Struct futures_lite::stream::Cycle

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pub struct Cycle<S> { /* private fields */ }

Expand description

Stream for the StreamExt::cycle() method.

Trait Implementations

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impl<S: Clone> Clone for Cycle<S>

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fn clone(&self) -> Cycle<S>

Returns a copy of the value. Read more

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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

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impl<S: Debug> Debug for Cycle<S>

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

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impl<S> Stream for Cycle<S> where
S: Stream + Clone,

type Item = S::Item

Values yielded by the stream.

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fn poll_next(
self: Pin<&mut Self>,
cx: &mut Context<'_>
) -> Poll<Option<Self::Item>>

Attempt to pull out the next value of this stream, registering the current task for wakeup if the value is not yet available, and returning None if the stream is exhausted. Read more

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fn size_hint(&self) -> (usize, Option<usize>)

Returns the bounds on the remaining length of the stream. Read more

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impl<'pin, S> Unpin for Cycle<S> where
Origin<'__pin, S>: Unpin,

Auto Trait Implementations

impl<S> RefUnwindSafe for Cycle<S> where
S: RefUnwindSafe,

impl<S> Send for Cycle<S> where
S: Send,

impl<S> Sync for Cycle<S> where
S: Sync,

impl<S> UnwindSafe for Cycle<S> where
S: UnwindSafe,

Blanket Implementations

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impl<T> Any for T where
T: 'static + ?Sized,

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pub fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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impl<T> Borrow<T> for T where
T: ?Sized,

const: unstable · source

pub fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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impl<T> BorrowMut<T> for T where
T: ?Sized,

const: unstable · source

pub fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

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impl<T> From<T> for T

const: unstable · source

pub fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into for T where
U: From<T>,

const: unstable · source

pub fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<S> StreamExt for S where
S: Stream + ?Sized,

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fn poll_next(&mut self, cx: &mut Context<'_>) -> Poll<Option<Self::Item>> where
Self: Unpin,

A convenience for calling Stream::poll_next() on !Unpin types.

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fn next(&mut self) -> NextFuture<'_, Self>ⓘNotable traits for NextFuture<'_, S>`impl<S: Stream + Unpin + ?Sized> Future for NextFuture<'_, S> type Output = Option<S::Item>;` where
Self: Unpin,

Retrieves the next item in the stream. Read more

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fn try_next<T, E>(&mut self) -> TryNextFuture<'_, Self>ⓘNotable traits for TryNextFuture<'_, S>`impl<T, E, S> Future for TryNextFuture<'_, S> where S: Stream<Item = Result<T, E>> + Unpin + ?Sized, type Output = Result<Option<T>, E>;` where
Self: Stream<Item = Result<T, E>> + Unpin,

Retrieves the next item in the stream. Read more

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fn count(self) -> CountFuture<Self>ⓘNotable traits for CountFuture<S>`impl<S: Stream + ?Sized> Future for CountFuture<S> type Output = usize;` where
Self: Sized,

Counts the number of items in the stream. Read more

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fn map<T, F>(self, f: F) -> Map<Self, F> where
Self: Sized,
F: FnMut(Self::Item) -> T,

Maps items of the stream to new values using a closure. Read more

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fn flat_map<U, F>(self, f: F) -> FlatMap<Self, U, F> where
 Self: Sized,
 U: Stream,
 F: FnMut(Self::Item) -> U,

Maps items to streams and then concatenates them. Read more

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fn flatten(self) -> Flatten<Self> where
Self: Sized,
Self::Item: Stream,

Concatenates inner streams. Read more

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fn then<F, Fut>(self, f: F) -> Then<Self, F, Fut> where
 Self: Sized,
 F: FnMut(Self::Item) -> Fut,
 Fut: Future,

Maps items of the stream to new values using an async closure. Read more

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fn filter(self, predicate: P) -> Filter<Self, P> where
Self: Sized,
P: FnMut(&Self::Item) -> bool,

Keeps items of the stream for which predicate returns true. Read more

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fn filter_map<T, F>(self, f: F) -> FilterMap<Self, F> where
Self: Sized,
F: FnMut(Self::Item) -> Option<T>,

Filters and maps items of the stream using a closure. Read more

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fn take(self, n: usize) -> Take<Self> where
Self: Sized,

Takes only the first n items of the stream. Read more

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fn take_while(self, predicate: P) -> TakeWhile<Self, P> where
Self: Sized,
P: FnMut(&Self::Item) -> bool,

Takes items while predicate returns true. Read more

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fn skip(self, n: usize) -> Skip<Self> where
Self: Sized,

Skips the first n items of the stream. Read more

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fn skip_while(self, predicate: P) -> SkipWhile<Self, P> where
Self: Sized,
P: FnMut(&Self::Item) -> bool,

Skips items while predicate returns true. Read more

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fn step_by(self, step: usize) -> StepBy<Self> where
Self: Sized,

Yields every stepth item. Read more

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fn chain(self, other: U) -> Chain<Self, U> where
Self: Sized,
U: Stream<Item = Self::Item> + Sized,

Appends another stream to the end of this one. Read more

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fn cloned<'a, T>(self) -> Cloned<Self> where
Self: Stream<Item = &'a T> + Sized,
T: Clone + 'a,

Clones all items. Read more

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fn copied<'a, T>(self) -> Copied<Self> where
Self: Stream<Item = &'a T> + Sized,
T: Copy + 'a,

Copies all items. Read more

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fn collect<C>(self) -> CollectFuture<Self, C>ⓘNotable traits for CollectFuture<S, C>`impl<S, C> Future for CollectFuture<S, C> where S: Stream, C: Default + Extend<S::Item>, type Output = C;` where
 Self: Sized,
 C: Default + Extend<Self::Item>,

Collects all items in the stream into a collection. Read more

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fn try_collect<T, E, C>(self) -> TryCollectFuture<Self, C>ⓘNotable traits for TryCollectFuture<S, C>`impl<T, E, S, C> Future for TryCollectFuture<S, C> where S: Stream<Item = Result<T, E>>, C: Default + Extend<T>, type Output = Result<C, E>;` where
 Self: Stream<Item = Result<T, E>> + Sized,
 C: Default + Extend<T>,

Collects all items in the fallible stream into a collection. Read more

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fn partition<B, P>(self, predicate: P) -> PartitionFuture<Self, P, B>ⓘNotable traits for PartitionFuture<S, P, B>`impl<S, P, B> Future for PartitionFuture<S, P, B> where S: Stream + Sized, P: FnMut(&S::Item) -> bool, B: Default + Extend<S::Item>, type Output = (B, B);` where
 Self: Sized,
 B: Default + Extend<Self::Item>,
 P: FnMut(&Self::Item) -> bool,

Partitions items into those for which predicate is true and those for which it is false, and then collects them into two collections. Read more

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fn fold<T, F>(self, init: T, f: F) -> FoldFuture<Self, F, T>ⓘNotable traits for FoldFuture<S, F, T>`impl<S, F, T> Future for FoldFuture<S, F, T> where S: Stream, F: FnMut(T, S::Item) -> T, type Output = T;` where
 Self: Sized,
 F: FnMut(T, Self::Item) -> T,

Accumulates a computation over the stream. Read more

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fn try_fold<T, E, F, B>(
 &mut self,
 init: B,
 f: F
) -> TryFoldFuture<'_, Self, F, B>ⓘNotable traits for TryFoldFuture<'a, S, F, B>`impl<'a, T, E, S, F, B> Future for TryFoldFuture<'a, S, F, B> where S: Stream<Item = Result<T, E>> + Unpin, F: FnMut(B, T) -> Result<B, E>, type Output = Result<B, E>;` where
 Self: Stream<Item = Result<T, E>> + Unpin + Sized,
 F: FnMut(B, T) -> Result<B, E>,

Accumulates a fallible computation over the stream. Read more

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fn scan<St, B, F>(self, initial_state: St, f: F) -> Scan<Self, St, F> where
Self: Sized,
F: FnMut(&mut St, Self::Item) -> Option,

Maps items of the stream to new values using a state value and a closure. Read more

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fn fuse(self) -> Fuse<Self> where
Self: Sized,

Fuses the stream so that it stops yielding items after the first None. Read more

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fn cycle(self) -> Cycle<Self> where
Self: Clone + Sized,

Repeats the stream from beginning to end, forever. Read more

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fn enumerate(self) -> Enumerate<Self> where
Self: Sized,

Enumerates items, mapping them to (index, item). Read more

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fn inspect<F>(self, f: F) -> Inspect<Self, F> where
Self: Sized,
F: FnMut(&Self::Item),

Calls a closure on each item and passes it on. Read more

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fn nth(&mut self, n: usize) -> NthFuture<'_, Self>ⓘNotable traits for NthFuture<'a, S>`impl<'a, S> Future for NthFuture<'a, S> where S: Stream + Unpin + ?Sized, type Output = Option<S::Item>;` where
Self: Unpin,

Gets the nth item of the stream. Read more

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fn last(self) -> LastFuture<Self>ⓘNotable traits for LastFuture<S>`impl<S: Stream> Future for LastFuture<S> type Output = Option<S::Item>;` where
Self: Sized,

Returns the last item in the stream. Read more

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fn find(&mut self, predicate: P) -> FindFuture<'_, Self, P>ⓘNotable traits for FindFuture<'a, S, P>`impl<'a, S, P> Future for FindFuture<'a, S, P> where S: Stream + Unpin + ?Sized, P: FnMut(&S::Item) -> bool, type Output = Option<S::Item>;` where
 Self: Unpin,
 P: FnMut(&Self::Item) -> bool,

Finds the first item of the stream for which predicate returns true. Read more

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fn find_map<F, B>(&mut self, f: F) -> FindMapFuture<'_, Self, F>ⓘNotable traits for FindMapFuture<'a, S, F>`impl<'a, S, B, F> Future for FindMapFuture<'a, S, F> where S: Stream + Unpin + ?Sized, F: FnMut(S::Item) -> Option, type Output = Option;` where
 Self: Unpin,
 F: FnMut(Self::Item) -> Option,

Applies a closure to items in the stream and returns the first Some result. Read more

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fn position(&mut self, predicate: P) -> PositionFuture<'_, Self, P>ⓘNotable traits for PositionFuture<'a, S, P>`impl<'a, S, P> Future for PositionFuture<'a, S, P> where S: Stream + Unpin + ?Sized, P: FnMut(S::Item) -> bool, type Output = Option<usize>;` where
 Self: Unpin,
 P: FnMut(Self::Item) -> bool,

Finds the index of the first item of the stream for which predicate returns true. Read more

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fn all(&mut self, predicate: P) -> AllFuture<'_, Self, P>ⓘNotable traits for AllFuture<'_, S, P>`impl<S, P> Future for AllFuture<'_, S, P> where S: Stream + Unpin + ?Sized, P: FnMut(S::Item) -> bool, type Output = bool;` where
 Self: Unpin,
 P: FnMut(Self::Item) -> bool,

Tests if predicate returns true for all items in the stream. Read more

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fn any(&mut self, predicate: P) -> AnyFuture<'_, Self, P>ⓘNotable traits for AnyFuture<'_, S, P>`impl<S, P> Future for AnyFuture<'_, S, P> where S: Stream + Unpin + ?Sized, P: FnMut(S::Item) -> bool, type Output = bool;` where
 Self: Unpin,
 P: FnMut(Self::Item) -> bool,

Tests if predicate returns true for any item in the stream. Read more

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fn for_each<F>(self, f: F) -> ForEachFuture<Self, F>ⓘNotable traits for ForEachFuture<S, F>`impl<S, F> Future for ForEachFuture<S, F> where S: Stream, F: FnMut(S::Item), type Output = ();` where
 Self: Sized,
 F: FnMut(Self::Item),

Calls a closure on each item of the stream. Read more

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fn try_for_each<F, E>(&mut self, f: F) -> TryForEachFuture<'_, Self, F>ⓘNotable traits for TryForEachFuture<'a, S, F>`impl<'a, S, F, E> Future for TryForEachFuture<'a, S, F> where S: Stream + Unpin + ?Sized, F: FnMut(S::Item) -> Result<(), E>, type Output = Result<(), E>;` where
 Self: Unpin,
 F: FnMut(Self::Item) -> Result<(), E>,

Calls a fallible closure on each item of the stream, stopping on first error. Read more

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fn zip(self, other: U) -> Zip<Self, U> where
Self: Sized,
U: Stream,

Zips up two streams into a single stream of pairs. Read more

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fn unzip<A, B, FromA, FromB>(self) -> UnzipFuture<Self, FromA, FromB>ⓘNotable traits for UnzipFuture<S, FromA, FromB>`impl<S, A, B, FromA, FromB> Future for UnzipFuture<S, FromA, FromB> where S: Stream<Item = (A, B)>, FromA: Default + Extend<A>, FromB: Default + Extend, type Output = (FromA, FromB);` where
 FromA: Default + Extend<A>,
 FromB: Default + Extend,
 Self: Stream<Item = (A, B)> + Sized,

Collects a stream of pairs into a pair of collections. Read more

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fn or<S>(self, other: S) -> Or<Self, S> where
Self: Sized,
S: Stream<Item = Self::Item>,

Merges with other stream, preferring items from self whenever both streams are ready. Read more

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fn race<S>(self, other: S) -> Race<Self, S> where
Self: Sized,
S: Stream<Item = Self::Item>,

Merges with other stream, with no preference for either stream when both are ready. Read more

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fn boxed<'a>(self) -> Pin<Box<dyn Stream<Item = Self::Item> + Send + 'a>> where
Self: Send + Sized + 'a,

Boxes the stream and changes its type to dyn Stream + Send + 'a. Read more

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fn boxed_local<'a>(self) -> Pin<Box<dyn Stream<Item = Self::Item> + 'a>> where
Self: Sized + 'a,

Boxes the stream and changes its type to dyn Stream + 'a. Read more

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impl<T> ToOwned for T where
T: Clone,

type Owned = T

The resulting type after obtaining ownership.

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pub fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

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pub fn clone_into(&self, target: &mut T)

🔬 This is a nightly-only experimental API. (toowned_clone_into)

Uses borrowed data to replace owned data, usually by cloning. Read more

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impl<T, U> TryFrom for T where
U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

pub fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

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impl<T, U> TryInto for T where
U: TryFrom<T>,

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

pub fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

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impl<S, T, E> TryStream for S where
S: Stream<Item = Result<T, E>> + ?Sized,

type Ok = T

The type of successful values yielded by this future

type Error = E

The type of failures yielded by this future

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pub fn try_poll_next(
self: Pin<&mut S>,
cx: &mut Context<'_>
) -> Poll<Option<Result<<S as TryStream>::Ok, <S as TryStream>::Error>>>

Poll this TryStream as if it were a Stream. Read more

Struct futures_lite::stream::Cycle

Trait Implementations

impl<S: Clone> Clone for Cycle<S>

fn clone(&self) -> Cycle<S>

fn clone_from(&mut self, source: &Self)

impl<S: Debug> Debug for Cycle<S>

fn fmt(&self, f: &mut Formatter<'_>) -> Result

impl<S> Stream for Cycle<S> where S: Stream + Clone,

type Item = S::Item

fn poll_next( self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Option<Self::Item>>

fn size_hint(&self) -> (usize, Option<usize>)

impl<'__pin, S> Unpin for Cycle<S> where __Origin<'__pin, S>: Unpin,

Auto Trait Implementations

impl<S> RefUnwindSafe for Cycle<S> where S: RefUnwindSafe,

impl<S> Send for Cycle<S> where S: Send,

impl<S> Sync for Cycle<S> where S: Sync,

impl<S> UnwindSafe for Cycle<S> where S: UnwindSafe,

Blanket Implementations

impl<T> Any for T where T: 'static + ?Sized,

pub fn type_id(&self) -> TypeId

impl<T> Borrow<T> for T where T: ?Sized,

pub fn borrow(&self) -> &T

impl<T> BorrowMut<T> for T where T: ?Sized,

pub fn borrow_mut(&mut self) -> &mut T

impl<T> From<T> for T

pub fn from(t: T) -> T

impl<T, U> Into<U> for T where U: From<T>,

pub fn into(self) -> U

impl<S> StreamExt for S where S: Stream + ?Sized,

fn poll_next(&mut self, cx: &mut Context<'_>) -> Poll<Option<Self::Item>> where Self: Unpin,

fn next(&mut self) -> NextFuture<'_, Self>ⓘNotable traits for NextFuture<'_, S>impl<S: Stream + Unpin + ?Sized> Future for NextFuture<'_, S> type Output = Option<S::Item>; where Self: Unpin,

fn try_next<T, E>(&mut self) -> TryNextFuture<'_, Self>ⓘNotable traits for TryNextFuture<'_, S>impl<T, E, S> Future for TryNextFuture<'_, S> where S: Stream<Item = Result<T, E>> + Unpin + ?Sized, type Output = Result<Option<T>, E>; where Self: Stream<Item = Result<T, E>> + Unpin,

fn count(self) -> CountFuture<Self>ⓘNotable traits for CountFuture<S>impl<S: Stream + ?Sized> Future for CountFuture<S> type Output = usize; where Self: Sized,

fn map<T, F>(self, f: F) -> Map<Self, F> where Self: Sized, F: FnMut(Self::Item) -> T,

fn flat_map<U, F>(self, f: F) -> FlatMap<Self, U, F> where Self: Sized, U: Stream, F: FnMut(Self::Item) -> U,

fn flatten(self) -> Flatten<Self> where Self: Sized, Self::Item: Stream,

fn then<F, Fut>(self, f: F) -> Then<Self, F, Fut> where Self: Sized, F: FnMut(Self::Item) -> Fut, Fut: Future,

fn filter<P>(self, predicate: P) -> Filter<Self, P> where Self: Sized, P: FnMut(&Self::Item) -> bool,

fn filter_map<T, F>(self, f: F) -> FilterMap<Self, F> where Self: Sized, F: FnMut(Self::Item) -> Option<T>,

fn take(self, n: usize) -> Take<Self> where Self: Sized,

fn take_while<P>(self, predicate: P) -> TakeWhile<Self, P> where Self: Sized, P: FnMut(&Self::Item) -> bool,

fn skip(self, n: usize) -> Skip<Self> where Self: Sized,

fn skip_while<P>(self, predicate: P) -> SkipWhile<Self, P> where Self: Sized, P: FnMut(&Self::Item) -> bool,

fn step_by(self, step: usize) -> StepBy<Self> where Self: Sized,

fn chain<U>(self, other: U) -> Chain<Self, U> where Self: Sized, U: Stream<Item = Self::Item> + Sized,

fn cloned<'a, T>(self) -> Cloned<Self> where Self: Stream<Item = &'a T> + Sized, T: Clone + 'a,

fn copied<'a, T>(self) -> Copied<Self> where Self: Stream<Item = &'a T> + Sized, T: Copy + 'a,

fn collect<C>(self) -> CollectFuture<Self, C>ⓘNotable traits for CollectFuture<S, C>impl<S, C> Future for CollectFuture<S, C> where S: Stream, C: Default + Extend<S::Item>, type Output = C; where Self: Sized, C: Default + Extend<Self::Item>,

fn fold<T, F>(self, init: T, f: F) -> FoldFuture<Self, F, T>ⓘNotable traits for FoldFuture<S, F, T>impl<S, F, T> Future for FoldFuture<S, F, T> where S: Stream, F: FnMut(T, S::Item) -> T, type Output = T; where Self: Sized, F: FnMut(T, Self::Item) -> T,

fn scan<St, B, F>(self, initial_state: St, f: F) -> Scan<Self, St, F> where Self: Sized, F: FnMut(&mut St, Self::Item) -> Option<B>,

fn fuse(self) -> Fuse<Self> where Self: Sized,

fn cycle(self) -> Cycle<Self> where Self: Clone + Sized,

fn enumerate(self) -> Enumerate<Self> where Self: Sized,

fn inspect<F>(self, f: F) -> Inspect<Self, F> where Self: Sized, F: FnMut(&Self::Item),

fn nth(&mut self, n: usize) -> NthFuture<'_, Self>ⓘNotable traits for NthFuture<'a, S>impl<'a, S> Future for NthFuture<'a, S> where S: Stream + Unpin + ?Sized, type Output = Option<S::Item>; where Self: Unpin,

fn last(self) -> LastFuture<Self>ⓘNotable traits for LastFuture<S>impl<S: Stream> Future for LastFuture<S> type Output = Option<S::Item>; where Self: Sized,

fn find<P>(&mut self, predicate: P) -> FindFuture<'_, Self, P>ⓘNotable traits for FindFuture<'a, S, P>impl<'a, S, P> Future for FindFuture<'a, S, P> where S: Stream + Unpin + ?Sized, P: FnMut(&S::Item) -> bool, type Output = Option<S::Item>; where Self: Unpin, P: FnMut(&Self::Item) -> bool,

fn all<P>(&mut self, predicate: P) -> AllFuture<'_, Self, P>ⓘNotable traits for AllFuture<'_, S, P>impl<S, P> Future for AllFuture<'_, S, P> where S: Stream + Unpin + ?Sized, P: FnMut(S::Item) -> bool, type Output = bool; where Self: Unpin, P: FnMut(Self::Item) -> bool,

fn any<P>(&mut self, predicate: P) -> AnyFuture<'_, Self, P>ⓘNotable traits for AnyFuture<'_, S, P>impl<S, P> Future for AnyFuture<'_, S, P> where S: Stream + Unpin + ?Sized, P: FnMut(S::Item) -> bool, type Output = bool; where Self: Unpin, P: FnMut(Self::Item) -> bool,

fn for_each<F>(self, f: F) -> ForEachFuture<Self, F>ⓘNotable traits for ForEachFuture<S, F>impl<S, F> Future for ForEachFuture<S, F> where S: Stream, F: FnMut(S::Item), type Output = (); where Self: Sized, F: FnMut(Self::Item),

fn zip<U>(self, other: U) -> Zip<Self, U> where Self: Sized, U: Stream,

fn or<S>(self, other: S) -> Or<Self, S> where Self: Sized, S: Stream<Item = Self::Item>,

fn race<S>(self, other: S) -> Race<Self, S> where Self: Sized, S: Stream<Item = Self::Item>,

fn boxed<'a>(self) -> Pin<Box<dyn Stream<Item = Self::Item> + Send + 'a>> where Self: Send + Sized + 'a,

fn boxed_local<'a>(self) -> Pin<Box<dyn Stream<Item = Self::Item> + 'a>> where Self: Sized + 'a,

impl<T> ToOwned for T where T: Clone,

type Owned = T

pub fn to_owned(&self) -> T

pub fn clone_into(&self, target: &mut T)

impl<T, U> TryFrom<U> for T where U: Into<T>,

type Error = Infallible

pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

impl<T, U> TryInto<U> for T where U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

impl<S, T, E> TryStream for S where S: Stream<Item = Result<T, E>> + ?Sized,

type Ok = T

type Error = E

pub fn try_poll_next( self: Pin<&mut S>, cx: &mut Context<'_>) -> Poll<Option<Result<<S as TryStream>::Ok, <S as TryStream>::Error>>>

impl<S> Stream for Cycle<S> where
S: Stream + Clone,

fn poll_next(
self: Pin<&mut Self>,
cx: &mut Context<'_>
) -> Poll<Option<Self::Item>>

impl<'pin, S> Unpin for Cycle<S> where
Origin<'__pin, S>: Unpin,

impl<S> RefUnwindSafe for Cycle<S> where
S: RefUnwindSafe,

impl<S> Send for Cycle<S> where
S: Send,

impl<S> Sync for Cycle<S> where
S: Sync,

impl<S> UnwindSafe for Cycle<S> where
S: UnwindSafe,

impl<T> Any for T where
T: 'static + ?Sized,

impl<T> Borrow<T> for T where
T: ?Sized,

impl<T> BorrowMut<T> for T where
T: ?Sized,

impl<T, U> Into<U> for T where
U: From<T>,

impl<S> StreamExt for S where
S: Stream + ?Sized,

fn poll_next(&mut self, cx: &mut Context<'_>) -> Poll<Option<Self::Item>> where
Self: Unpin,

fn next(&mut self) -> NextFuture<'_, Self>ⓘNotable traits for NextFuture<'_, S>`impl<S: Stream + Unpin + ?Sized> Future for NextFuture<'_, S> type Output = Option<S::Item>;` where
Self: Unpin,

fn try_next<T, E>(&mut self) -> TryNextFuture<'_, Self>ⓘNotable traits for TryNextFuture<'_, S>`impl<T, E, S> Future for TryNextFuture<'_, S> where S: Stream<Item = Result<T, E>> + Unpin + ?Sized, type Output = Result<Option<T>, E>;` where
Self: Stream<Item = Result<T, E>> + Unpin,

fn count(self) -> CountFuture<Self>ⓘNotable traits for CountFuture<S>`impl<S: Stream + ?Sized> Future for CountFuture<S> type Output = usize;` where
Self: Sized,

fn map<T, F>(self, f: F) -> Map<Self, F> where
Self: Sized,
F: FnMut(Self::Item) -> T,

fn flat_map<U, F>(self, f: F) -> FlatMap<Self, U, F> where
Self: Sized,
U: Stream,
F: FnMut(Self::Item) -> U,

fn flatten(self) -> Flatten<Self> where
Self: Sized,
Self::Item: Stream,

fn then<F, Fut>(self, f: F) -> Then<Self, F, Fut> where
Self: Sized,
F: FnMut(Self::Item) -> Fut,
Fut: Future,

fn filter<P>(self, predicate: P) -> Filter<Self, P> where
Self: Sized,
P: FnMut(&Self::Item) -> bool,

fn filter_map<T, F>(self, f: F) -> FilterMap<Self, F> where
Self: Sized,
F: FnMut(Self::Item) -> Option<T>,

fn take(self, n: usize) -> Take<Self> where
Self: Sized,

fn take_while<P>(self, predicate: P) -> TakeWhile<Self, P> where
Self: Sized,
P: FnMut(&Self::Item) -> bool,

fn skip(self, n: usize) -> Skip<Self> where
Self: Sized,

fn skip_while<P>(self, predicate: P) -> SkipWhile<Self, P> where
Self: Sized,
P: FnMut(&Self::Item) -> bool,

fn step_by(self, step: usize) -> StepBy<Self> where
Self: Sized,

fn chain<U>(self, other: U) -> Chain<Self, U> where
Self: Sized,
U: Stream<Item = Self::Item> + Sized,

fn cloned<'a, T>(self) -> Cloned<Self> where
Self: Stream<Item = &'a T> + Sized,
T: Clone + 'a,

fn copied<'a, T>(self) -> Copied<Self> where
Self: Stream<Item = &'a T> + Sized,
T: Copy + 'a,

fn collect<C>(self) -> CollectFuture<Self, C>ⓘNotable traits for CollectFuture<S, C>`impl<S, C> Future for CollectFuture<S, C> where S: Stream, C: Default + Extend<S::Item>, type Output = C;` where
Self: Sized,
C: Default + Extend<Self::Item>,

fn fold<T, F>(self, init: T, f: F) -> FoldFuture<Self, F, T>ⓘNotable traits for FoldFuture<S, F, T>`impl<S, F, T> Future for FoldFuture<S, F, T> where S: Stream, F: FnMut(T, S::Item) -> T, type Output = T;` where
Self: Sized,
F: FnMut(T, Self::Item) -> T,

fn scan<St, B, F>(self, initial_state: St, f: F) -> Scan<Self, St, F> where
Self: Sized,
F: FnMut(&mut St, Self::Item) -> Option<B>,

fn fuse(self) -> Fuse<Self> where
Self: Sized,

fn cycle(self) -> Cycle<Self> where
Self: Clone + Sized,

fn enumerate(self) -> Enumerate<Self> where
Self: Sized,

fn inspect<F>(self, f: F) -> Inspect<Self, F> where
Self: Sized,
F: FnMut(&Self::Item),

fn nth(&mut self, n: usize) -> NthFuture<'_, Self>ⓘNotable traits for NthFuture<'a, S>`impl<'a, S> Future for NthFuture<'a, S> where S: Stream + Unpin + ?Sized, type Output = Option<S::Item>;` where
Self: Unpin,

fn last(self) -> LastFuture<Self>ⓘNotable traits for LastFuture<S>`impl<S: Stream> Future for LastFuture<S> type Output = Option<S::Item>;` where
Self: Sized,

fn find<P>(&mut self, predicate: P) -> FindFuture<'_, Self, P>ⓘNotable traits for FindFuture<'a, S, P>`impl<'a, S, P> Future for FindFuture<'a, S, P> where S: Stream + Unpin + ?Sized, P: FnMut(&S::Item) -> bool, type Output = Option<S::Item>;` where
Self: Unpin,
P: FnMut(&Self::Item) -> bool,

fn all<P>(&mut self, predicate: P) -> AllFuture<'_, Self, P>ⓘNotable traits for AllFuture<'_, S, P>`impl<S, P> Future for AllFuture<'_, S, P> where S: Stream + Unpin + ?Sized, P: FnMut(S::Item) -> bool, type Output = bool;` where
Self: Unpin,
P: FnMut(Self::Item) -> bool,

fn any<P>(&mut self, predicate: P) -> AnyFuture<'_, Self, P>ⓘNotable traits for AnyFuture<'_, S, P>`impl<S, P> Future for AnyFuture<'_, S, P> where S: Stream + Unpin + ?Sized, P: FnMut(S::Item) -> bool, type Output = bool;` where
Self: Unpin,
P: FnMut(Self::Item) -> bool,

fn for_each<F>(self, f: F) -> ForEachFuture<Self, F>ⓘNotable traits for ForEachFuture<S, F>`impl<S, F> Future for ForEachFuture<S, F> where S: Stream, F: FnMut(S::Item), type Output = ();` where
Self: Sized,
F: FnMut(Self::Item),

fn zip<U>(self, other: U) -> Zip<Self, U> where
Self: Sized,
U: Stream,

fn or<S>(self, other: S) -> Or<Self, S> where
Self: Sized,
S: Stream<Item = Self::Item>,

fn race<S>(self, other: S) -> Race<Self, S> where
Self: Sized,
S: Stream<Item = Self::Item>,

fn boxed<'a>(self) -> Pin<Box<dyn Stream<Item = Self::Item> + Send + 'a>> where
Self: Send + Sized + 'a,

fn boxed_local<'a>(self) -> Pin<Box<dyn Stream<Item = Self::Item> + 'a>> where
Self: Sized + 'a,

impl<T> ToOwned for T where
T: Clone,

impl<T, U> TryFrom<U> for T where
U: Into<T>,

impl<T, U> TryInto<U> for T where
U: TryFrom<T>,

impl<S, T, E> TryStream for S where
S: Stream<Item = Result<T, E>> + ?Sized,

pub fn try_poll_next(
self: Pin<&mut S>,
cx: &mut Context<'_>
) -> Poll<Option<Result<<S as TryStream>::Ok, <S as TryStream>::Error>>>