Merge pull request #3 from qezz/fix-clippy

Fix clippy warnings

Author: qezz

zee-grammar/src/builder.rs

@@ -38,7 +38,7 @@ pub(crate) fn load_grammar(grammar_id: String) -> Result<Grammar> {
 
 fn load_query(language: Language, grammar_id: &str, name: &str) -> Result<Query> {
     let query_path = tree_sitter_query_dir(grammar_id)
-        .map(|path| path.join(&format!("{}.scm", name)))
+        .map(|path| path.join(format!("{}.scm", name)))
         .with_context(|| {
             format!(
                 "Failed to build path to query grammar_id={} name={}",
@@ -212,7 +212,7 @@ fn build_tree_sitter_library(grammar_id: &str, paths: &TreeSitterPaths) -> Resul
     if cfg!(windows) {
         command.arg(&paths.parser);
         if let Some(TreeSitterScannerSource { ref path, .. }) = paths.scanner {
-            command.arg(&path);
+            command.arg(path);
         }
         command.arg(format!("/out:{}", library_path.to_str().unwrap()));
     } else {
@@ -323,7 +323,7 @@ impl TreeSitterPaths {
 fn tree_sitter_source_dir(grammar_id: &str) -> Result<PathBuf> {
     Ok(config::config_dir()?
         .join(BUILD_DIR)
-        .join(&format!("tree-sitter-{}", grammar_id)))
+        .join(format!("tree-sitter-{}", grammar_id)))
 }
 
 fn tree_sitter_query_dir(grammar_id: &str) -> Result<PathBuf> {

zee/src/components/buffer/line_info.rs

@@ -49,7 +49,7 @@ impl Component for LineInfo {
         for line_index in 0..frame.size.height {
             canvas.draw_str(
                 0,
-                line_index as usize,
+                line_index,
                 style,
                 if line_offset + line_index < num_lines {
                     " "

zee/src/components/edit_tree_viewer.rs

@@ -124,7 +124,7 @@ impl Component for EditTreeViewer {
             }
             let mut pairs = revision.children.windows(2);
 
-            while let Some(&[ref left, ref right]) = pairs.next() {
+            while let Some([left, right]) = pairs.next() {
                 let formatted_left = &formatted_tree[left.index];
                 let formatted_right = &formatted_tree[right.index];
                 assert!(formatted_left.transform.y == formatted_right.transform.y);

zee/src/components/prompt/buffers.rs

@@ -216,7 +216,7 @@ impl Component for BufferPicker {
                                 .path
                                 .as_ref()
                                 .map(|entry| format!("    {}", entry.display()))
-                                .unwrap_or_else(String::new),
+                                .unwrap_or_default(),
                         )
                         .style(Style::normal(background, theme.file_size)),
                 ),

zee/src/components/prompt/picker.rs

@@ -404,7 +404,7 @@ where
         listing.reset(
             files_iter(path_str.clone())?.take(MAX_FILES_IN_PICKER),
             &path_str,
-            &prefix,
+            prefix,
         );
     } else {
         listing.set_filter(&path_str)

zee/src/components/prompt/status.rs

@@ -67,7 +67,7 @@ impl Component for Status {
         };
         Text::with(
             TextProperties::new()
-                .content(action_name.to_owned())
+                .content(action_name.clone())
                 .style(style),
         )
     }

zee/src/editor/buffer.rs

@@ -252,7 +252,7 @@ impl Buffer {
     pub fn new_cursor(&mut self) -> CursorId {
         let new_cursor_id = CursorId(self.cursors.len());
         self.cursors
-            .push(self.cursors.get(0).cloned().unwrap_or_else(Cursor::new));
+            .push(self.cursors.first().cloned().unwrap_or_else(Cursor::new));
         new_cursor_id
     }
 

zee/src/editor/mod.rs

@@ -476,7 +476,7 @@ impl Component for Editor {
                 Some(NamedBindingQuery::PrefixOf(mut lhs)),
                 Some(NamedBindingQuery::PrefixOf(rhs)),
             ) => {
-                lhs.extend(rhs.into_iter());
+                lhs.extend(rhs);
                 Some(NamedBindingQuery::PrefixOf(lhs))
             }
             (some @ Some(_), None) | (None, some @ Some(_)) => some,