scoped_futures

Struct ScopedFutureWrapper

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pub struct ScopedFutureWrapper<'upper_bound, 'subject, Fut> { /* private fields */ }
Expand description

A Future wrapper type that imposes an upper bound on its lifetime’s duration.

Trait Implementations§

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impl<'upper_bound, 'subject, Fut: Clone> Clone for ScopedFutureWrapper<'upper_bound, 'subject, Fut>

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fn clone(&self) -> ScopedFutureWrapper<'upper_bound, 'subject, Fut> ⓘ

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl<'upper_bound, 'subject, Fut: Debug> Debug for ScopedFutureWrapper<'upper_bound, 'subject, Fut>

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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<'upper_bound, 'subject, Fut: Future> Future for ScopedFutureWrapper<'upper_bound, 'subject, Fut>

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type Output = <Fut as Future>::Output

The type of value produced on completion.
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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
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impl<'__pin, 'upper_bound, 'subject, Fut> Unpin for ScopedFutureWrapper<'upper_bound, 'subject, Fut>
where __Origin<'__pin, 'upper_bound, 'subject, Fut>: Unpin,

Auto Trait Implementations§

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impl<'upper_bound, 'subject, Fut> Freeze for ScopedFutureWrapper<'upper_bound, 'subject, Fut>
where Fut: Freeze,

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impl<'upper_bound, 'subject, Fut> RefUnwindSafe for ScopedFutureWrapper<'upper_bound, 'subject, Fut>
where Fut: RefUnwindSafe,

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impl<'upper_bound, 'subject, Fut> Send for ScopedFutureWrapper<'upper_bound, 'subject, Fut>
where Fut: Send,

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impl<'upper_bound, 'subject, Fut> Sync for ScopedFutureWrapper<'upper_bound, 'subject, Fut>
where Fut: Sync,

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impl<'upper_bound, 'subject, Fut> UnwindSafe for ScopedFutureWrapper<'upper_bound, 'subject, Fut>
where Fut: 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> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. 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, 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<Fut> ScopedFutureExt for Fut
where Fut: Future,

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fn scoped<'upper_bound, 'subject>( self, ) -> ScopedFutureWrapper<'upper_bound, 'subject, Fut> ⓘ

Encodes the lifetimes of this Future’s captures.
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fn scope_boxed<'upper_bound, 'subject>( self, ) -> Pin<Box<dyn ScopedFuture<'upper_bound, 'subject, Output = <Fut as Future>::Output> + Send + 'subject>>
where Fut: Send + Future + 'subject,

Boxes this Future and encodes the lifetimes of its captures.
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fn scope_boxed_local<'upper_bound, 'subject>( self, ) -> Pin<Box<dyn ScopedFuture<'upper_bound, 'subject, Output = <Fut as Future>::Output> + 'subject>>
where Fut: Future + 'subject,

Boxes this Future and encodes the lifetimes of its captures.
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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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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<'upper_bound, 'subject, Fut> ScopedFuture<'upper_bound, 'subject> for Fut
where 'upper_bound: 'subject, Fut: Future + 'subject,