pub(super) struct InternedStore<T: 'static> {
owned: OwnedStore<T>,
interner: HashMap<T, NonZero<u32>, BuildHasherDefault<FxHasher>>,
}
🔬This is a nightly-only experimental API. (
proc_macro_internals
#27812)Expand description
Like OwnedStore
, but avoids storing any value more than once.
Fields§
§owned: OwnedStore<T>
🔬This is a nightly-only experimental API. (
§proc_macro_internals
#27812)interner: HashMap<T, NonZero<u32>, BuildHasherDefault<FxHasher>>
🔬This is a nightly-only experimental API. (
proc_macro_internals
#27812)Implementations§
Source§impl<T: Copy + Eq + Hash> InternedStore<T>
impl<T: Copy + Eq + Hash> InternedStore<T>
pub(super) fn new(counter: &'static AtomicU32) -> Self
🔬This is a nightly-only experimental API. (
proc_macro_internals
#27812)pub(super) fn alloc(&mut self, x: T) -> NonZero<u32>
🔬This is a nightly-only experimental API. (
proc_macro_internals
#27812)pub(super) fn copy(&mut self, h: NonZero<u32>) -> T
🔬This is a nightly-only experimental API. (
proc_macro_internals
#27812)Auto Trait Implementations§
impl<T> Freeze for InternedStore<T>
impl<T> RefUnwindSafe for InternedStore<T>where
T: RefUnwindSafe,
impl<T> Send for InternedStore<T>where
T: Send,
impl<T> Sync for InternedStore<T>where
T: Sync,
impl<T> Unpin for InternedStore<T>where
T: Unpin,
impl<T> UnwindSafe for InternedStore<T>where
T: UnwindSafe + RefUnwindSafe,
Blanket Implementations§
Source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
Source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
Source§impl<T> SizedTypeProperties for T
impl<T> SizedTypeProperties for T
Source§#[doc(hidden)] const IS_ZST: bool = _
#[doc(hidden)] const IS_ZST: bool = _
🔬This is a nightly-only experimental API. (
sized_type_properties
)Source§#[doc(hidden)] const LAYOUT: Layout = _
#[doc(hidden)] const LAYOUT: Layout = _
🔬This is a nightly-only experimental API. (
sized_type_properties
)Source§#[doc(hidden)] const MAX_SLICE_LEN: usize = _
#[doc(hidden)] const MAX_SLICE_LEN: usize = _
🔬This is a nightly-only experimental API. (
sized_type_properties
)The largest safe length for a
[Self]
. Read more