hooks_core

Struct NextValue

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pub struct NextValue<'hook, H: ?Sized> { /* private fields */ }
Expand description

A future which outputs the next value of the hook. See HookExt::next_value.

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impl<'hook, H: ?Sized> NextValue<'hook, H>

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pub fn new(hook: Pin<&'hook mut H>) -> Self

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impl<'hook, H> Future for NextValue<'hook, H>
where H: Hook + ?Sized,

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type Output = Option<<H as HookValue<'hook>>::Value>

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<'hook, H: ?Sized> Unpin for NextValue<'hook, H>

Auto Trait Implementations§

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impl<'hook, H> Freeze for NextValue<'hook, H>
where H: ?Sized,

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impl<'hook, H> RefUnwindSafe for NextValue<'hook, H>
where H: RefUnwindSafe + ?Sized,

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impl<'hook, H> Send for NextValue<'hook, H>
where H: Send + ?Sized,

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impl<'hook, H> Sync for NextValue<'hook, H>
where H: Sync + ?Sized,

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impl<'hook, H> !UnwindSafe for NextValue<'hook, H>

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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, 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, 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, U> Captures<U> for T
where T: ?Sized,