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Make epaint::mutex::RwLock allow ?Sized types (#4485)

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`parking_lot`'s `RwLock` allows this, so probably `epaint`'s `RwLock`
should too.
Although I'm not sure how much it's intended for users, rather than just
internal use by `egui`.
This commit is contained in:
crumblingstatue
2024-05-13 12:49:31 +02:00
committed by GitHub
parent c3f386aa30
commit acfe9f6f3b
1 changed files with 3 additions and 1 deletions
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4
crates/epaint/src/mutex.rs
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@@ -133,14 +133,16 @@ mod rw_lock_impl {
/// the feature `deadlock_detection` is turned enabled, in which case /// the feature `deadlock_detection` is turned enabled, in which case
/// extra checks are added to detect deadlocks. /// extra checks are added to detect deadlocks.
#[derive(Default)] #[derive(Default)]
pub struct RwLock<T>(parking_lot::RwLock<T>); pub struct RwLock<T: ?Sized>(parking_lot::RwLock<T>);
impl<T> RwLock<T> { impl<T> RwLock<T> {
#[inline(always)] #[inline(always)]
pub fn new(val: T) -> Self { pub fn new(val: T) -> Self {
Self(parking_lot::RwLock::new(val)) Self(parking_lot::RwLock::new(val))
} }
}
impl<T: ?Sized> RwLock<T> {
#[inline(always)] #[inline(always)]
pub fn read(&self) -> RwLockReadGuard<'_, T> { pub fn read(&self) -> RwLockReadGuard<'_, T> {
parking_lot::RwLockReadGuard::map(self.0.read(), |v| v) parking_lot::RwLockReadGuard::map(self.0.read(), |v| v)