Make minor improvements and cleanups

Author: noritada

xtask/src/publish.rs

@@ -16,9 +16,9 @@ impl flags::PublishReleaseNotes {
             format!("\nSee also [original changelog]({original_changelog_url}).");
         markdown.push_str(&additional_paragraph);
         if self.dry_run {
-            println!("{}", markdown);
+            println!("{markdown}");
         } else {
-            update_release(sh, &tag_name, &markdown)?;
+            update_release(sh, tag_name, &markdown)?;
         }
         Ok(())
     }
@@ -67,7 +67,7 @@ fn update_release(sh: &Shell, tag_name: &str, release_notes: &str) -> Result<()>
         Err(_) => bail!("Please obtain a personal access token from https://github.com/settings/tokens and set the `GITHUB_TOKEN` environment variable."),
     };
     let accept = "Accept: application/vnd.github+json";
-    let authorization = format!("Authorization: Bearer {}", token);
+    let authorization = format!("Authorization: Bearer {token}");
     let api_version = "X-GitHub-Api-Version: 2022-11-28";
     let release_url = "https://api.github.com/repos/rust-lang/rust-analyzer/releases";
 
@@ -80,10 +80,10 @@ fn update_release(sh: &Shell, tag_name: &str, release_notes: &str) -> Result<()>
 
     let mut patch = String::new();
     write_json::object(&mut patch)
-        .string("tag_name", &tag_name)
+        .string("tag_name", tag_name)
         .string("target_commitish", "master")
-        .string("name", &tag_name)
-        .string("body", &release_notes)
+        .string("name", tag_name)
+        .string("body", release_notes)
         .bool("draft", false)
         .bool("prerelease", false);
     let _ = cmd!(
@@ -102,7 +102,7 @@ mod tests {
     #[test]
     fn original_changelog_url_creation() {
         let input = "2019-07-24-changelog-0.adoc";
-        let actual = create_original_changelog_url(&input);
+        let actual = create_original_changelog_url(input);
         let expected = "https://rust-analyzer.github.io/thisweek/2019/07/24/changelog-0.html";
         assert_eq!(actual, expected);
     }

xtask/src/publish/notes.rs

@@ -5,9 +5,9 @@ use std::{
     iter::Peekable,
 };
 
-const LISTING_DELIMITER: &'static str = "----";
-const IMAGE_BLOCK_PREFIX: &'static str = "image::";
-const VIDEO_BLOCK_PREFIX: &'static str = "video::";
+const LISTING_DELIMITER: &str = "----";
+const IMAGE_BLOCK_PREFIX: &str = "image::";
+const VIDEO_BLOCK_PREFIX: &str = "video::";
 
 struct Converter<'a, 'b, R: BufRead> {
     iter: &'a mut Peekable<Lines<R>>,
@@ -89,7 +89,7 @@ impl<'a, 'b, R: BufRead> Converter<'a, 'b, R> {
         while let Some(line) = self.iter.peek() {
             let line = line.as_deref().map_err(|e| anyhow!("{e}"))?;
 
-            if get_list_item(&line).is_some() {
+            if get_list_item(line).is_some() {
                 let line = self.iter.next().unwrap()?;
                 let line = process_inline_macros(&line)?;
                 let (marker, item) = get_list_item(&line).unwrap();
@@ -253,17 +253,16 @@ impl<'a, 'b, R: BufRead> Converter<'a, 'b, R> {
     {
         while let Some(line) = self.iter.peek() {
             let line = line.as_deref().map_err(|e| anyhow!("{e}"))?;
-            if predicate(&line) {
+            if predicate(line) {
                 break;
             }
 
             self.write_indent(level);
             let line = self.iter.next().unwrap()?;
             let line = line.trim_start();
-            let line = process_inline_macros(&line)?;
-            if line.ends_with('+') {
-                let line = &line[..(line.len() - 1)];
-                self.output.push_str(line);
+            let line = process_inline_macros(line)?;
+            if let Some(stripped) = line.strip_suffix('+') {
+                self.output.push_str(stripped);
                 self.output.push('\\');
             } else {
                 self.output.push_str(&line);
@@ -339,8 +338,8 @@ fn get_title(line: &str) -> Option<(usize, &str)> {
 }
 
 fn get_list_item(line: &str) -> Option<(ListMarker, &str)> {
-    const HYPHYEN_MARKER: &'static str = "- ";
-    if let Some(text) = line.strip_prefix(HYPHYEN_MARKER) {
+    const HYPHEN_MARKER: &str = "- ";
+    if let Some(text) = line.strip_prefix(HYPHEN_MARKER) {
         Some((ListMarker::Hyphen, text))
     } else if let Some((count, text)) = strip_prefix_symbol(line, '*') {
         Some((ListMarker::Asterisk(count), text))