fix: Corrected assertion arguments
@@ -1577,7 +1577,7 @@ impl<'b> App<'b> {
// Name conflicts
assert!(
- self.two_args_of(|x| x.name == arg.name).is_none(),
+ self.two_args_of(|x| x.id == arg.id).is_none(),
"Argument names must be unique, but '{}' is in use by more than one argument or group",
arg.name,
);
