Struct proc_macro::bridge::handle::OwnedStore

pub(super) struct OwnedStore<T: 'static> {
    counter: &'static AtomicUsize,
    data: BTreeMap<NonZeroU32, T>,
}

🔬This is a nightly-only experimental API. (proc_macro_internals #27812)

A store that associates values of type T with numeric handles. A value can be looked up using its handle.

Fields

counter: &'static AtomicUsize

🔬This is a nightly-only experimental API. (proc_macro_internals #27812)

data: BTreeMap<NonZeroU32, T>

🔬This is a nightly-only experimental API. (proc_macro_internals #27812)

Implementations

impl<T> OwnedStore<T>

pub(super) fn new(counter: &'static AtomicUsize) -> Self

🔬This is a nightly-only experimental API. (proc_macro_internals #27812)

impl<T> OwnedStore<T>

pub(super) fn alloc(&mut self, x: T) -> NonZeroU32

🔬This is a nightly-only experimental API. (proc_macro_internals #27812)

pub(super) fn take(&mut self, h: NonZeroU32) -> T

🔬This is a nightly-only experimental API. (proc_macro_internals #27812)

Trait Implementations

impl<T> Index<NonZeroU32> for OwnedStore<T>

type Output = T

The returned type after indexing.

fn index(&self, h: NonZeroU32) -> &T

Performs the indexing (container[index]) operation.

impl<T> IndexMut<NonZeroU32> for OwnedStore<T>

fn index_mut(&mut self, h: NonZeroU32) -> &mut T

Performs the mutable indexing (container[index]) operation.