//@ run-pass #[non_exhaustive] pub enum NonExhaustiveEnum { Unit, Tuple(u32), Struct { field: u32 } } fn main() { let enum_unit = NonExhaustiveEnum::Unit; match enum_unit { NonExhaustiveEnum::Unit => "first", NonExhaustiveEnum::Tuple(_) => "second", NonExhaustiveEnum::Struct { .. } => "third", }; }