Struct arc_swap::cache::MapCache

pub struct MapCache<A, T, F> { /* private fields */ }

An implementation of a cache with a projection into the accessed value.

This is the implementation structure for Cache::map. It can’t be created directly and it should be used through the Access trait.

Trait Implementations

impl<A, T, S, F, U> Access<U> for MapCache<A, T, F>where A: Deref<Target = ArcSwapAny<T, S>>, T: RefCnt, S: Strategy<T>, F: FnMut(&T) -> &U,

fn load(&mut self) -> &U

Loads the value from cache.

impl<A: Clone, T: Clone, F: Clone> Clone for MapCache<A, T, F>

fn clone(&self) -> MapCache<A, T, F>

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<A: Debug, T: Debug, F: Debug> Debug for MapCache<A, T, F>

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

Formats the value using the given formatter.