use crate::common::concurrent::ValueEntry;
use std::{hash::Hash, sync::Arc};
use triomphe::Arc as TrioArc;
type DashMapRef<'a, K, V> =
dashmap::mapref::multiple::RefMulti<'a, Arc<K>, TrioArc<ValueEntry<K, V>>>;
pub struct EntryRef<'a, K, V>(DashMapRef<'a, K, V>);
unsafe impl<K, V> Sync for EntryRef<'_, K, V>
where
K: Eq + Hash + Send + Sync,
V: Send + Sync,
{
}
impl<'a, K, V> EntryRef<'a, K, V>
where
K: Eq + Hash,
{
pub(crate) fn new(map_ref: DashMapRef<'a, K, V>) -> Self {
Self(map_ref)
}
pub fn key(&self) -> &K {
self.0.key()
}
pub fn value(&self) -> &V {
&self.0.value().value
}
pub fn pair(&self) -> (&K, &V) {
(self.key(), self.value())
}
}
impl<K, V> std::ops::Deref for EntryRef<'_, K, V>
where
K: Eq + Hash,
{
type Target = V;
fn deref(&self) -> &V {
self.value()
}
}