code cleaning

src/indexer/index_writer.rs

@@ -522,7 +522,7 @@ impl IndexWriter {
         //
         // This will reach an end as the only document_sender
         // was dropped with the index_writer.
-        for _ in document_receiver.clone() {}
+        for _ in document_receiver.iter() {}
 
         Ok(())
     }
@@ -553,7 +553,7 @@ impl IndexWriter {
         self.prepare_commit_internal(false)
     }
 
-    pub(crate) fn prepare_commit_soft(&mut self) -> Result<PreparedCommit> {
+    pub fn prepare_commit_soft(&mut self) -> Result<PreparedCommit> {
         info!("Preparing soft commit");
         self.prepare_commit_internal(true)
     }

src/indexer/segment_manager.rs

@@ -154,7 +154,7 @@ impl SegmentManager {
                 // TODO make sure we use `committed_in_the_future` segments,
                 // when we `commit`, to avoid replaying deletes several times.
 
-            } else if let Some(uncommitted_segment) = registers_lock.uncommitted.get(&segment_id) {
+            } else if registers_lock.uncommitted.get(&segment_id).is_some() {
                 // This will override our previous entry.
                 registers_lock.uncommitted.register_segment_entry(segment_entry);
             }