Some clippy minor fixes (#722)

src/collector/facet_collector.rs

@@ -126,7 +126,7 @@ fn facet_depth(facet_bytes: &[u8]) -> usize {
 ///     let searcher = reader.searcher();
 ///
 ///     {
-///			let mut facet_collector = FacetCollector::for_field(facet);
+///         let mut facet_collector = FacetCollector::for_field(facet);
 ///         facet_collector.add_facet("/lang");
 ///         facet_collector.add_facet("/category");
 ///         let facet_counts = searcher.search(&AllQuery, &facet_collector)?;
@@ -142,7 +142,7 @@ fn facet_depth(facet_bytes: &[u8]) -> usize {
 ///     }
 ///
 ///     {
-///			let mut facet_collector = FacetCollector::for_field(facet);
+///         let mut facet_collector = FacetCollector::for_field(facet);
 ///         facet_collector.add_facet("/category/fiction");
 ///         let facet_counts = searcher.search(&AllQuery, &facet_collector)?;
 ///
@@ -157,8 +157,8 @@ fn facet_depth(facet_bytes: &[u8]) -> usize {
 ///         ]);
 ///     }
 ///
-///    {
-///			let mut facet_collector = FacetCollector::for_field(facet);
+///     {
+///         let mut facet_collector = FacetCollector::for_field(facet);
 ///         facet_collector.add_facet("/category/fiction");
 ///         let facet_counts = searcher.search(&AllQuery, &facet_collector)?;
 ///

src/indexer/delete_queue.rs

@@ -43,14 +43,14 @@ impl DeleteQueue {
             // try get the last block with simply acquiring the read lock.
             let rlock = self.inner.read().unwrap();
             if let Some(block) = rlock.last_block.upgrade() {
-                return block.clone();
+                return block;
             }
         }
         // It failed. Let's double check after acquiring the write, as someone could have called
         // `get_last_block` right after we released the rlock.
         let mut wlock = self.inner.write().unwrap();
         if let Some(block) = wlock.last_block.upgrade() {
-            return block.clone();
+            return block;
         }
         let block = Arc::new(Block {
             operations: Arc::default(),

src/macros.rs

@@ -35,9 +35,9 @@
 /// let likes = schema_builder.add_u64_field("num_u64", FAST);
 /// let schema = schema_builder.build();
 /// let doc = doc!(
-/// 	title => "Life Aquatic",
-/// 	author => "Wes Anderson",
-/// 	likes => 4u64
+///     title => "Life Aquatic",
+///     author => "Wes Anderson",
+///     likes => 4u64
 /// );
 /// # }
 /// ```