| //@ check-pass | |
| #![feature(rustc_private)] | |
| extern crate rustc_macros; | |
| extern crate rustc_serialize; | |
| extern crate rustc_span; | |
| // Necessary to pull in object code as the rest of the rustc crates are shipped only as rmeta | |
| // files. | |
| #[allow(unused_extern_crates)] | |
| extern crate rustc_driver; | |
| use rustc_macros::{Decodable, Encodable}; | |
| #[derive(Decodable, Encodable, Debug)] | |
| struct A { | |
| a: String, | |
| } | |
| trait Trait { | |
| fn encode(&self); | |
| } | |
| impl<T> Trait for T { | |
| fn encode(&self) { | |
| unimplemented!() | |
| } | |
| } | |
| fn main() {} |