diff options
| -rw-r--r-- | src/test/ui/deriving/deriving-default-enum.rs | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/test/ui/deriving/deriving-default-enum.rs b/src/test/ui/deriving/deriving-default-enum.rs index d1a81c72c2f..1c7a501edc7 100644 --- a/src/test/ui/deriving/deriving-default-enum.rs +++ b/src/test/ui/deriving/deriving-default-enum.rs @@ -12,6 +12,16 @@ enum Foo { Beta(NotDefault), } +// #[default] on a generic enum does not add `Default` bounds to the type params. +#[derive(Default)] +enum MyOption<T> { + #[default] + None, + #[allow(dead_code)] + Some(T), +} + fn main() { assert_eq!(Foo::default(), Foo::Alpha); + assert!(matches!(MyOption::<NotDefault>::default(), MyOption::None)); } |