LL | Some(1).map(|n| in_loop(n));
| ^^^^^^^^^^^^^^ help: replace the closure with the function itself: `in_loop`
-error: aborting due to 19 previous errors
+error: redundant closure
+ --> $DIR/eta.rs:310:18
+ |
+LL | takes_fn_mut(|| f());
+ | ^^^^^^ help: replace the closure with the function itself: `&mut f`
+
+error: redundant closure
+ --> $DIR/eta.rs:313:19
+ |
+LL | takes_fn_once(|| f());
+ | ^^^^^^ help: replace the closure with the function itself: `&mut f`
+
+error: redundant closure
+ --> $DIR/eta.rs:317:26
+ |
+LL | move || takes_fn_mut(|| f_used_once())
+ | ^^^^^^^^^^^^^^^^ help: replace the closure with the function itself: `&mut f_used_once`
+
+error: aborting due to 22 previous errors