Replace once_cell::sync::OnceCell with std::sync::OnceLock

Author: xacrimon

Cargo.lock

@@ -27,7 +27,6 @@ hashbrown = { version = "0.15.2", default-features = false }
 serde = { version = "1.0.217", optional = true, features = ["derive"] }
 cfg-if = "1.0.0"
 rayon = { version = "1.10.0", optional = true }
-once_cell = "1.20.3"
 arbitrary = { version = "1.4.1", optional = true }
 crossbeam-utils = "0.8"
 typesize = { version = "0.1.11", default-features = false, optional = true }

Cargo.toml

@@ -41,10 +41,10 @@ use lock::{RwLockReadGuardDetached, RwLockWriteGuardDetached};
 pub use mapref::entry::{Entry, OccupiedEntry, VacantEntry};
 use mapref::multiple::RefMulti;
 use mapref::one::{Ref, RefMut};
-use once_cell::sync::OnceCell;
 pub use read_only::ReadOnlyView;
 pub use set::DashSet;
 use std::collections::hash_map::RandomState;
+use std::sync::OnceLock;
 use try_result::TryResult;
 
 pub(crate) type HashMap<K, V> = hash_table::HashTable<(K, V)>;
@@ -58,7 +58,7 @@ pub(crate) type HashMap<K, V> = hash_table::HashTable<(K, V)>;
 pub struct TryReserveError {}
 
 fn default_shard_amount() -> usize {
-    static DEFAULT_SHARD_AMOUNT: OnceCell<usize> = OnceCell::new();
+    static DEFAULT_SHARD_AMOUNT: OnceLock<usize> = OnceLock::new();
     *DEFAULT_SHARD_AMOUNT.get_or_init(|| {
         (std::thread::available_parallelism().map_or(1, usize::from) * 4).next_power_of_two()
     })