GdsfCache

Struct GdsfCache 

Source
pub struct GdsfCache<K, V, S = DefaultHashBuilder> { /* private fields */ }
Expand description

An implementation of a Greedy Dual-Size Frequency (GDSF) cache.

Implementations§

Source§

impl<K: Hash + Eq, V: Clone, S: BuildHasher> GdsfCache<K, V, S>

Source

pub fn with_hasher(cap: NonZeroUsize, hash_builder: S) -> Self

Source

pub fn cap(&self) -> NonZeroUsize

Source

pub fn len(&self) -> usize

Source

pub fn is_empty(&self) -> bool

Source

pub fn global_age(&self) -> f64

Source

pub fn record_miss(&mut self, object_size: u64)

Source

pub fn get<Q>(&mut self, key: &Q) -> Option<V>
where K: Borrow<Q> + Clone, Q: ?Sized + Hash + Eq,

Source

pub fn get_mut<Q>(&mut self, key: &Q) -> Option<&mut V>
where K: Borrow<Q> + Clone, Q: ?Sized + Hash + Eq,

Source

pub fn contains_key<Q>(&self, key: &Q) -> bool
where K: Borrow<Q>, Q: ?Sized + Hash + Eq,

Source

pub fn put(&mut self, key: K, val: V, size: u64) -> Option<V>
where K: Clone,

Source

pub fn pop<Q>(&mut self, key: &Q) -> Option<V>
where K: Borrow<Q>, Q: ?Sized + Hash + Eq,

Source

pub fn clear(&mut self)

Source§

impl<K: Hash + Eq, V: Clone> GdsfCache<K, V, DefaultHashBuilder>

Source

pub fn new(cap: NonZeroUsize) -> Self

Trait Implementations§

Source§

impl<K: Hash + Eq, V: Clone, S: BuildHasher> CacheMetrics for GdsfCache<K, V, S>

Source§

fn metrics(&self) -> BTreeMap<String, f64>

Returns all metrics as key-value pairs in deterministic order Read more
Source§

fn algorithm_name(&self) -> &'static str

Algorithm name for identification Read more
Source§

impl<K: Debug, V: Debug, S: Debug> Debug for GdsfCache<K, V, S>

Source§

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

Formats the value using the given formatter. Read more

Auto Trait Implementations§

§

impl<K, V, S> Freeze for GdsfCache<K, V, S>
where S: Freeze,

§

impl<K, V, S> RefUnwindSafe for GdsfCache<K, V, S>

§

impl<K, V, S> Send for GdsfCache<K, V, S>
where K: Send, V: Send, S: Send,

§

impl<K, V, S> Sync for GdsfCache<K, V, S>
where K: Send, V: Send, S: Sync,

§

impl<K, V, S> Unpin for GdsfCache<K, V, S>
where S: Unpin, K: Unpin,

§

impl<K, V, S> UnwindSafe for GdsfCache<K, V, S>

Blanket Implementations§

Source§

impl<T> Any for T
where T: 'static + ?Sized,

Source§

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
Source§

impl<T> Borrow<T> for T
where T: ?Sized,

Source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
Source§

impl<T> BorrowMut<T> for T
where T: ?Sized,

Source§

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
Source§

impl<T> From<T> for T

Source§

fn from(t: T) -> T

Returns the argument unchanged.

Source§

impl<T, U> Into<U> for T
where U: From<T>,

Source§

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

Source§

impl<T, U> TryFrom<U> for T
where U: Into<T>,

Source§

type Error = Infallible

The type returned in the event of a conversion error.
Source§

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
Source§

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

Source§

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
Source§

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.