Struct futures_lite::stream::Unfold[−][src]

#[must_use = "streams do nothing unless polled"]pub struct Unfold<T, F, Fut> { /* fields omitted */ }

Stream for the unfold() function.

Trait Implementations

`impl<T: Clone, F: Clone, Fut: Clone> Clone for Unfold<T, F, Fut>`[src]

`fn clone(&self) -> Unfold<T, F, Fut>`[src]

`pub fn clone_from(&mut self, source: &Self)`1.0.0[src]

`impl<T, F, Fut> Debug for Unfold<T, F, Fut> where T: Debug, Fut: Debug,` [src]

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

`impl<T, F, Fut, Item> Stream for Unfold<T, F, Fut> where F: FnMut(T) -> Fut, Fut: Future<Output = Option<(Item, T)>>,` [src]

`type Item = Item`

Values yielded by the stream.

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

`pub fn size_hint(&self) -> (usize, Option<usize>)`[src]

`impl<'pin, T, F, Fut> Unpin for Unfold<T, F, Fut> where Origin<'__pin, T, F, Fut>: Unpin,` [src]

Auto Trait Implementations

`impl<T, F, Fut> RefUnwindSafe for Unfold<T, F, Fut> where F: RefUnwindSafe, Fut: RefUnwindSafe, T: RefUnwindSafe,`

`impl<T, F, Fut> Send for Unfold<T, F, Fut> where F: Send, Fut: Send, T: Send,`

`impl<T, F, Fut> Sync for Unfold<T, F, Fut> where F: Sync, Fut: Sync, T: Sync,`

`impl<T, F, Fut> UnwindSafe for Unfold<T, F, Fut> where F: UnwindSafe, Fut: UnwindSafe, T: UnwindSafe,`

Blanket Implementations

`impl<T> Any for T where T: 'static + ?Sized,` [src]

`pub fn type_id(&self) -> TypeId`[src]

`impl<T> Borrow<T> for T where T: ?Sized,` [src]

`pub fn borrow(&self) -> &T`[src]

`impl<T> BorrowMut<T> for T where T: ?Sized,` [src]

`pub fn borrow_mut(&mut self) -> &mut T`[src]

`impl<T> From<T> for T`[src]

`pub fn from(t: T) -> T`[src]

`impl<T, U> Into for T where U: From<T>,` [src]

`pub fn into(self) -> U`[src]

`impl<S> StreamExt for S where S: Stream + ?Sized,` [src]

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

`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,` [src]

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

`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>,` [src]

`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>,` [src]

`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,` [src]

`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,` [src]

`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>,` [src]

`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,` [src]

`fn fuse(self) -> Fuse<Self> where Self: Sized,` [src]

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

`fn enumerate(self) -> Enumerate<Self> where Self: Sized,` [src]

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

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

`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,` [src]

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

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

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

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

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

`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),` [src]

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

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

`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,` [src]

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

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

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

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

`impl<T> ToOwned for T where T: Clone,` [src]

`type Owned = T`

The resulting type after obtaining ownership.

`pub fn to_owned(&self) -> T`[src]

`pub fn clone_into(&self, target: &mut T)`[src]

`impl<T, U> TryFrom for T where U: Into<T>,` [src]

`type Error = Infallible`

The type returned in the event of a conversion error.

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

`impl<T, U> TryInto for T where U: TryFrom<T>,` [src]

`type Error = >::Error`

The type returned in the event of a conversion error.

`pub fn try_into(self) -> Result<U, >::Error>`[src]

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

`type Ok = T`

The type of successful values yielded by this future

`type Error = E`

The type of failures yielded by this future

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

Struct futures_lite::stream::Unfold[−][src]

Trait Implementations

impl<T: Clone, F: Clone, Fut: Clone> Clone for Unfold<T, F, Fut>[src]

fn clone(&self) -> Unfold<T, F, Fut>[src]

pub fn clone_from(&mut self, source: &Self)1.0.0[src]

impl<T, F, Fut> Debug for Unfold<T, F, Fut> where T: Debug, Fut: Debug, [src]

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

impl<T, F, Fut, Item> Stream for Unfold<T, F, Fut> where F: FnMut(T) -> Fut, Fut: Future<Output = Option<(Item, T)>>, [src]

type Item = Item

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

pub fn size_hint(&self) -> (usize, Option<usize>)[src]

impl<'__pin, T, F, Fut> Unpin for Unfold<T, F, Fut> where __Origin<'__pin, T, F, Fut>: Unpin, [src]

Auto Trait Implementations

impl<T, F, Fut> RefUnwindSafe for Unfold<T, F, Fut> where F: RefUnwindSafe, Fut: RefUnwindSafe, T: RefUnwindSafe,

impl<T, F, Fut> Send for Unfold<T, F, Fut> where F: Send, Fut: Send, T: Send,

impl<T, F, Fut> Sync for Unfold<T, F, Fut> where F: Sync, Fut: Sync, T: Sync,

impl<T, F, Fut> UnwindSafe for Unfold<T, F, Fut> where F: UnwindSafe, Fut: UnwindSafe, T: UnwindSafe,

Blanket Implementations

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

pub fn type_id(&self) -> TypeId[src]

impl<T> Borrow<T> for T where T: ?Sized, [src]

pub fn borrow(&self) -> &T[src]

impl<T> BorrowMut<T> for T where T: ?Sized, [src]

pub fn borrow_mut(&mut self) -> &mut T[src]

impl<T> From<T> for T[src]

pub fn from(t: T) -> T[src]

impl<T, U> Into<U> for T where U: From<T>, [src]

pub fn into(self) -> U[src]

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

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

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, [src]

Notable traits for NextFuture<'_, S>

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

Notable traits for TryNextFuture<'_, S>

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

Notable traits for CountFuture<S>

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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>, [src]

Notable traits for CollectFuture<S, C>

Notable traits for TryCollectFuture<S, C>

Notable traits for PartitionFuture<S, P, B>

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, [src]

Notable traits for FoldFuture<S, F, T>

Notable traits for TryFoldFuture<'a, S, F, B>

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>, [src]

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

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

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

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

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

Notable traits for NthFuture<'a, S>

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, [src]

Notable traits for LastFuture<S>

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

Notable traits for FindFuture<'a, S, P>

Notable traits for FindMapFuture<'a, S, F>

Notable traits for PositionFuture<'a, S, P>

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

Notable traits for AllFuture<'_, S, P>

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

Notable traits for AnyFuture<'_, S, P>

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), [src]

Notable traits for ForEachFuture<S, F>

Notable traits for TryForEachFuture<'a, S, F>

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

Notable traits for UnzipFuture<S, FromA, FromB>

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