Trait ritecache::Cache[−][src]

pub trait Cache<K, V, S, M> where
    K: Eq + Hash,
    S: BuildHasher,
    M: Meter<K, V>, {

Show 16 methods    fn with_meter_and_hasher(cap: u64, meter: M, hash_builder: S) -> Self;

    fn get<'a, Q: ?Sized>(&'a mut self, k: &Q) -> Option<&'a V>
    where
        K: Borrow<Q>,
        Q: Hash + Eq + ?Sized;

    fn get_mut<'a, Q: ?Sized>(&'a mut self, k: &Q) -> Option<&'a mut V>
    where
        K: Borrow<Q>,
        Q: Hash + Eq + ?Sized;

    fn peek<'a, Q: ?Sized>(&'a self, k: &Q) -> Option<&'a V>
    where
        K: Borrow<Q>,
        Q: Hash + Eq + ?Sized;

    fn peek_mut<'a, Q: ?Sized>(&'a mut self, k: &Q) -> Option<&'a mut V>
    where
        K: Borrow<Q>,
        Q: Hash + Eq + ?Sized;

    fn peek_by_policy(&self) -> Option<(&K, &V)>;

    fn put(&mut self, k: K, v: V) -> Option<V>;

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

    fn pop_by_policy(&mut self) -> Option<(K, V)>;

    fn contains<Q: ?Sized>(&self, k: &Q) -> bool
    where
        K: Borrow<Q>,
        Q: Hash + Eq + ?Sized;

    fn len(&self) -> usize;

    fn is_empty(&self) -> bool;

    fn capacity(&self) -> u64;

    fn set_capacity(&mut self, cap: u64);

    fn size(&self) -> u64;

    fn clear(&mut self);

}
Expand description

A trait for a cache.

Required methods

Implementors