| #![feature(lang_items)] | |
| #[lang = "sized"] | |
| pub trait Sized {} | |
| #[lang = "copy"] | |
| pub trait Copy {} | |
| #[lang = "clone"] | |
| pub trait Clone { | |
| fn clone(&self) -> Self; | |
| } | |
| #[lang = "phantom_data"] | |
| pub struct PhantomData<T>; | |
| impl Copy for i32 {} | |
| impl Copy for i64 {} | |
| impl Copy for U {} | |
| #[derive(Clone)] | |
| union U { | |
| i: i32, | |
| f: f64, | |
| } |