Fix clippy warnings.

helix-core/src/line_ending.rs

@@ -132,19 +132,19 @@ pub fn get_line_ending(line: &RopeSlice) -> Option<LineEnding> {
 pub fn get_line_ending_of_str(line: &str) -> Option<LineEnding> {
     if line.ends_with("\u{000D}\u{000A}") {
         Some(LineEnding::Crlf)
-    } else if line.ends_with("\u{000A}") {
+    } else if line.ends_with('\u{000A}') {
         Some(LineEnding::LF)
-    } else if line.ends_with("\u{000B}") {
+    } else if line.ends_with('\u{000B}') {
         Some(LineEnding::VT)
-    } else if line.ends_with("\u{000C}") {
+    } else if line.ends_with('\u{000C}') {
         Some(LineEnding::FF)
-    } else if line.ends_with("\u{000D}") {
+    } else if line.ends_with('\u{000D}') {
         Some(LineEnding::CR)
-    } else if line.ends_with("\u{0085}") {
+    } else if line.ends_with('\u{0085}') {
         Some(LineEnding::Nel)
-    } else if line.ends_with("\u{2028}") {
+    } else if line.ends_with('\u{2028}') {
         Some(LineEnding::LS)
-    } else if line.ends_with("\u{2029}") {
+    } else if line.ends_with('\u{2029}') {
         Some(LineEnding::PS)
     } else {
         None

helix-term/src/commands.rs

@@ -1304,7 +1304,10 @@ mod cmd {
 
     fn yank_joined_to_clipboard(editor: &mut Editor, args: &[&str], _: PromptEvent) {
         let (_, doc) = current!(editor);
-        let separator = args.first().copied().unwrap_or(doc.line_ending.as_str());
+        let separator = args
+            .first()
+            .copied()
+            .unwrap_or_else(|| doc.line_ending.as_str());
         yank_joined_to_clipboard_impl(editor, separator);
     }