDownloader for TestHeaderDownloader
impl HeaderDownloader for TestHeaderDownloader
Source§fn update_local_head(&mut self, _head: SealedHeader)
fn update_local_head(&mut self, _head: SealedHeader)
Updates the block number of the local database
Source§fn update_sync_target(&mut self, _target: SyncTarget)
fn update_sync_target(&mut self, _target: SyncTarget)
Updates the target we want to sync to
Source§fn set_batch_size(&mut self, limit: usize)
fn set_batch_size(&mut self, limit: usize)
Sets the headers batch size that the Stream should return.
Source§fn update_sync_gap(
&mut self,
head: SealedHeader<Self::Header>,
target: SyncTarget,
)
fn update_sync_gap( &mut self, head: SealedHeader<Self::Header>, target: SyncTarget, )
Updates the gap to sync which ranges from local head to the sync target Read more
Source§impl Stream for TestHeaderDownloader
impl Stream for TestHeaderDownloader
Source§type Item = Result<Vec<SealedHeader>, HeadersDownloaderError<Header>>
type Item = Result<Vec<SealedHeader>, HeadersDownloaderError<Header>>
Values yielded by the stream.
Auto Trait Implementations§
impl Freeze for TestHeaderDownloader
impl !RefUnwindSafe for TestHeaderDownloader
impl Send for TestHeaderDownloader
impl Sync for TestHeaderDownloader
impl Unpin for TestHeaderDownloader
impl !UnwindSafe for TestHeaderDownloader
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> Conv for T
impl<T> Conv for T
§impl<T> FmtForward for T
impl<T> FmtForward for T
§fn fmt_binary(self) -> FmtBinary<Self>where
Self: Binary,
fn fmt_binary(self) -> FmtBinary<Self>where
Self: Binary,
Causes
self
to use its Binary
implementation when Debug
-formatted.§fn fmt_display(self) -> FmtDisplay<Self>where
Self: Display,
fn fmt_display(self) -> FmtDisplay<Self>where
Self: Display,
Causes
self
to use its Display
implementation when
Debug
-formatted.§fn fmt_lower_exp(self) -> FmtLowerExp<Self>where
Self: LowerExp,
fn fmt_lower_exp(self) -> FmtLowerExp<Self>where
Self: LowerExp,
Causes
self
to use its LowerExp
implementation when
Debug
-formatted.§fn fmt_lower_hex(self) -> FmtLowerHex<Self>where
Self: LowerHex,
fn fmt_lower_hex(self) -> FmtLowerHex<Self>where
Self: LowerHex,
Causes
self
to use its LowerHex
implementation when
Debug
-formatted.§fn fmt_octal(self) -> FmtOctal<Self>where
Self: Octal,
fn fmt_octal(self) -> FmtOctal<Self>where
Self: Octal,
Causes
self
to use its Octal
implementation when Debug
-formatted.§fn fmt_pointer(self) -> FmtPointer<Self>where
Self: Pointer,
fn fmt_pointer(self) -> FmtPointer<Self>where
Self: Pointer,
Causes
self
to use its Pointer
implementation when
Debug
-formatted.§fn fmt_upper_exp(self) -> FmtUpperExp<Self>where
Self: UpperExp,
fn fmt_upper_exp(self) -> FmtUpperExp<Self>where
Self: UpperExp,
Causes
self
to use its UpperExp
implementation when
Debug
-formatted.§fn fmt_upper_hex(self) -> FmtUpperHex<Self>where
Self: UpperHex,
fn fmt_upper_hex(self) -> FmtUpperHex<Self>where
Self: UpperHex,
Causes
self
to use its UpperHex
implementation when
Debug
-formatted.§fn fmt_list(self) -> FmtList<Self>where
&'a Self: for<'a> IntoIterator,
fn fmt_list(self) -> FmtList<Self>where
&'a Self: for<'a> IntoIterator,
Formats each item in a sequence. Read more
§impl<T> Instrument for T
impl<T> Instrument for T
§fn instrument(self, span: Span) -> Instrumented<Self>
fn instrument(self, span: Span) -> Instrumented<Self>
§fn in_current_span(self) -> Instrumented<Self>
fn in_current_span(self) -> Instrumented<Self>
Source§impl<T> IntoEither for T
impl<T> IntoEither for T
Source§fn into_either(self, into_left: bool) -> Either<Self, Self>
fn into_either(self, into_left: bool) -> Either<Self, Self>
Converts
self
into a Left
variant of Either<Self, Self>
if into_left
is true
.
Converts self
into a Right
variant of Either<Self, Self>
otherwise. Read moreSource§fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
Converts
self
into a Left
variant of Either<Self, Self>
if into_left(&self)
returns true
.
Converts self
into a Right
variant of Either<Self, Self>
otherwise. Read more§impl<T> Pipe for Twhere
T: ?Sized,
impl<T> Pipe for Twhere
T: ?Sized,
§fn pipe<R>(self, func: impl FnOnce(Self) -> R) -> Rwhere
Self: Sized,
fn pipe<R>(self, func: impl FnOnce(Self) -> R) -> Rwhere
Self: Sized,
Pipes by value. This is generally the method you want to use. Read more
§fn pipe_ref<'a, R>(&'a self, func: impl FnOnce(&'a Self) -> R) -> Rwhere
R: 'a,
fn pipe_ref<'a, R>(&'a self, func: impl FnOnce(&'a Self) -> R) -> Rwhere
R: 'a,
Borrows
self
and passes that borrow into the pipe function. Read more§fn pipe_ref_mut<'a, R>(&'a mut self, func: impl FnOnce(&'a mut Self) -> R) -> Rwhere
R: 'a,
fn pipe_ref_mut<'a, R>(&'a mut self, func: impl FnOnce(&'a mut Self) -> R) -> Rwhere
R: 'a,
Mutably borrows
self
and passes that borrow into the pipe function. Read more§fn pipe_borrow<'a, B, R>(&'a self, func: impl FnOnce(&'a B) -> R) -> R
fn pipe_borrow<'a, B, R>(&'a self, func: impl FnOnce(&'a B) -> R) -> R
§fn pipe_borrow_mut<'a, B, R>(
&'a mut self,
func: impl FnOnce(&'a mut B) -> R,
) -> R
fn pipe_borrow_mut<'a, B, R>( &'a mut self, func: impl FnOnce(&'a mut B) -> R, ) -> R
§fn pipe_as_ref<'a, U, R>(&'a self, func: impl FnOnce(&'a U) -> R) -> R
fn pipe_as_ref<'a, U, R>(&'a self, func: impl FnOnce(&'a U) -> R) -> R
Borrows
self
, then passes self.as_ref()
into the pipe function.§fn pipe_as_mut<'a, U, R>(&'a mut self, func: impl FnOnce(&'a mut U) -> R) -> R
fn pipe_as_mut<'a, U, R>(&'a mut self, func: impl FnOnce(&'a mut U) -> R) -> R
Mutably borrows
self
, then passes self.as_mut()
into the pipe
function.§fn pipe_deref<'a, T, R>(&'a self, func: impl FnOnce(&'a T) -> R) -> R
fn pipe_deref<'a, T, R>(&'a self, func: impl FnOnce(&'a T) -> R) -> R
Borrows
self
, then passes self.deref()
into the pipe function.§impl<T> Pointable for T
impl<T> Pointable for T
§impl<T> StreamExt for Twhere
T: Stream + ?Sized,
impl<T> StreamExt for Twhere
T: Stream + ?Sized,
§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>where
Self::Item: Stream,
Self: Sized,
fn flatten(self) -> Flatten<Self>where
Self::Item: Stream,
Self: Sized,
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, ()>
Available on crate feature
alloc
only.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>
Available on crate feature
alloc
only.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>
Available on crate feature
alloc
only.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,
Available on crate feature
std
only.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>>
Available on crate feature
alloc
only.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,
Available on crate feature
alloc
only.Wrap the stream in a Box, pinning it. Read more
§fn buffered(self, n: usize) -> Buffered<Self>
fn buffered(self, n: usize) -> Buffered<Self>
Available on crate feature
alloc
only.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>
Available on crate feature
alloc
only.An adaptor for creating a buffered list of pending futures (unordered). Read more
§fn zip<St>(self, other: St) -> Zip<Self, St>where
St: Stream,
Self: Sized,
fn zip<St>(self, other: St) -> Zip<Self, St>where
St: Stream,
Self: Sized,
An adapter for zipping two streams together. Read more
§fn chain<St>(self, other: St) -> Chain<Self, St>where
St: Stream<Item = Self::Item>,
Self: Sized,
fn chain<St>(self, other: St) -> Chain<Self, St>where
St: Stream<Item = Self::Item>,
Self: Sized,
Adapter for chaining two streams. 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,
Available on crate feature
alloc
only.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,
Available on crate feature
alloc
only.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,
Available on crate feature
sink
only.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>)where
Self: Sized + Sink<Item>,
fn split<Item>(self) -> (SplitSink<Self, Item>, SplitStream<Self>)where
Self: Sized + Sink<Item>,
Available on crate features
sink
and alloc
only.§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> ⓘwhere
B: Stream<Item = Self::Item>,
Self: Sized,
fn left_stream<B>(self) -> Either<Self, B> ⓘwhere
B: Stream<Item = Self::Item>,
Self: Sized,
§fn right_stream<B>(self) -> Either<B, Self> ⓘwhere
B: Stream<Item = Self::Item>,
Self: Sized,
fn right_stream<B>(self) -> Either<B, Self> ⓘwhere
B: Stream<Item = Self::Item>,
Self: Sized,
§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> 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
builds.§fn tap_borrow_dbg<B>(self, func: impl FnOnce(&B)) -> Self
fn tap_borrow_dbg<B>(self, func: impl FnOnce(&B)) -> Self
Calls
.tap_borrow()
only in debug builds, and is erased in release
builds.§fn tap_borrow_mut_dbg<B>(self, func: impl FnOnce(&mut B)) -> Self
fn tap_borrow_mut_dbg<B>(self, func: impl FnOnce(&mut B)) -> Self
Calls
.tap_borrow_mut()
only in debug builds, and is erased in release
builds.§fn tap_ref_dbg<R>(self, func: impl FnOnce(&R)) -> Self
fn tap_ref_dbg<R>(self, func: impl FnOnce(&R)) -> Self
Calls
.tap_ref()
only in debug builds, and is erased in release
builds.§fn tap_ref_mut_dbg<R>(self, func: impl FnOnce(&mut R)) -> Self
fn tap_ref_mut_dbg<R>(self, func: impl FnOnce(&mut R)) -> Self
Calls
.tap_ref_mut()
only in debug builds, and is erased in release
builds.§fn tap_deref_dbg<T>(self, func: impl FnOnce(&T)) -> Self
fn tap_deref_dbg<T>(self, func: impl FnOnce(&T)) -> Self
Calls
.tap_deref()
only in debug builds, and is erased in release
builds.§impl<T> TryConv for T
impl<T> TryConv for T
§impl<S, T, E> TryStream for S
impl<S, T, E> TryStream for S
§impl<S> TryStreamExt for Swhere
S: TryStream + ?Sized,
impl<S> TryStreamExt for Swhere
S: TryStream + ?Sized,
§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>
Available on crate feature
alloc
only.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,
Available on crate feature
alloc
only.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,
Available on crate feature
alloc
only.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>
Available on crate feature
alloc
only.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>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,
Available on crate feature
alloc
only.Attempt to execute several futures from a stream concurrently (unordered). Read more
§fn try_buffered(self, n: usize) -> TryBuffered<Self>where
Self::Ok: TryFuture<Error = Self::Error>,
Self: Sized,
fn try_buffered(self, n: usize) -> TryBuffered<Self>where
Self::Ok: TryFuture<Error = Self::Error>,
Self: Sized,
Available on crate feature
alloc
only.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>
Available on crate features
io
and std
only.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§impl<T> WithSubscriber for T
impl<T> WithSubscriber for T
§fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>where
S: Into<Dispatch>,
fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>where
S: Into<Dispatch>,
§fn with_current_subscriber(self) -> WithDispatch<Self>
fn with_current_subscriber(self) -> WithDispatch<Self>
impl<T> ErasedDestructor for Twhere
T: 'static,
impl<T> MaybeDebug for Twhere
T: Debug,
impl<T> MaybeSendSync for T
Layout§
Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...)
attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.
Size: 160 bytes