use crate::iter::{Iter, IterMut};
use crate::mapref::entry::Entry;
use crate::mapref::one::{Ref, RefMut};
use dashmap_shard::HashMap;
use fxhash::FxBuildHasher;
use parking_lot::{RwLockReadGuard, RwLockWriteGuard};
use std::borrow::Borrow;
use std::hash::Hash;
pub trait Map<'a, K: 'a + Eq + Hash, V: 'a> {
fn _shard_count(&self) -> usize;
unsafe fn _yield_read_shard(
&'a self,
i: usize,
) -> RwLockReadGuard<'a, HashMap<K, V, FxBuildHasher>>;
unsafe fn _yield_write_shard(
&'a self,
i: usize,
) -> RwLockWriteGuard<'a, HashMap<K, V, FxBuildHasher>>;
fn _insert(&self, key: K, value: V) -> Option<V>;
fn _remove<Q>(&self, key: &Q) -> Option<(K, V)>
where
K: Borrow<Q>,
Q: Hash + Eq + ?Sized;
fn _iter(&'a self) -> Iter<'a, K, V, Self>
where
Self: Sized;
fn _iter_mut(&'a self) -> IterMut<'a, K, V, Self>
where
Self: Sized;
fn _get<Q>(&'a self, key: &Q) -> Option<Ref<'a, K, V>>
where
K: Borrow<Q>,
Q: Hash + Eq + ?Sized;
fn _get_mut<Q>(&'a self, key: &Q) -> Option<RefMut<'a, K, V>>
where
K: Borrow<Q>,
Q: Hash + Eq + ?Sized;
fn _shrink_to_fit(&self);
fn _retain(&self, f: impl FnMut(&K, &mut V) -> bool);
fn _len(&self) -> usize;
fn _capacity(&self) -> usize;
fn _alter<Q>(&self, key: &Q, f: impl FnOnce(&K, V) -> V)
where
K: Borrow<Q>,
Q: Hash + Eq + ?Sized;
fn _alter_all(&self, f: impl FnMut(&K, V) -> V);
fn _entry(&'a self, key: K) -> Entry<'a, K, V>;
fn _clear(&self) {
self._retain(|_, _| false)
}
fn _contains_key<Q>(&'a self, key: &Q) -> bool
where
K: Borrow<Q>,
Q: Hash + Eq + ?Sized,
{
self._get(key).is_some()
}
fn _is_empty(&self) -> bool {
self._len() == 0
}
}