Add capacity() method to LinkedList, and bump version to 6.2.3

Author: awolverp

Cargo.lock

@@ -1,6 +1,6 @@
 [package]
 name = "cachebox"
-version = "6.2.2"
+version = "6.2.3"
 edition = "2021"
 description = "The fastest memoizing and caching Python library written in Rust"
 readme = "README.md"
@@ -26,22 +26,11 @@ allocator-api2 = "0.4.0"
 cfg-if = "1.0.4"
 chrono = "0.4.45"
 fastrand = "2.5.0"
-parking_lot = {
-    version = "0.12.5",
-    default-features = false,
-}
-pyo3 = {
-    version = "0.29.1",
-    default-features = false,
-    features = ["macros", "chrono"],
-}
+parking_lot = { version = "0.12.5", default-features = false }
+pyo3 = { version = "0.29.1", default-features = false, features = ["macros", "chrono"] }
 
 [build-dependencies]
-pyo3-build-config = {
-    version = "0.29.1",
-    default-features = false,
-    features = ["resolve-config"],
-}
+pyo3-build-config = { version = "0.29.1", default-features = false, features = ["resolve-config"] }
 
 [features]
 default = ["inline-more", "extension-module"]

Cargo.toml

@@ -314,18 +314,22 @@ impl<T> LinkedList<T> {
 
     /// Returns `true` if the list contains no elements.
     #[inline]
-    #[must_use]
     pub fn is_empty(&self) -> bool {
         self.len == 0
     }
 
     /// Returns the number of elements in the list.
     #[inline]
-    #[must_use]
     pub fn len(&self) -> usize {
         self.len
     }
 
+    /// Returns the number of elements in the list.
+    #[inline]
+    pub fn capacity(&self) -> usize {
+        self.len + self.free_len
+    }
+
     /// Removes all elements, dropping each element's value.
     #[inline]
     pub fn clear(&mut self) {

src/internal/linked_list.rs

@@ -173,7 +173,7 @@ impl PyLRUCache {
         let inner = self.0.get();
         let policy = inner.policy();
 
-        policy.table().capacity()
+        policy.table().capacity().max(policy.list().capacity())
     }
 
     /// Returns the number of entries currently in the cache.