Fix unused `Result` warnings in helix-term.

helix-term/src/application.rs

@@ -447,17 +447,20 @@ impl Application {
         // Exit the alternate screen and disable raw mode before panicking
         let hook = std::panic::take_hook();
         std::panic::set_hook(Box::new(move |info| {
-            execute!(std::io::stdout(), terminal::LeaveAlternateScreen);
-            terminal::disable_raw_mode();
+            // We can't handle errors properly inside this closure.  And it's
+            // probably not a good idea to `unwrap()` inside a panic handler.
+            // So we just ignore the `Result`s.
+            let _ = execute!(std::io::stdout(), terminal::LeaveAlternateScreen);
+            let _ = terminal::disable_raw_mode();
             hook(info);
         }));
 
         self.event_loop().await;
 
-        self.editor.close_language_servers(None).await;
+        self.editor.close_language_servers(None).await?;
 
         // reset cursor shape
-        write!(stdout, "\x1B[2 q");
+        write!(stdout, "\x1B[2 q")?;
 
         execute!(stdout, terminal::LeaveAlternateScreen)?;
 

helix-term/src/commands.rs

@@ -1135,7 +1135,7 @@ mod cmd {
         match args.get(0) {
             Some(path) => {
                 // TODO: handle error
-                cx.editor.open(path.into(), Action::Replace);
+                let _ = cx.editor.open(path.into(), Action::Replace);
             }
             None => {
                 cx.editor.set_error("wrong argument count".to_string());
@@ -1367,7 +1367,9 @@ mod cmd {
                 errors.push_str("cannot write a buffer without a filename\n");
                 continue;
             }
-            helix_lsp::block_on(tokio::spawn(doc.save()));
+
+            // TODO: handle error.
+            let _ = helix_lsp::block_on(tokio::spawn(doc.save()));
         }
         editor.set_error(errors);
 

helix-term/src/compositor.rs

@@ -141,7 +141,7 @@ impl Compositor {
         let (pos, kind) = self.cursor(area, cx.editor);
         let pos = pos.map(|pos| (pos.col as u16, pos.row as u16));
 
-        self.terminal.draw(pos, kind);
+        self.terminal.draw(pos, kind).unwrap();
     }
 
     pub fn cursor(&self, area: Rect, editor: &Editor) -> (Option<Position>, CursorKind) {