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

`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`.
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crumblingstatue 2024-05-13 12:49:31 +02:00 committed by GitHub
parent c3f386aa30
commit acfe9f6f3b
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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
/// extra checks are added to detect deadlocks.
#[derive(Default)]
pub struct RwLock<T>(parking_lot::RwLock<T>);
pub struct RwLock<T: ?Sized>(parking_lot::RwLock<T>);
impl<T> RwLock<T> {
#[inline(always)]
pub fn new(val: T) -> Self {
Self(parking_lot::RwLock::new(val))
}
}
impl<T: ?Sized> RwLock<T> {
#[inline(always)]
pub fn read(&self) -> RwLockReadGuard<'_, T> {
parking_lot::RwLockReadGuard::map(self.0.read(), |v| v)