Trait cached::CachedAsync

pub trait CachedAsync<K, V> {
    // Required methods
    fn get_or_set_with<'life0, 'async_trait, F, Fut>(
        &'life0 mut self,
        k: K,
        f: F
    ) -> Pin<Box<dyn Future<Output = &mut V> + Send + 'async_trait>>
       where V: Send,
             F: FnOnce() -> Fut + Send + 'async_trait,
             Fut: Future<Output = V> + Send + 'async_trait,
             Self: 'async_trait,
             'life0: 'async_trait;
    fn try_get_or_set_with<'life0, 'async_trait, F, Fut, E>(
        &'life0 mut self,
        k: K,
        f: F
    ) -> Pin<Box<dyn Future<Output = Result<&mut V, E>> + Send + 'async_trait>>
       where V: Send,
             F: FnOnce() -> Fut + Send + 'async_trait,
             Fut: Future<Output = Result<V, E>> + Send + 'async_trait,
             E: 'async_trait,
             Self: 'async_trait,
             'life0: 'async_trait;
}

Available on crate feature async only.

Required Methods

fn get_or_set_with<'life0, 'async_trait, F, Fut>( &'life0 mut self, k: K, f: F ) -> Pin<Box<dyn Future<Output = &mut V> + Send + 'async_trait>>

where V: Send, F: FnOnce() -> Fut + Send + 'async_trait, Fut: Future<Output = V> + Send + 'async_trait, Self: 'async_trait, 'life0: 'async_trait,

fn try_get_or_set_with<'life0, 'async_trait, F, Fut, E>( &'life0 mut self, k: K, f: F ) -> Pin<Box<dyn Future<Output = Result<&mut V, E>> + Send + 'async_trait>>

where V: Send, F: FnOnce() -> Fut + Send + 'async_trait, Fut: Future<Output = Result<V, E>> + Send + 'async_trait, E: 'async_trait, Self: 'async_trait, 'life0: 'async_trait,

Object Safety

This trait is not object safe.

Implementations on Foreign Types

impl<K, V, S> CachedAsync<K, V> for HashMap<K, V, S>

where K: Hash + Eq + Clone + Send, S: BuildHasher + Send,

fn get_or_set_with<'life0, 'async_trait, F, Fut>( &'life0 mut self, k: K, f: F ) -> Pin<Box<dyn Future<Output = &mut V> + Send + 'async_trait>>

where V: Send, F: FnOnce() -> Fut + Send + 'async_trait, Fut: Future<Output = V> + Send + 'async_trait, Self: 'async_trait, 'life0: 'async_trait,

Available on crate feature async only.

fn try_get_or_set_with<'life0, 'async_trait, F, Fut, E>( &'life0 mut self, k: K, f: F ) -> Pin<Box<dyn Future<Output = Result<&mut V, E>> + Send + 'async_trait>>

where V: Send, F: FnOnce() -> Fut + Send + 'async_trait, Fut: Future<Output = Result<V, E>> + Send + 'async_trait, E: 'async_trait, Self: 'async_trait, 'life0: 'async_trait,

Available on crate feature async only.

Implementors

impl<K, V> CachedAsync<K, V> for SizedCache<K, V>

where K: Hash + Eq + Clone + Send,

impl<K, V> CachedAsync<K, V> for TimedCache<K, V>

where K: Hash + Eq + Clone + Send,

impl<K, V> CachedAsync<K, V> for TimedSizedCache<K, V>

where K: Hash + Eq + Clone + Send,

impl<K, V> CachedAsync<K, V> for UnboundCache<K, V>

where K: Hash + Eq + Clone + Send,