#![allow(dead_code)] #![derive(Debug, PartialEq, Eq)] // should be an outer attribute! //~^ ERROR `derive` may only be applied to structs, enums and unions //~| ERROR cannot determine resolution for the derive macro `Debug` //~| ERROR cannot determine resolution for the derive macro `PartialEq` //~| ERROR cannot determine resolution for the derive macro `Eq` struct DerivedOn; fn main() {}