Fix nightly clippy lints (#4954)

Author: tshepang

helix-term/src/commands.rs

@@ -2346,8 +2346,8 @@ fn buffer_picker(cx: &mut Context) {
     let picker = FilePicker::new(
         cx.editor
             .documents
-            .iter()
-            .map(|(_, doc)| new_meta(doc))
+            .values()
+            .map(|doc| new_meta(doc))
             .collect(),
         (),
         |cx, meta, action| {

helix-term/src/commands/lsp.rs

@@ -706,7 +706,7 @@ pub fn apply_document_resource_op(op: &lsp::ResourceOp) -> std::io::Result<()> {
             if ignore_if_exists && to.exists() {
                 Ok(())
             } else {
-                fs::rename(&from, &to)
+                fs::rename(from, &to)
             }
         }
     }

helix-term/src/health.rs

@@ -281,7 +281,7 @@ fn probe_protocol(protocol_name: &str, server_cmd: Option<String>) -> std::io::R
     writeln!(stdout, "Configured {}: {}", protocol_name, cmd_name)?;
 
     if let Some(cmd) = server_cmd {
-        let path = match which::which(&cmd) {
+        let path = match which::which(cmd) {
             Ok(path) => path.display().to_string().green(),
             Err(_) => "Not found in $PATH".to_string().red(),
         };

helix-term/src/keymap.rs

@@ -390,18 +390,18 @@ impl Keymaps {
 
         self.state.push(key);
         match trie.search(&self.state[1..]) {
-            Some(&KeyTrie::Node(ref map)) => {
+            Some(KeyTrie::Node(map)) => {
                 if map.is_sticky {
                     self.state.clear();
                     self.sticky = Some(map.clone());
                 }
                 KeymapResult::Pending(map.clone())
             }
-            Some(&KeyTrie::Leaf(ref cmd)) => {
+            Some(KeyTrie::Leaf(cmd)) => {
                 self.state.clear();
                 KeymapResult::Matched(cmd.clone())
             }
-            Some(&KeyTrie::Sequence(ref cmds)) => {
+            Some(KeyTrie::Sequence(cmds)) => {
                 self.state.clear();
                 KeymapResult::MatchedSequence(cmds.clone())
             }

helix-term/src/ui/editor.rs

@@ -516,8 +516,8 @@ impl EditorView {
                     use helix_core::graphemes::{grapheme_width, RopeGraphemes};
 
                     for grapheme in RopeGraphemes::new(text) {
-                        let out_of_bounds = offset.col > (visual_x as usize)
-                            || (visual_x as usize) >= viewport.width as usize + offset.col;
+                        let out_of_bounds = offset.col > visual_x
+                            || visual_x >= viewport.width as usize + offset.col;
 
                         if LineEnding::from_rope_slice(&grapheme).is_some() {
                             if !out_of_bounds {
@@ -547,7 +547,7 @@ impl EditorView {
                             let (display_grapheme, width) = if grapheme == "\t" {
                                 is_whitespace = true;
                                 // make sure we display tab as appropriate amount of spaces
-                                let visual_tab_width = tab_width - (visual_x as usize % tab_width);
+                                let visual_tab_width = tab_width - (visual_x % tab_width);
                                 let grapheme_tab_width =
                                     helix_core::str_utils::char_to_byte_idx(&tab, visual_tab_width);
 
@@ -566,7 +566,7 @@ impl EditorView {
                                 (grapheme.as_ref(), width)
                             };
 
-                            let cut_off_start = offset.col.saturating_sub(visual_x as usize);
+                            let cut_off_start = offset.col.saturating_sub(visual_x);
 
                             if !out_of_bounds {
                                 // if we're offscreen just keep going until we hit a new line
@@ -583,7 +583,7 @@ impl EditorView {
                             } else if cut_off_start != 0 && cut_off_start < width {
                                 // partially on screen
                                 let rect = Rect::new(
-                                    viewport.x as u16,
+                                    viewport.x,
                                     viewport.y + line,
                                     (width - cut_off_start) as u16,
                                     1,

helix-term/src/ui/mod.rs

@@ -254,8 +254,8 @@ pub mod completers {
     pub fn buffer(editor: &Editor, input: &str) -> Vec<Completion> {
         let mut names: Vec<_> = editor
             .documents
-            .iter()
-            .map(|(_id, doc)| {
+            .values()
+            .map(|doc| {
                 let name = doc
                     .relative_path()
                     .map(|p| p.display().to_string())