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add readable and writable traits for signal-like structs

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Evan Almloff committed 2024-01-23 10:05:59 -06:00
1 parent 93adb35cfa
commit 51d7133ca5
17 files changed
+756 -673
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packages/generational-box/src/sync.rs
+48 -48
View File
@@ -20,6 +20,54 @@ fn sync_runtime() -> &'static Arc<Mutex<Vec<MemoryLocation<SyncStorage>>>> {
}
impl AnyStorage for SyncStorage {
type Ref<R: ?Sized + 'static> = GenerationalRef<MappedRwLockReadGuard<'static, R>>;
type Mut<W: ?Sized + 'static> = GenerationalRefMut<MappedRwLockWriteGuard<'static, W>>;
fn try_map<I, U: ?Sized + 'static>(
ref_: Self::Ref<I>,
f: impl FnOnce(&I) -> Option<&U>,
) -> Option<Self::Ref<U>> {
let GenerationalRef {
inner,
#[cfg(any(debug_assertions, feature = "debug_borrows"))]
borrow,
..
} = ref_;
MappedRwLockReadGuard::try_map(inner, f)
.ok()
.map(|inner| GenerationalRef {
inner,
#[cfg(any(debug_assertions, feature = "debug_borrows"))]
borrow: crate::GenerationalRefBorrowInfo {
borrowed_at: borrow.borrowed_at,
borrowed_from: borrow.borrowed_from,
created_at: borrow.created_at,
},
})
}
fn try_map_mut<I: ?Sized, U: ?Sized + 'static>(
mut_ref: Self::Mut<I>,
f: impl FnOnce(&mut I) -> Option<&mut U>,
) -> Option<Self::Mut<U>> {
let GenerationalRefMut {
inner,
#[cfg(any(debug_assertions, feature = "debug_borrows"))]
borrow,
..
} = mut_ref;
MappedRwLockWriteGuard::try_map(inner, f)
.ok()
.map(|inner| GenerationalRefMut {
inner,
#[cfg(any(debug_assertions, feature = "debug_borrows"))]
borrow: crate::GenerationalRefMutBorrowInfo {
borrowed_from: borrow.borrowed_from,
created_at: borrow.created_at,
},
})
}
fn data_ptr(&self) -> *const () {
self.0.data_ptr() as *const ()
}
@@ -49,9 +97,6 @@ impl AnyStorage for SyncStorage {
}
impl<T: Sync + Send + 'static> Storage<T> for SyncStorage {
type Ref<R: ?Sized + 'static> = GenerationalRef<MappedRwLockReadGuard<'static, R>>;
type Mut<W: ?Sized + 'static> = GenerationalRefMut<MappedRwLockWriteGuard<'static, W>>;
fn try_read(
&'static self,
#[cfg(any(debug_assertions, feature = "debug_ownership"))]
@@ -117,49 +162,4 @@ impl<T: Sync + Send + 'static> Storage<T> for SyncStorage {
fn set(&self, value: T) {
*self.0.write() = Some(Box::new(value));
}
fn try_map<I, U: ?Sized + 'static>(
ref_: Self::Ref<I>,
f: impl FnOnce(&I) -> Option<&U>,
) -> Option<Self::Ref<U>> {
let GenerationalRef {
inner,
#[cfg(any(debug_assertions, feature = "debug_borrows"))]
borrow,
..
} = ref_;
MappedRwLockReadGuard::try_map(inner, f)
.ok()
.map(|inner| GenerationalRef {
inner,
#[cfg(any(debug_assertions, feature = "debug_borrows"))]
borrow: crate::GenerationalRefBorrowInfo {
borrowed_at: borrow.borrowed_at,
borrowed_from: borrow.borrowed_from,
created_at: borrow.created_at,
},
})
}
fn try_map_mut<I, U: ?Sized + 'static>(
mut_ref: Self::Mut<I>,
f: impl FnOnce(&mut I) -> Option<&mut U>,
) -> Option<Self::Mut<U>> {
let GenerationalRefMut {
inner,
#[cfg(any(debug_assertions, feature = "debug_borrows"))]
borrow,
..
} = mut_ref;
MappedRwLockWriteGuard::try_map(inner, f)
.ok()
.map(|inner| GenerationalRefMut {
inner,
#[cfg(any(debug_assertions, feature = "debug_borrows"))]
borrow: crate::GenerationalRefMutBorrowInfo {
borrowed_from: borrow.borrowed_from,
created_at: borrow.created_at,
},
})
}
}