Fix cargo clippy lint warnings

Author: ekkolon

minikv-core/src/rebuild.rs

@@ -6,7 +6,7 @@
 //!
 //! The rebuild process is fully deterministic with respect to:
 //! - key decoding
-//! - volume selection (`key2volume`)
+//! - volume selection (`key_to_volume`)
 //! - replica ordering
 //!
 //! It does not recover hash or content-type metadata, as that information
@@ -21,7 +21,7 @@
 //! 3. For each file entry:
 //!    - Base64-decode the filename to obtain the raw key.
 //!    - Merge the current volume into the key's record.
-//!    - Reorder volumes according to `key2volume`, preserving unknown
+//!    - Reorder volumes according to `key_to_volume`, preserving unknown
 //!      volumes at the end.
 //! 4. Write the reconstructed record with:
 //!    - `deleted = No`
@@ -99,7 +99,7 @@ fn is_subvolume_dir(entry: &AutoindexEntry) -> bool {
 ///
 /// - Decodes the filename into raw key bytes.
 /// - Acquires a per-key lock to prevent concurrent modification.
-/// - Computes the ideal replica ordering via `key2volume`.
+/// - Computes the ideal replica ordering via `key_to_volume`.
 /// - Merges the current volume into the existing record.
 /// - Reorders volumes deterministically.
 /// - Writes a reconstructed `Record`.
@@ -255,7 +255,7 @@ pub async fn rebuild_all(state: Arc<AppState>) {
         };
 
         // Check if volume uses subvolume directories.
-        let has_subvolumes = top_listing.iter().any(|e| is_subvolume_dir(e));
+        let has_subvolumes = top_listing.iter().any(is_subvolume_dir);
 
         if has_subvolumes {
             for sv in top_listing.iter().filter(|e| is_subvolume_dir(e)) {