src/test/ui/deriving/deriving-default-enum.rs

   1 // run-pass
   2
   3 // nb: does not impl Default
   4 #[derive(Debug, PartialEq)]
   5 struct NotDefault;
   6
   7 #[derive(Debug, Default, PartialEq)]
   8 enum Foo {
   9     #[default]
  10     Alpha,
  11     #[allow(dead_code)]
  12     Beta(NotDefault),
  13 }
  14
  15 fn main() {
  16     assert_eq!(Foo::default(), Foo::Alpha);
  17 }