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Consumer

persistent_queue

Struct Consumer 

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pub struct Consumer<S> { /* private fields */ }
Expand description

The consumer half. Single consumer, so it does not implement Clone.

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impl<S: Store> Consumer<S>

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pub fn reserve(&self) -> Result<Option<Reserved<S>>, S::Error>

Reserve the oldest unreserved item, or None if there is nothing to deliver. Ack or nack the returned Reserved to finish with it.

Auto Trait Implementations§

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impl<S> Freeze for Consumer<S>
where Arc<Shared<S>>: Freeze,

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impl<S> RefUnwindSafe for Consumer<S>
where Arc<Shared<S>>: RefUnwindSafe,

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impl<S> Send for Consumer<S>
where Arc<Shared<S>>: Send,

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impl<S> Sync for Consumer<S>
where Arc<Shared<S>>: Sync,

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impl<S> Unpin for Consumer<S>
where Arc<Shared<S>>: Unpin,

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impl<S> UnsafeUnpin for Consumer<S>
where Arc<Shared<S>>: UnsafeUnpin,

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impl<S> UnwindSafe for Consumer<S>
where Arc<Shared<S>>: 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, 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.