48 lines
1.1 KiB
Rust
48 lines
1.1 KiB
Rust
// Copyright 2015 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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#![feature(reflect_marker)]
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use std::any::TypeId;
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use std::marker::Reflect;
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use std::rc::Rc;
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type Fp<T> = Rc<T>;
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struct Engine;
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trait Component: 'static + Reflect {}
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impl Component for Engine {}
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trait Env {
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fn get_component_type_id(&self, type_id: TypeId) -> Option<Fp<Component>>;
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}
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impl<'a> Env+'a {
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fn get_component<T: Component>(&self) -> Option<Fp<T>> {
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let x = self.get_component_type_id(TypeId::of::<T>());
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None
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}
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}
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trait Figment {
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fn init(&mut self, env: &Env);
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}
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struct MyFigment;
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impl Figment for MyFigment {
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fn init(&mut self, env: &Env) {
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let engine = env.get_component::<Engine>();
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}
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}
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fn main() {}
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