grafix_toolbox::sync::stream

Struct FoldFuture

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pub struct FoldFuture<S, F, T> { /* private fields */ }
Expand description

Future for the StreamExt::fold() method.

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impl<S, F, T> Debug for FoldFuture<S, F, T>
where S: Debug, F: Debug, T: Debug,

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

Formats the value using the given formatter. Read more
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impl<S, F, T> Future for FoldFuture<S, F, T>
where S: Stream, F: FnMut(T, <S as Stream>::Item) -> T,

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type Output = T

The type of value produced on completion.
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fn poll( self: Pin<&mut FoldFuture<S, F, T>>, cx: &mut Context<'_>, ) -> Poll<<FoldFuture<S, F, T> as Future>::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
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impl<'__pin, S, F, T> Unpin for FoldFuture<S, F, T>
where <PinnedFieldsOfHelperStruct<__Origin<'__pin, S, F, T>> as PinnedFieldsOfHelperTrait>::Actual: Unpin,

Auto Trait Implementations§

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impl<S, F, T> Freeze for FoldFuture<S, F, T>
where S: Freeze, F: Freeze, T: Freeze,

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impl<S, F, T> RefUnwindSafe for FoldFuture<S, F, T>
where S: RefUnwindSafe, F: RefUnwindSafe, T: RefUnwindSafe,

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impl<S, F, T> Send for FoldFuture<S, F, T>
where S: Send, F: Send, T: Send,

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impl<S, F, T> Sync for FoldFuture<S, F, T>
where S: Sync, F: Sync, T: Sync,

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impl<S, F, T> UnwindSafe for FoldFuture<S, F, T>
where S: UnwindSafe, F: UnwindSafe, T: UnwindSafe,

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

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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,

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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,

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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

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<F> FutureExt for F
where F: Future + ?Sized,

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

A convenience for calling Future::poll() on !Unpin types.
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fn or<F>(self, other: F) -> Or<Self, F> ⓘ
where Self: Sized, F: Future<Output = Self::Output>,

Returns the result of self or other future, preferring self if both are ready. Read more
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impl<T, U> Into<U> for T
where U: From<T>,

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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<F> IntoFuture for F
where F: Future,

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type Output = <F as Future>::Output

The output that the future will produce on completion.
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type IntoFuture = F

Which kind of future are we turning this into?
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fn into_future(self) -> <F as IntoFuture>::IntoFuture

Creates a future from a value. Read more
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type Ok = T

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type Error = E

The type of failures yielded by this future
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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
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