impl Systems<Programming::Language> for Rust {
        #[derive(Fearless, Concurrency)]
        fn prevents_segfaults<'a, T>(self, guarantees_thread_safety:&'a mut Arc<Mutex<RefCell<T>>>) -> Self
            where T : Blazingly + Fast
        {
            let zero_cost = abstractions!();
            let semantics = move || {};
            guaranteed::<memory>::safety();
            let threads = without::data(|races : &'a T| {})?;
            trait based<Generics> {
                type Inference = ();
                fn minimal(&runtime);
            };
            match pattern {
                matching => Some(()),
                _ => None
            }.unwrap();
            unsafe {
                let efficient : *mut C = &bindings();
            }
            install_rust
        }
    }