Skip to content
Branch: master
Find file Copy path
Find file Copy path
Fetching contributors…
Cannot retrieve contributors at this time
38 lines (28 sloc) 723 Bytes
// build-pass (FIXME(62277): could be check-pass?)
use std::any::TypeId;
use std::rc::Rc;
type Fp<T> = Rc<T>;
struct Engine;
trait Component: 'static {}
impl Component for Engine {}
trait Env {
fn get_component_type_id(&self, type_id: TypeId) -> Option<Fp<dyn Component>>;
impl<'a> dyn Env + 'a {
fn get_component<T: Component>(&self) -> Option<Fp<T>> {
let x = self.get_component_type_id(TypeId::of::<T>());
trait Figment {
fn init(&mut self, env: &dyn Env);
struct MyFigment;
impl Figment for MyFigment {
fn init(&mut self, env: &dyn Env) {
let engine = env.get_component::<Engine>();
fn main() {}
You can’t perform that action at this time.