MemoryCounterStore

Struct MemoryCounterStore 

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pub struct MemoryCounterStore<const ENTRIES: usize, const KEY_LEN: usize> { /* private fields */ }
Expand description

Fixed-capacity in-memory counter store.

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impl<const ENTRIES: usize, const KEY_LEN: usize> CounterStore for MemoryCounterStore<ENTRIES, KEY_LEN>

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type Error = MemoryStoreError

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async fn load(&self, context: &[u8]) -> Result<u32, Self::Error>

Load the stored counter for context, or 0 if missing.
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async fn store(&self, context: &[u8], value: u32) -> Result<(), Self::Error>

Persist a counter value for context.
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async fn flush(&self) -> Result<(), Self::Error>

Flush any buffered state to durable storage.
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impl<const ENTRIES: usize, const KEY_LEN: usize> Default for MemoryCounterStore<ENTRIES, KEY_LEN>

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fn default() -> Self

Returns the “default value” for a type. Read more

Auto Trait Implementations§

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impl<const ENTRIES: usize, const KEY_LEN: usize> !Freeze for MemoryCounterStore<ENTRIES, KEY_LEN>

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impl<const ENTRIES: usize, const KEY_LEN: usize> !RefUnwindSafe for MemoryCounterStore<ENTRIES, KEY_LEN>

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impl<const ENTRIES: usize, const KEY_LEN: usize> Send for MemoryCounterStore<ENTRIES, KEY_LEN>

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impl<const ENTRIES: usize, const KEY_LEN: usize> !Sync for MemoryCounterStore<ENTRIES, KEY_LEN>

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impl<const ENTRIES: usize, const KEY_LEN: usize> Unpin for MemoryCounterStore<ENTRIES, KEY_LEN>

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impl<const ENTRIES: usize, const KEY_LEN: usize> UnwindSafe for MemoryCounterStore<ENTRIES, KEY_LEN>

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> Same for T

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type Output = T

Should always be Self
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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> AutoreleaseSafe for T
where T: ?Sized,