And a few drive-bys

crates/rust-analyzer/src/config.rs

@@ -269,10 +269,8 @@ impl Config {
             {
                 self.client_caps.hierarchical_symbols = value
             }
-            if let Some(value) = doc_caps
-                .code_action
-                .as_ref()
-                .and_then(|it| Some(it.code_action_literal_support.is_some()))
+            if let Some(value) =
+                doc_caps.code_action.as_ref().map(|it| it.code_action_literal_support.is_some())
             {
                 self.client_caps.code_action_literals = value;
             }

crates/rust-analyzer/src/main_loop/handlers.rs

@@ -281,7 +281,7 @@ pub fn handle_document_symbol(
             kind: symbol.kind,
             deprecated: symbol.deprecated,
             location: Location::new(url.clone(), symbol.range),
-            container_name: container_name,
+            container_name,
         });
 
         for child in symbol.children.iter().flatten() {

crates/rust-analyzer/src/to_proto.rs

@@ -455,7 +455,7 @@ pub(crate) fn snippet_text_document_edit(
     let edits = source_file_edit
         .edit
         .into_iter()
-        .map(|it| snippet_text_edit(&line_index, line_endings, is_snippet, it.clone()))
+        .map(|it| snippet_text_edit(&line_index, line_endings, is_snippet, it))
         .collect();
     Ok(lsp_ext::SnippetTextDocumentEdit { text_document, edits })
 }