Struct futures_lite::stream::OnceFuture
source · pub struct OnceFuture<F> { /* private fields */ }
Expand description
Stream for the once_future()
method.
Trait Implementations§
source§impl<F: Debug> Debug for OnceFuture<F>
impl<F: Debug> Debug for OnceFuture<F>
source§impl<F: Future> Stream for OnceFuture<F>
impl<F: Future> Stream for OnceFuture<F>
impl<'__pin, F> Unpin for OnceFuture<F>where
__Origin<'__pin, F>: Unpin,
Auto Trait Implementations§
impl<F> Freeze for OnceFuture<F>where
F: Freeze,
impl<F> RefUnwindSafe for OnceFuture<F>where
F: RefUnwindSafe,
impl<F> Send for OnceFuture<F>where
F: Send,
impl<F> Sync for OnceFuture<F>where
F: Sync,
impl<F> UnwindSafe for OnceFuture<F>where
F: UnwindSafe,
Blanket Implementations§
source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
source§impl<S> StreamExt for S
impl<S> StreamExt for S
source§fn next(&mut self) -> NextFuture<'_, Self> ⓘwhere
Self: Unpin,
fn next(&mut self) -> NextFuture<'_, Self> ⓘwhere
Self: Unpin,
Retrieves the next item in the stream. Read more
source§fn try_next<T, E>(&mut self) -> TryNextFuture<'_, Self> ⓘ
fn try_next<T, E>(&mut self) -> TryNextFuture<'_, Self> ⓘ
Retrieves the next item in the stream. Read more
source§fn count(self) -> CountFuture<Self> ⓘwhere
Self: Sized,
fn count(self) -> CountFuture<Self> ⓘwhere
Self: Sized,
Counts the number of items in the stream. Read more
source§fn map<T, F>(self, f: F) -> Map<Self, F>
fn map<T, F>(self, f: F) -> Map<Self, F>
Maps items of the stream to new values using a closure. Read more
source§fn flat_map<U, F>(self, f: F) -> FlatMap<Self, U, F>
fn flat_map<U, F>(self, f: F) -> FlatMap<Self, U, F>
Maps items to streams and then concatenates them. Read more
source§fn then<F, Fut>(self, f: F) -> Then<Self, F, Fut>
fn then<F, Fut>(self, f: F) -> Then<Self, F, Fut>
Maps items of the stream to new values using an async closure. Read more
source§fn filter_map<T, F>(self, f: F) -> FilterMap<Self, F>
fn filter_map<T, F>(self, f: F) -> FilterMap<Self, F>
Filters and maps items of the stream using a closure. Read more
source§fn take(self, n: usize) -> Take<Self>where
Self: Sized,
fn take(self, n: usize) -> Take<Self>where
Self: Sized,
Takes only the first
n
items of the stream. Read moresource§fn take_while<P>(self, predicate: P) -> TakeWhile<Self, P>
fn take_while<P>(self, predicate: P) -> TakeWhile<Self, P>
source§fn skip(self, n: usize) -> Skip<Self>where
Self: Sized,
fn skip(self, n: usize) -> Skip<Self>where
Self: Sized,
Skips the first
n
items of the stream. Read moresource§fn skip_while<P>(self, predicate: P) -> SkipWhile<Self, P>
fn skip_while<P>(self, predicate: P) -> SkipWhile<Self, P>
source§fn step_by(self, step: usize) -> StepBy<Self>where
Self: Sized,
fn step_by(self, step: usize) -> StepBy<Self>where
Self: Sized,
Yields every
step
th item. Read moresource§fn chain<U>(self, other: U) -> Chain<Self, U>
fn chain<U>(self, other: U) -> Chain<Self, U>
Appends another stream to the end of this one. Read more
source§fn collect<C>(self) -> CollectFuture<Self, C> ⓘ
fn collect<C>(self) -> CollectFuture<Self, C> ⓘ
Collects all items in the stream into a collection. Read more
source§fn try_collect<T, E, C>(self) -> TryCollectFuture<Self, C> ⓘ
fn try_collect<T, E, C>(self) -> TryCollectFuture<Self, C> ⓘ
Collects all items in the fallible stream into a collection. Read more
source§fn partition<B, P>(self, predicate: P) -> PartitionFuture<Self, P, B> ⓘ
fn partition<B, P>(self, predicate: P) -> PartitionFuture<Self, P, B> ⓘ
Partitions items into those for which
predicate
is true
and those for which it is
false
, and then collects them into two collections. Read moresource§fn fold<T, F>(self, init: T, f: F) -> FoldFuture<Self, F, T> ⓘ
fn fold<T, F>(self, init: T, f: F) -> FoldFuture<Self, F, T> ⓘ
Accumulates a computation over the stream. Read more
source§fn try_fold<T, E, F, B>(
&mut self,
init: B,
f: F
) -> TryFoldFuture<'_, Self, F, B> ⓘ
fn try_fold<T, E, F, B>( &mut self, init: B, f: F ) -> TryFoldFuture<'_, Self, F, B> ⓘ
Accumulates a fallible computation over the stream. Read more
source§fn scan<St, B, F>(self, initial_state: St, f: F) -> Scan<Self, St, F>
fn scan<St, B, F>(self, initial_state: St, f: F) -> Scan<Self, St, F>
Maps items of the stream to new values using a state value and a closure. Read more
source§fn enumerate(self) -> Enumerate<Self>where
Self: Sized,
fn enumerate(self) -> Enumerate<Self>where
Self: Sized,
Enumerates items, mapping them to
(index, item)
. Read moresource§fn inspect<F>(self, f: F) -> Inspect<Self, F>
fn inspect<F>(self, f: F) -> Inspect<Self, F>
Calls a closure on each item and passes it on. Read more
source§fn nth(&mut self, n: usize) -> NthFuture<'_, Self> ⓘwhere
Self: Unpin,
fn nth(&mut self, n: usize) -> NthFuture<'_, Self> ⓘwhere
Self: Unpin,
Gets the
n
th item of the stream. Read moresource§fn last(self) -> LastFuture<Self> ⓘwhere
Self: Sized,
fn last(self) -> LastFuture<Self> ⓘwhere
Self: Sized,
Returns the last item in the stream. Read more
source§fn find<P>(&mut self, predicate: P) -> FindFuture<'_, Self, P> ⓘ
fn find<P>(&mut self, predicate: P) -> FindFuture<'_, Self, P> ⓘ
source§fn find_map<F, B>(&mut self, f: F) -> FindMapFuture<'_, Self, F> ⓘ
fn find_map<F, B>(&mut self, f: F) -> FindMapFuture<'_, Self, F> ⓘ
source§fn position<P>(&mut self, predicate: P) -> PositionFuture<'_, Self, P> ⓘ
fn position<P>(&mut self, predicate: P) -> PositionFuture<'_, Self, P> ⓘ
source§fn for_each<F>(self, f: F) -> ForEachFuture<Self, F> ⓘ
fn for_each<F>(self, f: F) -> ForEachFuture<Self, F> ⓘ
Calls a closure on each item of the stream. Read more
source§fn try_for_each<F, E>(&mut self, f: F) -> TryForEachFuture<'_, Self, F> ⓘ
fn try_for_each<F, E>(&mut self, f: F) -> TryForEachFuture<'_, Self, F> ⓘ
Calls a fallible closure on each item of the stream, stopping on first error. Read more
source§fn zip<U>(self, other: U) -> Zip<Self, U>
fn zip<U>(self, other: U) -> Zip<Self, U>
Zips up two streams into a single stream of pairs. Read more
source§fn unzip<A, B, FromA, FromB>(self) -> UnzipFuture<Self, FromA, FromB> ⓘ
fn unzip<A, B, FromA, FromB>(self) -> UnzipFuture<Self, FromA, FromB> ⓘ
Collects a stream of pairs into a pair of collections. Read more
source§fn race<S>(self, other: S) -> Race<Self, S>
fn race<S>(self, other: S) -> Race<Self, S>
Merges with
other
stream, with no preference for either stream when both are ready. Read moresource§fn drain(&mut self) -> Drain<'_, Self>
fn drain(&mut self) -> Drain<'_, Self>
Yields all immediately available values from a stream. Read more