pub struct Abortable<T> { /* private fields */ }
Expand description
A future/stream which can be remotely short-circuited using an AbortHandle
.
Implementations§
source§impl<T> Abortable<T>
impl<T> Abortable<T>
NOTE: forked from rust futures
sourcepub fn new(task: T, reg: AbortRegistration) -> Self
pub fn new(task: T, reg: AbortRegistration) -> Self
Create new abortable future/stream
sourcepub fn is_aborted(&self) -> bool
pub fn is_aborted(&self) -> bool
Check if the abortable got aborted
Trait Implementations§
source§impl<R> AsyncRead for Abortable<R>where
R: AsyncRead,
impl<R> AsyncRead for Abortable<R>where
R: AsyncRead,
Implementation to make Abortable AsyncRead
source§impl<R> AsyncWrite for Abortable<R>where
R: AsyncWrite,
impl<R> AsyncWrite for Abortable<R>where
R: AsyncWrite,
Implementation to make Abortable AsyncWrite
source§fn poll_write(
self: Pin<&mut Self>,
cx: &mut Context<'_>,
buf: &[u8]
) -> Poll<Result<usize>>
fn poll_write(
self: Pin<&mut Self>,
cx: &mut Context<'_>,
buf: &[u8]
) -> Poll<Result<usize>>
Attempt to write bytes from
buf
into the object. Read moresource§fn poll_write_vectored(
self: Pin<&mut Self>,
cx: &mut Context<'_>,
bufs: &[IoSlice<'_>]
) -> Poll<Result<usize>>
fn poll_write_vectored(
self: Pin<&mut Self>,
cx: &mut Context<'_>,
bufs: &[IoSlice<'_>]
) -> Poll<Result<usize>>
Like
poll_write
, except that it writes from a slice of buffers. Read moresource§fn is_write_vectored(&self) -> bool
fn is_write_vectored(&self) -> bool
Determines if this writer has an efficient
poll_write_vectored
implementation. Read moresource§impl<St> Stream for Abortable<St>where
St: Stream,
impl<St> Stream for Abortable<St>where
St: Stream,
Implementation to make Abortable Stream
impl<'__pin, T> Unpin for Abortable<T>where
__Origin<'__pin, T>: Unpin,
Auto Trait Implementations§
impl<T> !RefUnwindSafe for Abortable<T>
impl<T> Send for Abortable<T>where
T: Send,
impl<T> Sync for Abortable<T>where
T: Sync,
impl<T> !UnwindSafe for Abortable<T>
Blanket Implementations§
§impl<T> FutureExt for Twhere
T: Future + ?Sized,
impl<T> FutureExt for Twhere
T: Future + ?Sized,
§fn map<U, F>(self, f: F) -> Map<Self, F>where
F: FnOnce(Self::Output) -> U,
Self: Sized,
fn map<U, F>(self, f: F) -> Map<Self, F>where
F: FnOnce(Self::Output) -> U,
Self: Sized,
Map this future’s output to a different type, returning a new future of
the resulting type. Read more
§fn map_into<U>(self) -> MapInto<Self, U>where
Self::Output: Into<U>,
Self: Sized,
fn map_into<U>(self) -> MapInto<Self, U>where
Self::Output: Into<U>,
Self: Sized,
Map this future’s output to a different type, returning a new future of
the resulting type. Read more
§fn then<Fut, F>(self, f: F) -> Then<Self, Fut, F>where
F: FnOnce(Self::Output) -> Fut,
Fut: Future,
Self: Sized,
fn then<Fut, F>(self, f: F) -> Then<Self, Fut, F>where
F: FnOnce(Self::Output) -> Fut,
Fut: Future,
Self: Sized,
Chain on a computation for when a future finished, passing the result of
the future to the provided closure
f
. Read more§fn left_future<B>(self) -> Either<Self, B>where
B: Future<Output = Self::Output>,
Self: Sized,
fn left_future<B>(self) -> Either<Self, B>where
B: Future<Output = Self::Output>,
Self: Sized,
§fn right_future<A>(self) -> Either<A, Self>where
A: Future<Output = Self::Output>,
Self: Sized,
fn right_future<A>(self) -> Either<A, Self>where
A: Future<Output = Self::Output>,
Self: Sized,
§fn into_stream(self) -> IntoStream<Self>where
Self: Sized,
fn into_stream(self) -> IntoStream<Self>where
Self: Sized,
Convert this future into a single element stream. Read more
§fn flatten(self) -> Flatten<Self>where
Self::Output: Future,
Self: Sized,
fn flatten(self) -> Flatten<Self>where
Self::Output: Future,
Self: Sized,
Flatten the execution of this future when the output of this
future is itself another future. Read more
§fn flatten_stream(self) -> FlattenStream<Self>where
Self::Output: Stream,
Self: Sized,
fn flatten_stream(self) -> FlattenStream<Self>where
Self::Output: Stream,
Self: Sized,
Flatten the execution of this future when the successful result of this
future is a stream. Read more
§fn fuse(self) -> Fuse<Self>where
Self: Sized,
fn fuse(self) -> Fuse<Self>where
Self: Sized,
Fuse a future such that
poll
will never again be called once it has
completed. This method can be used to turn any Future
into a
FusedFuture
. Read more§fn inspect<F>(self, f: F) -> Inspect<Self, F>where
F: FnOnce(&Self::Output),
Self: Sized,
fn inspect<F>(self, f: F) -> Inspect<Self, F>where
F: FnOnce(&Self::Output),
Self: Sized,
Do something with the output of a future before passing it on. 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 future. Read more
Create a cloneable handle to this future where all handles will resolve
to the same result. Read more
§fn remote_handle(self) -> (Remote<Self>, RemoteHandle<Self::Output>)where
Self: Sized,
fn remote_handle(self) -> (Remote<Self>, RemoteHandle<Self::Output>)where
Self: Sized,
Turn this future into a future that yields
()
on completion and sends
its output to another future on a separate task. Read more§fn boxed<'a>(
self
) -> Pin<Box<dyn Future<Output = Self::Output> + Send + 'a, Global>>where
Self: 'a + Sized + Send,
fn boxed<'a>(
self
) -> Pin<Box<dyn Future<Output = Self::Output> + Send + 'a, Global>>where
Self: 'a + Sized + Send,
Wrap the future in a Box, pinning it. Read more
§fn boxed_local<'a>(
self
) -> Pin<Box<dyn Future<Output = Self::Output> + 'a, Global>>where
Self: 'a + Sized,
fn boxed_local<'a>(
self
) -> Pin<Box<dyn Future<Output = Self::Output> + 'a, Global>>where
Self: 'a + Sized,
Wrap the future in a Box, pinning it. Read more
§fn unit_error(self) -> UnitError<Self>where
Self: Sized,
fn unit_error(self) -> UnitError<Self>where
Self: Sized,
§fn never_error(self) -> NeverError<Self>where
Self: Sized,
fn never_error(self) -> NeverError<Self>where
Self: Sized,
source§impl<F> IntoFuture for Fwhere
F: Future,
impl<F> IntoFuture for Fwhere
F: Future,
§type IntoFuture = F
type IntoFuture = F
Which kind of future are we turning this into?
source§fn into_future(self) -> <F as IntoFuture>::IntoFuture
fn into_future(self) -> <F as IntoFuture>::IntoFuture
Creates a future from a value. Read more
§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>where
Self: Sized + Unpin,
fn into_future(self) -> StreamFuture<Self>where
Self: Sized + Unpin,
§fn map<T, F>(self, f: F) -> Map<Self, F>where
F: FnMut(Self::Item) -> T,
Self: Sized,
fn map<T, F>(self, f: F) -> Map<Self, F>where
F: FnMut(Self::Item) -> T,
Self: Sized,
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>where
F: FnMut(&Self::Item) -> Fut,
Fut: Future<Output = bool>,
Self: Sized,
fn filter<Fut, F>(self, f: F) -> Filter<Self, Fut, F>where
F: FnMut(&Self::Item) -> Fut,
Fut: Future<Output = bool>,
Self: Sized,
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>where
F: FnMut(Self::Item) -> Fut,
Fut: Future<Output = Option<T>>,
Self: Sized,
fn filter_map<Fut, T, F>(self, f: F) -> FilterMap<Self, Fut, F>where
F: FnMut(Self::Item) -> Fut,
Fut: Future<Output = Option<T>>,
Self: Sized,
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>where
F: FnMut(Self::Item) -> Fut,
Fut: Future,
Self: Sized,
fn then<Fut, F>(self, f: F) -> Then<Self, Fut, F>where
F: FnMut(Self::Item) -> Fut,
Fut: Future,
Self: Sized,
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>where
C: Default + Extend<Self::Item>,
Self: Sized,
fn collect<C>(self) -> Collect<Self, C>where
C: Default + Extend<Self::Item>,
Self: Sized,
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>where
FromA: Default + Extend<A>,
FromB: Default + Extend<B>,
Self: Sized + Stream<Item = (A, B)>,
fn unzip<A, B, FromA, FromB>(self) -> Unzip<Self, FromA, FromB>where
FromA: Default + Extend<A>,
FromB: Default + Extend<B>,
Self: Sized + Stream<Item = (A, B)>,
Converts a stream of pairs into a future, which
resolves to pair of containers. Read more
§fn concat(self) -> Concat<Self>where
Self: Sized,
Self::Item: Extend<<Self::Item as IntoIterator>::Item> + IntoIterator + Default,
fn concat(self) -> Concat<Self>where
Self: Sized,
Self::Item: Extend<<Self::Item as IntoIterator>::Item> + IntoIterator + Default,
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>where
F: FnMut(T, Self::Item) -> Fut,
Fut: Future<Output = T>,
Self: Sized,
fn fold<T, Fut, F>(self, init: T, f: F) -> Fold<Self, Fut, T, F>where
F: FnMut(T, Self::Item) -> Fut,
Fut: Future<Output = T>,
Self: Sized,
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>where
F: FnMut(Self::Item) -> Fut,
Fut: Future<Output = bool>,
Self: Sized,
fn any<Fut, F>(self, f: F) -> Any<Self, Fut, F>where
F: FnMut(Self::Item) -> Fut,
Fut: Future<Output = bool>,
Self: Sized,
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>where
F: FnMut(Self::Item) -> Fut,
Fut: Future<Output = bool>,
Self: Sized,
fn all<Fut, F>(self, f: F) -> All<Self, Fut, F>where
F: FnMut(Self::Item) -> Fut,
Fut: Future<Output = bool>,
Self: Sized,
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>>
) -> FlattenUnordered<Self>where
Self::Item: Stream + Unpin,
Self: Sized,
fn flatten_unordered(
self,
limit: impl Into<Option<usize>>
) -> FlattenUnordered<Self>where
Self::Item: Stream + Unpin,
Self: Sized,
Flattens a stream of streams into just one continuous stream. Polls
inner streams concurrently. Read more
§fn flat_map<U, F>(self, f: F) -> FlatMap<Self, U, F>where
F: FnMut(Self::Item) -> U,
U: Stream,
Self: Sized,
fn flat_map<U, F>(self, f: F) -> FlatMap<Self, U, F>where
F: FnMut(Self::Item) -> U,
U: Stream,
Self: Sized,
§fn flat_map_unordered<U, F>(
self,
limit: impl Into<Option<usize>>,
f: F
) -> FlatMapUnordered<Self, U, F>where
U: Stream + Unpin,
F: FnMut(Self::Item) -> U,
Self: Sized,
fn flat_map_unordered<U, F>(
self,
limit: impl Into<Option<usize>>,
f: F
) -> FlatMapUnordered<Self, U, F>where
U: Stream + Unpin,
F: FnMut(Self::Item) -> U,
Self: Sized,
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>where
F: FnMut(&mut S, Self::Item) -> Fut,
Fut: Future<Output = Option<B>>,
Self: Sized,
fn scan<S, B, Fut, F>(self, initial_state: S, f: F) -> Scan<Self, S, Fut, F>where
F: FnMut(&mut S, Self::Item) -> Fut,
Fut: Future<Output = Option<B>>,
Self: Sized,
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>where
F: FnMut(&Self::Item) -> Fut,
Fut: Future<Output = bool>,
Self: Sized,
fn skip_while<Fut, F>(self, f: F) -> SkipWhile<Self, Fut, F>where
F: FnMut(&Self::Item) -> Fut,
Fut: Future<Output = bool>,
Self: Sized,
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>where
F: FnMut(&Self::Item) -> Fut,
Fut: Future<Output = bool>,
Self: Sized,
fn take_while<Fut, F>(self, f: F) -> TakeWhile<Self, Fut, F>where
F: FnMut(&Self::Item) -> Fut,
Fut: Future<Output = bool>,
Self: Sized,
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>where
Fut: Future,
Self: Sized,
fn take_until<Fut>(self, fut: Fut) -> TakeUntil<Self, Fut>where
Fut: Future,
Self: Sized,
Take elements from this stream until the provided future resolves. Read more
§fn for_each<Fut, F>(self, f: F) -> ForEach<Self, Fut, F>where
F: FnMut(Self::Item) -> Fut,
Fut: Future<Output = ()>,
Self: Sized,
fn for_each<Fut, F>(self, f: F) -> ForEach<Self, Fut, F>where
F: FnMut(Self::Item) -> Fut,
Fut: Future<Output = ()>,
Self: Sized,
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>where
F: FnMut(Self::Item) -> Fut,
Fut: Future<Output = ()>,
Self: Sized,
fn for_each_concurrent<Fut, F>(
self,
limit: impl Into<Option<usize>>,
f: F
) -> ForEachConcurrent<Self, Fut, F>where
F: FnMut(Self::Item) -> Fut,
Fut: Future<Output = ()>,
Self: Sized,
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, Global>>where
Self: 'a + Sized + Send,
fn boxed<'a>(
self
) -> Pin<Box<dyn Stream<Item = Self::Item> + Send + 'a, Global>>where
Self: 'a + Sized + Send,
Wrap the stream in a Box, pinning it. Read more
§fn boxed_local<'a>(self) -> Pin<Box<dyn Stream<Item = Self::Item> + 'a, Global>>where
Self: 'a + Sized,
fn boxed_local<'a>(self) -> Pin<Box<dyn Stream<Item = Self::Item> + 'a, Global>>where
Self: 'a + Sized,
Wrap the stream in a Box, pinning it. Read more
§fn buffered(self, n: usize) -> Buffered<Self>where
Self::Item: Future,
Self: Sized,
fn buffered(self, n: usize) -> Buffered<Self>where
Self::Item: Future,
Self: Sized,
An adaptor for creating a buffered list of pending futures. Read more
§fn buffer_unordered(self, n: usize) -> BufferUnordered<Self>where
Self::Item: Future,
Self: Sized,
fn buffer_unordered(self, n: usize) -> BufferUnordered<Self>where
Self::Item: Future,
Self: Sized,
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,
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: TryStream + Sized,
fn forward<S>(self, sink: S) -> Forward<Self, S>where
S: Sink<Self::Ok, Error = Self::Error>,
Self: TryStream + Sized,
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>where
F: FnMut(&Self::Item),
Self: Sized,
fn inspect<F>(self, f: F) -> Inspect<Self, F>where
F: FnMut(&Self::Item),
Self: Sized,
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 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<St> StreamExt for Stwhere
St: Stream + ?Sized,
impl<St> StreamExt for Stwhere
St: Stream + ?Sized,
source§fn next(&mut self) -> Next<'_, Self>where
Self: Unpin,
fn next(&mut self) -> Next<'_, Self>where
Self: Unpin,
Consumes and returns the next value in the stream or
None
if the
stream is finished. Read moresource§fn try_next<T, E>(&mut self) -> TryNext<'_, Self>where
Self: Stream<Item = Result<T, E>> + Unpin,
fn try_next<T, E>(&mut self) -> TryNext<'_, Self>where
Self: Stream<Item = Result<T, E>> + Unpin,
Consumes and returns the next item in the stream. If an error is
encountered before the next item, the error is returned instead. Read more
source§fn map<T, F>(self, f: F) -> Map<Self, F>where
F: FnMut(Self::Item) -> T,
Self: Sized,
fn map<T, F>(self, f: F) -> Map<Self, F>where
F: FnMut(Self::Item) -> T,
Self: Sized,
Maps this stream’s items to a different type, returning a new stream of
the resulting type. Read more
source§fn map_while<T, F>(self, f: F) -> MapWhile<Self, F>where
F: FnMut(Self::Item) -> Option<T>,
Self: Sized,
fn map_while<T, F>(self, f: F) -> MapWhile<Self, F>where
F: FnMut(Self::Item) -> Option<T>,
Self: Sized,
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>where
F: FnMut(Self::Item) -> Fut,
Fut: Future,
Self: Sized,
fn then<F, Fut>(self, f: F) -> Then<Self, Fut, F>where
F: FnMut(Self::Item) -> Fut,
Fut: Future,
Self: Sized,
Maps this stream’s items asynchronously to a different type, returning a
new stream of the resulting type. Read more
source§fn merge<U>(self, other: U) -> Merge<Self, U>where
U: Stream<Item = Self::Item>,
Self: Sized,
fn merge<U>(self, other: U) -> Merge<Self, U>where
U: Stream<Item = Self::Item>,
Self: Sized,
Combine two streams into one by interleaving the output of both as it
is produced. Read more
source§fn filter<F>(self, f: F) -> Filter<Self, F>where
F: FnMut(&Self::Item) -> bool,
Self: Sized,
fn filter<F>(self, f: F) -> Filter<Self, F>where
F: FnMut(&Self::Item) -> bool,
Self: Sized,
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>where
F: FnMut(Self::Item) -> Option<T>,
Self: Sized,
fn filter_map<T, F>(self, f: F) -> FilterMap<Self, F>where
F: FnMut(Self::Item) -> Option<T>,
Self: Sized,
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
Self: Sized,
fn fuse(self) -> Fuse<Self>where
Self: Sized,
Creates a stream which ends after the first
None
. Read moresource§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 take_while<F>(self, f: F) -> TakeWhile<Self, F>where
F: FnMut(&Self::Item) -> bool,
Self: Sized,
fn take_while<F>(self, f: F) -> TakeWhile<Self, F>where
F: FnMut(&Self::Item) -> bool,
Self: Sized,
Take elements from this stream while the provided predicate
resolves to
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>where
F: FnMut(&Self::Item) -> bool,
Self: Sized,
fn skip_while<F>(self, f: F) -> SkipWhile<Self, F>where
F: FnMut(&Self::Item) -> bool,
Self: Sized,
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>where
Self: Unpin,
F: FnMut(Self::Item) -> bool,
fn all<F>(&mut self, f: F) -> AllFuture<'_, Self, F>where
Self: Unpin,
F: FnMut(Self::Item) -> bool,
Tests if every element of the stream matches a predicate. Read more
source§fn any<F>(&mut self, f: F) -> AnyFuture<'_, Self, F>where
Self: Unpin,
F: FnMut(Self::Item) -> bool,
fn any<F>(&mut self, f: F) -> AnyFuture<'_, Self, F>where
Self: Unpin,
F: FnMut(Self::Item) -> bool,
Tests if any element of the stream matches a predicate. Read more
source§fn chain<U>(self, other: U) -> Chain<Self, U>where
U: Stream<Item = Self::Item>,
Self: Sized,
fn chain<U>(self, other: U) -> Chain<Self, U>where
U: Stream<Item = Self::Item>,
Self: Sized,
Combine two streams into one by first returning all values from the
first stream then all values from the second stream. Read more
source§fn fold<B, F>(self, init: B, f: F) -> FoldFuture<Self, B, F>where
Self: Sized,
F: FnMut(B, Self::Item) -> B,
fn fold<B, F>(self, init: B, f: F) -> FoldFuture<Self, B, F>where
Self: Sized,
F: FnMut(B, Self::Item) -> B,
A combinator that applies a function to every element in a stream
producing a single, final value. Read more
source§fn collect<T>(self) -> Collect<Self, T>where
T: FromStream<Self::Item>,
Self: Sized,
fn collect<T>(self) -> Collect<Self, T>where
T: FromStream<Self::Item>,
Self: Sized,
Drain stream pushing all emitted values into a collection. Read more
source§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
§impl<Fut> TryFutureExt for Futwhere
Fut: TryFuture + ?Sized,
impl<Fut> TryFutureExt for Futwhere
Fut: TryFuture + ?Sized,
§fn flatten_sink<Item>(self) -> FlattenSink<Self, Self::Ok>where
Self::Ok: Sink<Item, Error = Self::Error>,
Self: Sized,
fn flatten_sink<Item>(self) -> FlattenSink<Self, Self::Ok>where
Self::Ok: Sink<Item, Error = Self::Error>,
Self: Sized,
Flattens the execution of this future when the successful result of this
future is a [
Sink
]. Read more§fn map_ok<T, F>(self, f: F) -> MapOk<Self, F>where
F: FnOnce(Self::Ok) -> T,
Self: Sized,
fn map_ok<T, F>(self, f: F) -> MapOk<Self, F>where
F: FnOnce(Self::Ok) -> T,
Self: Sized,
Maps this future’s success value to a different value. Read more
§fn map_ok_or_else<T, E, F>(self, e: E, f: F) -> MapOkOrElse<Self, F, E>where
F: FnOnce(Self::Ok) -> T,
E: FnOnce(Self::Error) -> T,
Self: Sized,
fn map_ok_or_else<T, E, F>(self, e: E, f: F) -> MapOkOrElse<Self, F, E>where
F: FnOnce(Self::Ok) -> T,
E: FnOnce(Self::Error) -> T,
Self: Sized,
Maps this future’s success value to a different value, and permits for error handling resulting in the same type. Read more
§fn map_err<E, F>(self, f: F) -> MapErr<Self, F>where
F: FnOnce(Self::Error) -> E,
Self: Sized,
fn map_err<E, F>(self, f: F) -> MapErr<Self, F>where
F: FnOnce(Self::Error) -> E,
Self: Sized,
Maps this future’s error value to a different value. Read more
§fn and_then<Fut, F>(self, f: F) -> AndThen<Self, Fut, F>where
F: FnOnce(Self::Ok) -> Fut,
Fut: TryFuture<Error = Self::Error>,
Self: Sized,
fn and_then<Fut, F>(self, f: F) -> AndThen<Self, Fut, F>where
F: FnOnce(Self::Ok) -> Fut,
Fut: TryFuture<Error = Self::Error>,
Self: Sized,
Executes another future after this one resolves successfully. The
success value is passed to a closure to create this subsequent future. Read more
§fn or_else<Fut, F>(self, f: F) -> OrElse<Self, Fut, F>where
F: FnOnce(Self::Error) -> Fut,
Fut: TryFuture<Ok = Self::Ok>,
Self: Sized,
fn or_else<Fut, F>(self, f: F) -> OrElse<Self, Fut, F>where
F: FnOnce(Self::Error) -> Fut,
Fut: TryFuture<Ok = Self::Ok>,
Self: Sized,
Executes another future if this one resolves to an error. The
error value is passed to a closure to create this subsequent future. Read more
§fn inspect_ok<F>(self, f: F) -> InspectOk<Self, F>where
F: FnOnce(&Self::Ok),
Self: Sized,
fn inspect_ok<F>(self, f: F) -> InspectOk<Self, F>where
F: FnOnce(&Self::Ok),
Self: Sized,
Do something with the success value of a future before passing it on. Read more
§fn inspect_err<F>(self, f: F) -> InspectErr<Self, F>where
F: FnOnce(&Self::Error),
Self: Sized,
fn inspect_err<F>(self, f: F) -> InspectErr<Self, F>where
F: FnOnce(&Self::Error),
Self: Sized,
Do something with the error value of a future before passing it on. Read more
§fn try_flatten(self) -> TryFlatten<Self, Self::Ok>where
Self::Ok: TryFuture<Error = Self::Error>,
Self: Sized,
fn try_flatten(self) -> TryFlatten<Self, Self::Ok>where
Self::Ok: TryFuture<Error = Self::Error>,
Self: Sized,
Flatten the execution of this future when the successful result of this
future is another future. Read more
§fn try_flatten_stream(self) -> TryFlattenStream<Self>where
Self::Ok: TryStream<Error = Self::Error>,
Self: Sized,
fn try_flatten_stream(self) -> TryFlattenStream<Self>where
Self::Ok: TryStream<Error = Self::Error>,
Self: Sized,
Flatten the execution of this future when the successful result of this
future is a stream. Read more
§fn unwrap_or_else<F>(self, f: F) -> UnwrapOrElse<Self, F>where
Self: Sized,
F: FnOnce(Self::Error) -> Self::Ok,
fn unwrap_or_else<F>(self, f: F) -> UnwrapOrElse<Self, F>where
Self: Sized,
F: FnOnce(Self::Error) -> Self::Ok,
§fn into_future(self) -> IntoFuture<Self>where
Self: Sized,
fn into_future(self) -> IntoFuture<Self>where
Self: Sized,
§impl<S> TryStreamExt for Swhere
S: TryStream + ?Sized,
impl<S> TryStreamExt for Swhere
S: TryStream + ?Sized,
§fn err_into<E>(self) -> ErrInto<Self, E>where
Self: Sized,
Self::Error: Into<E>,
fn err_into<E>(self) -> ErrInto<Self, E>where
Self: Sized,
Self::Error: Into<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>where
Self: Sized,
F: FnMut(Self::Ok) -> T,
fn map_ok<T, F>(self, f: F) -> MapOk<Self, F>where
Self: Sized,
F: FnMut(Self::Ok) -> T,
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>where
Self: Sized,
F: FnMut(Self::Error) -> E,
fn map_err<E, F>(self, f: F) -> MapErr<Self, F>where
Self: Sized,
F: FnMut(Self::Error) -> E,
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>where
F: FnMut(Self::Ok) -> Fut,
Fut: TryFuture<Error = Self::Error>,
Self: Sized,
fn and_then<Fut, F>(self, f: F) -> AndThen<Self, Fut, F>where
F: FnMut(Self::Ok) -> Fut,
Fut: TryFuture<Error = Self::Error>,
Self: Sized,
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>where
F: FnMut(Self::Error) -> Fut,
Fut: TryFuture<Ok = Self::Ok>,
Self: Sized,
fn or_else<Fut, F>(self, f: F) -> OrElse<Self, Fut, F>where
F: FnMut(Self::Error) -> Fut,
Fut: TryFuture<Ok = Self::Ok>,
Self: Sized,
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>where
F: FnMut(&Self::Ok),
Self: Sized,
fn inspect_ok<F>(self, f: F) -> InspectOk<Self, F>where
F: FnMut(&Self::Ok),
Self: Sized,
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>where
F: FnMut(&Self::Error),
Self: Sized,
fn inspect_err<F>(self, f: F) -> InspectErr<Self, F>where
F: FnMut(&Self::Error),
Self: Sized,
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>where
F: FnMut(Self::Ok) -> Fut,
Fut: TryFuture<Ok = (), Error = Self::Error>,
Self: Sized,
fn try_for_each<Fut, F>(self, f: F) -> TryForEach<Self, Fut, F>where
F: FnMut(Self::Ok) -> Fut,
Fut: TryFuture<Ok = (), Error = Self::Error>,
Self: Sized,
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>where
F: FnMut(&Self::Ok) -> Fut,
Fut: TryFuture<Ok = bool, Error = Self::Error>,
Self: Sized,
fn try_skip_while<Fut, F>(self, f: F) -> TrySkipWhile<Self, Fut, F>where
F: FnMut(&Self::Ok) -> Fut,
Fut: TryFuture<Ok = bool, Error = Self::Error>,
Self: Sized,
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>where
F: FnMut(&Self::Ok) -> Fut,
Fut: TryFuture<Ok = bool, Error = Self::Error>,
Self: Sized,
fn try_take_while<Fut, F>(self, f: F) -> TryTakeWhile<Self, Fut, F>where
F: FnMut(&Self::Ok) -> Fut,
Fut: TryFuture<Ok = bool, Error = Self::Error>,
Self: Sized,
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>where
F: FnMut(Self::Ok) -> Fut,
Fut: Future<Output = Result<(), Self::Error>>,
Self: Sized,
fn try_for_each_concurrent<Fut, F>(
self,
limit: impl Into<Option<usize>>,
f: F
) -> TryForEachConcurrent<Self, Fut, F>where
F: FnMut(Self::Ok) -> Fut,
Fut: Future<Output = Result<(), Self::Error>>,
Self: Sized,
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>where
C: Default + Extend<Self::Ok>,
Self: Sized,
fn try_collect<C>(self) -> TryCollect<Self, C>where
C: Default + Extend<Self::Ok>,
Self: Sized,
Attempt to transform a stream into a collection,
returning a future representing the result of that computation. Read more
§fn try_chunks(self, capacity: usize) -> TryChunks<Self>where
Self: Sized,
fn try_chunks(self, capacity: usize) -> TryChunks<Self>where
Self: Sized,
An adaptor for chunking up successful items of the stream inside a vector. Read more
§fn try_filter<Fut, F>(self, f: F) -> TryFilter<Self, Fut, F>where
Fut: Future<Output = bool>,
F: FnMut(&Self::Ok) -> Fut,
Self: Sized,
fn try_filter<Fut, F>(self, f: F) -> TryFilter<Self, Fut, F>where
Fut: Future<Output = bool>,
F: FnMut(&Self::Ok) -> Fut,
Self: Sized,
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>where
Fut: TryFuture<Ok = Option<T>, Error = Self::Error>,
F: FnMut(Self::Ok) -> Fut,
Self: Sized,
fn try_filter_map<Fut, F, T>(self, f: F) -> TryFilterMap<Self, Fut, F>where
Fut: TryFuture<Ok = Option<T>, Error = Self::Error>,
F: FnMut(Self::Ok) -> Fut,
Self: Sized,
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(self) -> TryFlatten<Self>where
Self::Ok: TryStream,
<Self::Ok as TryStream>::Error: From<Self::Error>,
Self: Sized,
fn try_flatten(self) -> TryFlatten<Self>where
Self::Ok: TryStream,
<Self::Ok as TryStream>::Error: From<Self::Error>,
Self: Sized,
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>where
F: FnMut(T, Self::Ok) -> Fut,
Fut: TryFuture<Ok = T, Error = Self::Error>,
Self: Sized,
fn try_fold<T, Fut, F>(self, init: T, f: F) -> TryFold<Self, Fut, T, F>where
F: FnMut(T, Self::Ok) -> Fut,
Fut: TryFuture<Ok = T, Error = Self::Error>,
Self: Sized,
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>where
Self: Sized,
Self::Ok: Extend<<Self::Ok as IntoIterator>::Item> + IntoIterator + Default,
fn try_concat(self) -> TryConcat<Self>where
Self: Sized,
Self::Ok: Extend<<Self::Ok as IntoIterator>::Item> + IntoIterator + Default,
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,
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,
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,
§fn into_async_read(self) -> IntoAsyncRead<Self>where
Self: Sized + TryStreamExt<Error = Error>,
Self::Ok: AsRef<[u8]>,
fn into_async_read(self) -> IntoAsyncRead<Self>where
Self: Sized + TryStreamExt<Error = Error>,
Self::Ok: AsRef<[u8]>,
Adapter that converts this stream into an
AsyncBufRead
. Read more