error: to use a constant of type `NoDerive` in a pattern, `NoDerive` must be annotated with `#[derive(PartialEq, Eq)]` --> $DIR/cant-hide-behind-direct-struct-param.rs:22:9 | LL | WRAP_DIRECT_PARAM => { panic!("WRAP_DIRECT_PARAM matched itself"); } | ^^^^^^^^^^^^^^^^^ error: aborting due to previous error