Struct futures_util::stream::Unfold [−][src]
Stream for the unfold
function.
Trait Implementations
impl<T, F, Fut> Debug for Unfold<T, F, Fut> where
T: Debug,
Fut: Debug,
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T: Debug,
Fut: Debug,
impl<T, F, Fut, Item> FusedStream for Unfold<T, F, Fut> where
F: FnMut(T) -> Fut,
Fut: Future<Output = Option<(Item, T)>>,
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F: FnMut(T) -> Fut,
Fut: Future<Output = Option<(Item, T)>>,
fn is_terminated(&self) -> bool
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impl<T, F, Fut, Item> Stream for Unfold<T, F, Fut> where
F: FnMut(T) -> Fut,
Fut: Future<Output = Option<(Item, T)>>,
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F: FnMut(T) -> Fut,
Fut: Future<Output = Option<(Item, T)>>,
type Item = Item
Values yielded by the stream.
fn poll_next(
self: Pin<&mut Self>,
cx: &mut Context<'_>
) -> Poll<Option<Self::Item>>
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self: Pin<&mut Self>,
cx: &mut Context<'_>
) -> Poll<Option<Self::Item>>
pub fn size_hint(&self) -> (usize, Option<usize>)
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impl<'__pin, T, F, Fut> Unpin for Unfold<T, F, Fut> where
__Origin<'__pin, T, F, Fut>: Unpin,
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__Origin<'__pin, T, F, Fut>: Unpin,
Auto Trait Implementations
impl<T, F, Fut> Send for Unfold<T, F, Fut> where
F: Send,
Fut: Send,
T: Send,
F: Send,
Fut: Send,
T: Send,
impl<T, F, Fut> Sync for Unfold<T, F, Fut> where
F: Sync,
Fut: Sync,
T: Sync,
F: Sync,
Fut: Sync,
T: Sync,
Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
pub fn borrow_mut(&mut self) -> &mut T
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impl<T> From<T> for T
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T, U> TryFrom<U> 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.
pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> 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.
pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
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impl<S, T, E> TryStream for S where
S: Stream<Item = Result<T, E>> + ?Sized,
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S: Stream<Item = Result<T, E>> + ?Sized,