3 #![allow(non_camel_case_types)]
6 // pretty-expanded FIXME #23616
8 enum colour { red, green, blue, }
10 enum tree { children(Box<list>), leaf(colour), }
12 enum list { cons(Box<tree>, Box<list>), nil, }
14 enum small_list { kons(isize, Box<small_list>), neel, }