Struct InMemoryCache

pub struct InMemoryCache { /* private fields */ }

Trait Implementations

impl CacheBackend for InMemoryCache

fn backend_type(&self) -> &'static str

report the type of the cache backend

fn new() -> Self

Create a new cache backend

fn get(&self, key: CacheKey) -> Option<CacheValue>

Get an image from the cache by its key

fn get_random(&self) -> Option<CacheValue>

Get a random image from the cache

fn set(&mut self, key: CacheKey, image: CacheValue) -> Result<(), String>

Store an image in the cache with its key

fn remove(&mut self, key: &CacheKey) -> Option<CacheValue>

Remove an image from the cache by its key

fn size(&self) -> usize

Get the size of the cache

fn clear(&mut self) -> Result<(), String>

Clear the cache

fn keys(&self) -> &[CacheKey]

Retrieve the keys in the cache

fn is_empty(&self) -> bool

Check if the cache is empty

impl Debug for InMemoryCache

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

Formats the value using the given formatter.

impl Default for InMemoryCache

fn default() -> Self

Returns the “default value” for a type.