Add `Copy` derive to `PromptEvent`

helix-term/src/commands.rs

@@ -1024,12 +1024,12 @@ mod cmd {
     }
 
     fn write_quit(editor: &mut Editor, args: &[&str], event: PromptEvent) {
-        write(editor, args, event.clone());
+        write(editor, args, event);
         quit(editor, &[], event);
     }
 
     fn force_write_quit(editor: &mut Editor, args: &[&str], event: PromptEvent) {
-        write(editor, args, event.clone());
+        write(editor, args, event);
         force_quit(editor, &[], event);
     }
 

helix-term/src/ui/prompt.rs

@@ -18,7 +18,7 @@ pub struct Prompt {
     pub doc_fn: Box<dyn Fn(&str) -> Option<&'static str>>,
 }
 
-#[derive(Clone, PartialEq)]
+#[derive(Clone, Copy, PartialEq)]
 pub enum PromptEvent {
     /// The prompt input has been updated.
     Update,