2 It checks for `std::iter::Empty::default()` and suggests replacing it with
5 `std::iter::empty()` is the more idiomatic way.
8 let _ = std::iter::Empty::<usize>::default();
9 let iter: std::iter::Empty<usize> = std::iter::Empty::default();
13 let _ = std::iter::empty::<usize>();
14 let iter: std::iter::Empty<usize> = std::iter::empty();