| trait EnumSetType { | |
| type Repr; | |
| } | |
| enum Enum8 { } | |
| impl EnumSetType for Enum8 { | |
| type Repr = u8; | |
| } | |
| #[derive(PartialEq, Eq)] | |
| struct EnumSet<T: EnumSetType> { | |
| __enumset_underlying: T::Repr, | |
| } | |
| const CONST_SET: EnumSet<Enum8> = EnumSet { __enumset_underlying: 3 }; | |
| fn main() { | |
| match CONST_SET { | |
| CONST_SET => { /* ok */ } //~ERROR: must implement `PartialEq` | |
| _ => panic!("match fell through?"), | |
| } | |
| } |