Use the bucket API from hashbrown v0.16.1

Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 name = "ringmap"
 edition = "2021"
-version = "0.2.0"
+version = "0.2.1"
 documentation = "https://docs.rs/ringmap/"
 repository = "https://github.com/indexmap-rs/ringmap"
 license = "Apache-2.0 OR MIT"
@@ -15,6 +15,7 @@ bench = false
 
 [dependencies]
 equivalent = { version = "1.0", default-features = false }
+hashbrown = { version = "0.16.1", default-features = false }
 
 arbitrary = { version = "1.0", optional = true, default-features = false }
 quickcheck = { version = "1.0", optional = true, default-features = false }
@@ -23,10 +24,6 @@ borsh = { version = "1.2", optional = true, default-features = false }
 rayon = { version = "1.9", optional = true }
 sval = { version = "2", optional = true, default-features = false }
 
-[dependencies.hashbrown]
-version = "0.16.0"
-default-features = false
-
 # serde v1.0.220 is the first version that released with `serde_core`.
 # This is required to avoid conflict with other `serde` users which may require an older version.
 [target.'cfg(any())'.dependencies]

RELEASES.md

@@ -1,5 +1,9 @@
 # Releases
 
+## 0.2.1 (2025-11-20)
+
+- Simplified a lot of internals using `hashbrown`'s new bucket API.
+
 ## 0.2.0 (2025-10-18)
 
 - **MSRV**: Rust 1.82.0 or later is now required.

src/map.rs

@@ -760,7 +760,7 @@ where
     /// Computes in **O(1)** time (amortized average).
     pub fn entry(&mut self, key: K) -> Entry<'_, K, V> {
         let hash = self.hash(&key);
-        self.core.entry(hash, key)
+        Entry::new(&mut self.core, hash, key)
     }
 
     /// Creates a splicing iterator that replaces the specified range in the map
@@ -1564,10 +1564,7 @@ impl<K, V, S> RingMap<K, V, S> {
     ///
     /// Computes in **O(1)** time.
     pub fn get_index_entry(&mut self, index: usize) -> Option<IndexedEntry<'_, K, V>> {
-        if index >= self.len() {
-            return None;
-        }
-        Some(IndexedEntry::new(&mut self.core, index))
+        IndexedEntry::new(&mut self.core, index)
     }
 
     /// Get an array of `N` key-value pairs by `N` indices