1 // run-pass 2 // pretty-expanded FIXME #23616 3 good(_a: &isize)4 fn good(_a: &isize) { 5 } 6 7 // unnamed argument &isize is now parse x: &isize 8 called<F>(_f: F) where F: FnOnce(&isize)9 fn called<F>(_f: F) where F: FnOnce(&isize) { 10 } 11 main()12 pub fn main() { 13 called(good); 14 } 15