Trait cache_loader_async::backing::CacheBacking

pub trait CacheBacking<K, V> where
    K: Eq + Hash + Sized + Clone + Send,
    V: Sized + Clone + Send, {
    fn get_mut(&mut self, key: &K) -> Option<&mut V>;
    fn get(&mut self, key: &K) -> Option<&V>;
    fn set(&mut self, key: K, value: V) -> Option<V>;
    fn remove(&mut self, key: &K) -> Option<V>;
    fn contains_key(&self, key: &K) -> bool;
    fn remove_if(
        &mut self, 
        predicate: Box<dyn Fn((&K, &V)) -> bool + Send + 'static>
    );
}

Required methods

fn get_mut(&mut self, key: &K) -> Option<&mut V>

fn get(&mut self, key: &K) -> Option<&V>

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

fn remove(&mut self, key: &K) -> Option<V>

fn contains_key(&self, key: &K) -> bool

fn remove_if(
    &mut self,
    predicate: Box<dyn Fn((&K, &V)) -> bool + Send + 'static>
)

Implementors

impl<K: Eq + Hash + Sized + Clone + Send, V: Sized + Clone + Send> CacheBacking<K, V> for HashMapBacking<K, V>