FoldFuture

tokio_stream::stream_ext::fold

Struct FoldFuture 

Source 
pub struct FoldFuture<St, B, F> {
    stream: St,
    acc: Option<B>,
    f: F,
    _pin: PhantomPinned,
}
Expand description

Future returned by the fold method.

Fields§

§stream: St§acc: Option<B>§f: F§_pin: PhantomPinned

Implementations§

Source§

impl<St, B, F> FoldFuture<St, B, F>

Source

pub(super) fn new(stream: St, init: B, f: F) -> Self

Trait Implementations§

Source§

impl<St: Debug, B: Debug, F: Debug> Debug for FoldFuture<St, B, F>

Source§

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

Formats the value using the given formatter. Read more
Source§

impl<St, B, F> Future for FoldFuture<St, B, F>
where St: Stream, F: FnMut(B, St::Item) -> B,

Source§

type Output = B

The type of value produced on completion.
Source§

fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output>

Attempts to resolve the future to a final value, registering the current task for wakeup if the value is not yet available. Read more
Source§

impl<'__pin, St, B, F> Unpin for FoldFuture<St, B, F>
where PinnedFieldsOf<__Origin<'__pin, St, B, F>>: Unpin,

Auto Trait Implementations§

§

impl<St, B, F> Freeze for FoldFuture<St, B, F>
where St: Freeze, F: Freeze, B: Freeze,

§

impl<St, B, F> RefUnwindSafe for FoldFuture<St, B, F>
where St: RefUnwindSafe, F: RefUnwindSafe, B: RefUnwindSafe,

§

impl<St, B, F> Send for FoldFuture<St, B, F>
where St: Send, F: Send, B: Send,

§

impl<St, B, F> Sync for FoldFuture<St, B, F>
where St: Sync, F: Sync, B: Sync,

§

impl<St, B, F> UnwindSafe for FoldFuture<St, B, F>
where St: UnwindSafe, F: UnwindSafe, B: UnwindSafe,

Blanket Implementations§

Source§

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

Source§

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
Source§

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

Source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
Source§

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

Source§

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

Mutably borrows from an owned value. Read more
Source§

impl<T> From<T> for T

Source§

fn from(t: T) -> T

Returns the argument unchanged.

Source§

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

Source§

fn into(self) -> U

Calls U::from(self).

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

Source§

impl<F> IntoFuture for F
where F: Future,

Source§

type Output = <F as Future>::Output

The output that the future will produce on completion.
Source§

type IntoFuture = F

Which kind of future are we turning this into?
Source§

fn into_future(self) -> <F as IntoFuture>::IntoFuture

Creates a future from a value. Read more
Source§

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

Source§

type Error = Infallible

The type returned in the event of a conversion error.
Source§

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

Performs the conversion.
Source§

impl<F, T, E> TryFuture for F
where F: Future<Output = Result<T, E>> + ?Sized,

Source§

type Ok = T

The type of successful values yielded by this future
Source§

type Error = E

The type of failures yielded by this future
Source§

fn try_poll( self: Pin<&mut F>, cx: &mut Context<'_>, ) -> Poll<<F as Future>::Output>

Poll this TryFuture as if it were a Future. Read more
Source§

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

Source§

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

The type returned in the event of a conversion error.
Source§

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

Performs the conversion.