foyer_memory

Enum CacheEntry

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pub enum CacheEntry<K, V, S = RandomState>
where K: Key, V: Value, S: HashBuilder,
{ Fifo(GenericCacheEntry<K, V, SanityEviction<Fifo<(K, V)>>, SanityIndexer<HashTableIndexer<K, FifoHandle<(K, V)>>>, S>), Lru(GenericCacheEntry<K, V, SanityEviction<Lru<(K, V)>>, SanityIndexer<HashTableIndexer<K, LruHandle<(K, V)>>>, S>), Lfu(GenericCacheEntry<K, V, SanityEviction<Lfu<(K, V)>>, SanityIndexer<HashTableIndexer<K, LfuHandle<(K, V)>>>, S>), S3Fifo(GenericCacheEntry<K, V, SanityEviction<S3Fifo<(K, V)>>, SanityIndexer<HashTableIndexer<K, S3FifoHandle<(K, V)>>>, S>), }
Expand description

A cached entry holder of the in-memory cache.

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Fifo(GenericCacheEntry<K, V, SanityEviction<Fifo<(K, V)>>, SanityIndexer<HashTableIndexer<K, FifoHandle<(K, V)>>>, S>)

A cached entry holder of the in-memory FIFO cache.

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Lru(GenericCacheEntry<K, V, SanityEviction<Lru<(K, V)>>, SanityIndexer<HashTableIndexer<K, LruHandle<(K, V)>>>, S>)

A cached entry holder of the in-memory LRU cache.

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Lfu(GenericCacheEntry<K, V, SanityEviction<Lfu<(K, V)>>, SanityIndexer<HashTableIndexer<K, LfuHandle<(K, V)>>>, S>)

A cached entry holder of the in-memory LFU cache.

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S3Fifo(GenericCacheEntry<K, V, SanityEviction<S3Fifo<(K, V)>>, SanityIndexer<HashTableIndexer<K, S3FifoHandle<(K, V)>>>, S>)

A cached entry holder of the in-memory S3FIFO cache.

Implementations§

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impl<K, V, S> CacheEntry<K, V, S>
where K: Key, V: Value, S: HashBuilder,

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pub fn hash(&self) -> u64

Key hash of the cached entry.

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pub fn key(&self) -> &K

Key of the cached entry.

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pub fn value(&self) -> &V

Value of the cached entry.

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pub fn context(&self) -> CacheContext

Context of the cached entry.

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pub fn weight(&self) -> usize

Weight of the cached entry.

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pub fn refs(&self) -> usize

External reference count of the cached entry.

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pub fn is_outdated(&self) -> bool

If the cached entry is updated and outdated.

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impl<K, V, S> Clone for CacheEntry<K, V, S>
where K: Key, V: Value, S: HashBuilder,

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fn clone(&self) -> Self

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl<K, V, S> Debug for CacheEntry<K, V, S>
where K: Key + Debug, V: Value + Debug, S: HashBuilder + Debug,

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl<K, V, S> Deref for CacheEntry<K, V, S>
where K: Key, V: Value, S: HashBuilder,

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type Target = V

The resulting type after dereferencing.
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fn deref(&self) -> &Self::Target

Dereferences the value.

Auto Trait Implementations§

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impl<K, V, S> Freeze for CacheEntry<K, V, S>

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impl<K, V, S = RandomState> !RefUnwindSafe for CacheEntry<K, V, S>

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impl<K, V, S> Send for CacheEntry<K, V, S>

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impl<K, V, S> Sync for CacheEntry<K, V, S>

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impl<K, V, S> Unpin for CacheEntry<K, V, S>

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impl<K, V, S = RandomState> !UnwindSafe for CacheEntry<K, V, S>

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> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. 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> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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impl<T> Pointable for T

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const ALIGN: usize = _

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. 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<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V

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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
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impl<T> Value for T
where T: Send + Sync + 'static,