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Slot

aria_primitives::slot

Struct Slot 

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pub struct Slot<T> { /* private fields */ }
Expand description

Losers of the build race wait, and a failure leaves the slot empty for the next caller to retry.

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impl<T> Slot<T>

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pub fn empty() -> Self

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pub fn get(&self) -> Option<&T>

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pub fn get_or_try_init<E>( &self, build: impl FnOnce() -> Result<T, E>, ) -> Result<&T, E>

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impl<T> !Freeze for Slot<T>

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impl<T> RefUnwindSafe for Slot<T>
where OnceLock<T>: RefUnwindSafe,

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impl<T> Send for Slot<T>
where OnceLock<T>: Send,

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impl<T> Sync for Slot<T>
where OnceLock<T>: Sync,

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impl<T> Unpin for Slot<T>
where OnceLock<T>: Unpin,

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impl<T> UnsafeUnpin for Slot<T>
where OnceLock<T>: UnsafeUnpin,

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impl<T> UnwindSafe for Slot<T>
where OnceLock<T>: 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: 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<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = !

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

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