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LruCache

radiate_utils

Struct LruCache 

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pub struct LruCache<K, V, S = RandomState> { /* private fields */ }

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impl<K, V> LruCache<K, V>

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pub fn with_capacity(capacity: usize) -> Self

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impl<K, V, S> LruCache<K, V, S>

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pub fn with_capacity_and_hasher(max_capacity: usize, build_hasher: S) -> Self

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

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pub fn pop_lru(&mut self) -> Option<(K, V)>

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

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pub fn insert(&mut self, key: K, value: V) -> Option<V>

Returns the old value, if any.

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pub fn get_or_insert_with<Q, F>(&mut self, key: &Q, f: F) -> &mut V
where F: FnOnce(&Q) -> V, K: Borrow<Q>, Q: Hash + Eq + ToOwned<Owned = K> + ?Sized,

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pub fn try_get_or_insert_with<Q, E, F: FnOnce(&Q) -> Result<V, E>>( &mut self, key: &Q, f: F, ) -> Result<&mut V, E>
where K: Borrow<Q>, Q: Hash + Eq + ToOwned<Owned = K> + ?Sized,

Auto Trait Implementations§

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

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impl<K, V, S> RefUnwindSafe for LruCache<K, V, S>
where S: RefUnwindSafe, K: RefUnwindSafe, V: RefUnwindSafe,

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

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impl<K, V, S> Sync for LruCache<K, V, S>
where S: Sync, K: Sync, V: Sync,

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

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impl<K, V, S> UnsafeUnpin for LruCache<K, V, S>
where S: UnsafeUnpin,

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impl<K, V, S> UnwindSafe for LruCache<K, V, S>
where S: UnwindSafe, K: UnwindSafe, V: 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 = 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.