Conversion between for_each and for-loop works worng for range expr #8367
Description
Conversion assists between for-loop and for_each are working well for normal iterable types, but it works wrong for range expr.
Example
- for-loop into for_each
// before
for _ in 0..10 {}
// after
0..10.for_each(|_| {}); // syntax error- for_each into for-loop
// before
(0..v.len()).for_each(|_| {});
// after
for _ in (0..v.len()) {} // warning by unnecessary parentheses