Struct egui::cache::frame_publisher::FramePublisher

pub struct FramePublisher<Key: Eq + Hash, Value> {
    generation: u32,
    cache: HashMap<Key, (u32, Value)>,
}

Stores a key:value pair for the duration of this frame and the next.

Fields

generation: u32

cache: HashMap<Key, (u32, Value)>

Implementations

impl<Key: Eq + Hash, Value> FramePublisher<Key, Value>

pub fn new() -> Self

pub fn set(&mut self, key: Key, value: Value)

Publish the value. It will be available for the duration of this and the next frame.

pub fn get(&self, key: &Key) -> Option<&Value>

Retrieve a value if it was published this or the previous frame.

pub fn evict_cache(&mut self)

Must be called once per frame to clear the cache.

Trait Implementations

impl<Key, Value> CacheTrait for FramePublisher<Key, Value>

where Key: 'static + Eq + Hash + Send + Sync, Value: 'static + Send + Sync,

fn update(&mut self)

Call once per frame to evict cache.

fn len(&self) -> usize

Number of values currently in the cache.

fn as_any_mut(&mut self) -> &mut dyn Any

impl<Key: Eq + Hash, Value> Default for FramePublisher<Key, Value>

fn default() -> Self

Returns the “default value” for a type.