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TypedReserved

persistent_queue

Struct TypedReserved 

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pub struct TypedReserved<S: Store, T> { /* private fields */ }
Expand description

A reserved, decoded item. Derefs to the value; ack removes it while nack or drop returns it for redelivery.

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impl<S: Store, T> TypedReserved<S, T>

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pub fn seq(&self) -> u64

The item’s sequence number, stable across redeliveries.

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pub fn ack(self) -> Result<(), S::Error>

Remove the item from the queue.

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pub fn nack(self)

Return the item for redelivery without removing it.

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impl<S: Store, T> Deref for TypedReserved<S, T>

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type Target = T

The resulting type after dereferencing.
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fn deref(&self) -> &T

Dereferences the value.

Auto Trait Implementations§

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impl<S, T> Freeze for TypedReserved<S, T>
where Reserved<S>: Freeze, T: Freeze,

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impl<S, T> RefUnwindSafe for TypedReserved<S, T>
where Reserved<S>: RefUnwindSafe, T: RefUnwindSafe,

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impl<S, T> Send for TypedReserved<S, T>
where Reserved<S>: Send, T: Send,

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impl<S, T> Sync for TypedReserved<S, T>
where Reserved<S>: Sync, T: Sync,

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impl<S, T> Unpin for TypedReserved<S, T>
where Reserved<S>: Unpin, T: Unpin,

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impl<S, T> UnsafeUnpin for TypedReserved<S, T>
where Reserved<S>: UnsafeUnpin, T: UnsafeUnpin,

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impl<S, T> UnwindSafe for TypedReserved<S, T>
where Reserved<S>: UnwindSafe, 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, 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<P, T> Receiver for P
where P: Deref<Target = T> + ?Sized, T: ?Sized,

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type Target = T

🔬This is a nightly-only experimental API. (arbitrary_self_types)
The target type on which the method may be called.
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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.