pebble/assets/
handle.rs

1use crate::assets::storage::RawAssetHandle;
2
3/// A lightweight reference to an entry in `Assets<T>`. `Copy`, `Eq`,
4/// `Hash` — safe to store in a component or use as a map key. A stale
5/// handle (its entry removed) just yields `None` from `Assets<T>`'s
6/// lookups, never panics.
7pub struct Handle<T> {
8    pub id: RawAssetHandle,
9    _marker: std::marker::PhantomData<fn() -> T>,
10}
11
12impl<T> Handle<T> {
13    pub fn new(id: RawAssetHandle) -> Self {
14        Self {
15            id,
16            _marker: std::marker::PhantomData,
17        }
18    }
19}
20
21impl<T> Clone for Handle<T> {
22    fn clone(&self) -> Self {
23        *self
24    }
25}
26impl<T> Copy for Handle<T> {}
27
28impl<T> Default for Handle<T> {
29    fn default() -> Self {
30        Self::new(RawAssetHandle::default())
31    }
32}
33
34impl<T> PartialEq for Handle<T> {
35    fn eq(&self, other: &Self) -> bool {
36        self.id == other.id
37    }
38}
39impl<T> Eq for Handle<T> {}
40
41impl<T> std::hash::Hash for Handle<T> {
42    fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
43        self.id.hash(state);
44    }
45}
46
47impl<T> std::fmt::Debug for Handle<T> {
48    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
49        f.debug_tuple("Handle").field(&self.id).finish()
50    }
51}
pebble/assets/handle.rs

pebble/assets/
handle.rs
