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TryForEach

asupersync::stream

Struct TryForEach 

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

A future that executes a fallible closure for each item.

Short-circuits on the first error.

Created by StreamExt::try_for_each.

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impl<S: Debug, F: Debug> Debug for TryForEach<S, F>

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

Formats the value using the given formatter. Read more
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impl<S, F, E> Future for TryForEach<S, F>
where S: Stream + Unpin, F: FnMut(S::Item) -> Result<(), E>,

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type Output = Result<(), E>

The type of value produced on completion.
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fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Result<(), E>>

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<S: Unpin, F> Unpin for TryForEach<S, F>

Auto Trait Implementations§

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impl<S, F> Freeze for TryForEach<S, F>
where S: Freeze, F: Freeze,

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impl<S, F> RefUnwindSafe for TryForEach<S, F>
where S: RefUnwindSafe, F: RefUnwindSafe,

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impl<S, F> Send for TryForEach<S, F>
where S: Send, F: Send,

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impl<S, F> Sync for TryForEach<S, F>
where S: Sync, F: Sync,

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impl<S, F> UnsafeUnpin for TryForEach<S, F>
where S: UnsafeUnpin, F: UnsafeUnpin,

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impl<S, F> UnwindSafe for TryForEach<S, F>
where S: UnwindSafe, F: UnwindSafe,

Blanket Implementations§

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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<T> Instrument for T

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fn instrument(self, _span: NoopSpan) -> Self

Instruments this future with a span (no-op when disabled).
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fn in_current_span(self) -> Self

Instruments this future with the current span (no-op when disabled).
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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. 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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impl<T> Same for T

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type Output = T

Should always be Self
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more