[−][src]Struct futures::stream::Zip
Stream for the zip
method.
Trait Implementations
impl<St1, St2> Unpin for Zip<St1, St2> where
St1: Unpin + Stream,
St2: Unpin + Stream,
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St1: Unpin + Stream,
St2: Unpin + Stream,
impl<St1, St2> FusedStream for Zip<St1, St2> where
St1: Stream,
St2: Stream,
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St1: Stream,
St2: Stream,
fn is_terminated(&self) -> bool
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impl<St1, St2> Stream for Zip<St1, St2> where
St1: Stream,
St2: Stream,
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St1: Stream,
St2: Stream,
type Item = (<St1 as Stream>::Item, <St2 as Stream>::Item)
Values yielded by the stream.
fn poll_next(
self: Pin<&mut Zip<St1, St2>>,
cx: &mut Context
) -> Poll<Option<<Zip<St1, St2> as Stream>::Item>>
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self: Pin<&mut Zip<St1, St2>>,
cx: &mut Context
) -> Poll<Option<<Zip<St1, St2> as Stream>::Item>>
impl<St1, St2> Debug for Zip<St1, St2> where
St1: Debug + Stream,
St2: Debug + Stream,
<St1 as Stream>::Item: Debug,
<St2 as Stream>::Item: Debug,
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St1: Debug + Stream,
St2: Debug + Stream,
<St1 as Stream>::Item: Debug,
<St2 as Stream>::Item: Debug,
Auto Trait Implementations
impl<St1, St2> Send for Zip<St1, St2> where
St1: Send,
St2: Send,
<St1 as Stream>::Item: Send,
<St2 as Stream>::Item: Send,
St1: Send,
St2: Send,
<St1 as Stream>::Item: Send,
<St2 as Stream>::Item: Send,
impl<St1, St2> Sync for Zip<St1, St2> where
St1: Sync,
St2: Sync,
<St1 as Stream>::Item: Sync,
<St2 as Stream>::Item: Sync,
St1: Sync,
St2: Sync,
<St1 as Stream>::Item: Sync,
<St2 as Stream>::Item: Sync,
Blanket Implementations
impl<T> From for T
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impl<T, U> Into for T where
U: From<T>,
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U: From<T>,
impl<T, U> TryFrom for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T> Borrow for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut for T where
T: ?Sized,
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T: ?Sized,
ⓘImportant traits for &'_ mut Ffn borrow_mut(&mut self) -> &mut T
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impl<T, U> TryInto for T where
U: TryFrom<T>,
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U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error
The type returned in the event of a conversion error.
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
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impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> StreamExt for T where
T: Stream + ?Sized,
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T: Stream + ?Sized,
ⓘImportant traits for Next<'_, St>default fn next(&mut self) -> Next<Self> where
Self: Unpin,
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Self: Unpin,
Creates a future that resolves to the next item in the stream. Read more
ⓘImportant traits for StreamFuture<St>default fn into_future(self) -> StreamFuture<Self> where
Self: Unpin,
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Self: Unpin,
Converts this stream into a future of (next_item, tail_of_stream)
. If the stream terminates, then the next item is [None
]. Read more
default fn map<T, F>(self, f: F) -> Map<Self, F> where
F: FnMut(Self::Item) -> T,
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F: FnMut(Self::Item) -> T,
Maps this stream's items to a different type, returning a new stream of the resulting type. Read more
default fn filter<Fut, F>(self, f: F) -> Filter<Self, Fut, F> where
F: FnMut(&Self::Item) -> Fut,
Fut: Future<Output = bool>,
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F: FnMut(&Self::Item) -> Fut,
Fut: Future<Output = bool>,
Filters the values produced by this stream according to the provided asynchronous predicate. Read more
default fn filter_map<Fut, T, F>(self, f: F) -> FilterMap<Self, Fut, F> where
F: FnMut(Self::Item) -> Fut,
Fut: Future<Output = Option<T>>,
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F: FnMut(Self::Item) -> Fut,
Fut: Future<Output = Option<T>>,
Filters the values produced by this stream while simultaneously mapping them to a different type according to the provided asynchronous closure. Read more
default fn then<Fut, F>(self, f: F) -> Then<Self, Fut, F> where
F: FnMut(Self::Item) -> Fut,
Fut: Future,
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F: FnMut(Self::Item) -> Fut,
Fut: Future,
Computes from this stream's items new items of a different type using an asynchronous closure. Read more
ⓘImportant traits for Collect<St, C>default fn collect<C>(self) -> Collect<Self, C> where
C: Default + Extend<Self::Item>,
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C: Default + Extend<Self::Item>,
Collect all of the values of this stream into a vector, returning a future representing the result of that computation. Read more
ⓘImportant traits for Concat<St>default fn concat(self) -> Concat<Self> where
Self::Item: Extend<<Self::Item as IntoIterator>::Item>,
Self::Item: IntoIterator,
Self::Item: Default,
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Self::Item: Extend<<Self::Item as IntoIterator>::Item>,
Self::Item: IntoIterator,
Self::Item: Default,
Concatenate all items of a stream into a single extendable destination, returning a future representing the end result. Read more
ⓘImportant traits for Fold<St, Fut, T, F>default 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>,
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F: FnMut(T, Self::Item) -> Fut,
Fut: Future<Output = T>,
Execute an accumulating asynchronous computation over a stream, collecting all the values into one final result. Read more
default fn flatten(self) -> Flatten<Self> where
Self::Item: Stream,
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Self::Item: Stream,
Flattens a stream of streams into just one continuous stream. Read more
default fn skip_while<Fut, F>(self, f: F) -> SkipWhile<Self, Fut, F> where
F: FnMut(&Self::Item) -> Fut,
Fut: Future<Output = bool>,
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F: FnMut(&Self::Item) -> Fut,
Fut: Future<Output = bool>,
Skip elements on this stream while the provided asynchronous predicate resolves to true
. Read more
default fn take_while<Fut, F>(self, f: F) -> TakeWhile<Self, Fut, F> where
F: FnMut(&Self::Item) -> Fut,
Fut: Future<Output = bool>,
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F: FnMut(&Self::Item) -> Fut,
Fut: Future<Output = bool>,
Take elements from this stream while the provided asynchronous predicate resolves to true
. Read more
ⓘImportant traits for ForEach<St, Fut, F>default fn for_each<Fut, F>(self, f: F) -> ForEach<Self, Fut, F> where
F: FnMut(Self::Item) -> Fut,
Fut: Future<Output = ()>,
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F: FnMut(Self::Item) -> Fut,
Fut: Future<Output = ()>,
Runs this stream to completion, executing the provided asynchronous closure for each element on the stream. Read more
ⓘImportant traits for ForEachConcurrent<St, Fut, F>default fn for_each_concurrent<Fut, F, impl Into
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Runs this stream to completion, executing the provided asynchronous closure for each element on the stream concurrently as elements become available. Read more
default fn take(self, n: u64) -> Take<Self>
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Creates a new stream of at most n
items of the underlying stream. Read more
default fn skip(self, n: u64) -> Skip<Self>
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Creates a new stream which skips n
items of the underlying stream. Read more
default fn fuse(self) -> Fuse<Self>
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Fuse a stream such that poll_next
will never again be called once it has finished. This method can be used t turn any Stream
into a FusedStream
. Read more
ⓘImportant traits for &'_ mut Fdefault fn by_ref(&mut self) -> &mut Self
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Borrows a stream, rather than consuming it. Read more
default fn catch_unwind(self) -> CatchUnwind<Self> where
Self: UnwindSafe,
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Self: UnwindSafe,
Catches unwinding panics while polling the stream. Read more
ⓘImportant traits for Pin<P>default fn boxed(self) -> Pin<Box<Self>>
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Wrap the stream in a Box, pinning it.
default fn buffered(self, n: usize) -> Buffered<Self> where
Self::Item: Future,
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Self::Item: Future,
An adaptor for creating a buffered list of pending futures. Read more
default fn buffer_unordered(self, n: usize) -> BufferUnordered<Self> where
Self::Item: Future,
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Self::Item: Future,
An adaptor for creating a buffered list of pending futures (unordered). Read more
default fn zip<St>(self, other: St) -> Zip<Self, St> where
St: Stream,
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St: Stream,
An adapter for zipping two streams together. Read more
default fn chain<St>(self, other: St) -> Chain<Self, St> where
St: Stream<Item = Self::Item>,
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St: Stream<Item = Self::Item>,
Adapter for chaining two stream. Read more
default fn peekable(self) -> Peekable<Self>
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Creates a new stream which exposes a peek
method. Read more
default fn chunks(self, capacity: usize) -> Chunks<Self>
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An adaptor for chunking up items of the stream inside a vector. Read more
default fn select<St>(self, other: St) -> Select<Self, St> where
St: Stream<Item = Self::Item>,
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St: Stream<Item = Self::Item>,
This combinator will attempt to pull items from both streams. Each stream will be polled in a round-robin fashion, and whenever a stream is ready to yield an item that item is yielded. Read more
ⓘImportant traits for Forward<St, Si>default fn forward<S>(self, sink: S) -> Forward<Self, S> where
S: Sink<Self::Ok>,
Self: TryStream<Error = <S as Sink<Self::Ok>>::SinkError>,
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S: Sink<Self::Ok>,
Self: TryStream<Error = <S as Sink<Self::Ok>>::SinkError>,
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
default fn split<Item>(self) -> (SplitSink<Self, Item>, SplitStream<Self>) where
Self: Sink<Item>,
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Self: Sink<Item>,
Splits this Stream + Sink
object into separate Stream
and Sink
objects. Read more
default fn inspect<F>(self, f: F) -> Inspect<Self, F> where
F: FnMut(&Self::Item),
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F: FnMut(&Self::Item),
Do something with each item of this stream, afterwards passing it on. Read more
default fn left_stream<B>(self) -> Either<Self, B> where
B: Stream<Item = Self::Item>,
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B: Stream<Item = Self::Item>,
Wrap this stream in an Either
stream, making it the left-hand variant of that Either
. Read more
default fn right_stream<B>(self) -> Either<B, Self> where
B: Stream<Item = Self::Item>,
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B: Stream<Item = Self::Item>,
Wrap this stream in an Either
stream, making it the right-hand variant of that Either
. Read more
default fn poll_next_unpin(
&mut self,
cx: &mut Context
) -> Poll<Option<Self::Item>> where
Self: Unpin,
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&mut self,
cx: &mut Context
) -> Poll<Option<Self::Item>> where
Self: Unpin,
A convenience method for calling [Stream::poll_next
] on [Unpin
] stream types. Read more
ⓘImportant traits for SelectNextSome<'a, St>default fn select_next_some(&mut self) -> SelectNextSome<Self> where
Self: Unpin + FusedStream,
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Self: Unpin + FusedStream,
Returns a [Future
] that resolves when the next item in this stream is ready. Read more