| // check-pass | |
| #![feature(const_trait_impl)] | |
| #[const_trait] | |
| trait Tr { | |
| fn req(&self); | |
| fn default() {} | |
| } | |
| impl const Tr for u8 { | |
| fn req(&self) {} | |
| } | |
| macro_rules! impl_tr { | |
| ($ty: ty) => { | |
| impl const Tr for $ty { | |
| fn req(&self) {} | |
| } | |
| } | |
| } | |
| impl_tr!(u64); | |
| fn main() {} |