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| -rw-r--r-- | src/test/run-pass/issue-19404.rs | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/src/test/run-pass/issue-19404.rs b/src/test/run-pass/issue-19404.rs new file mode 100644 index 00000000000..0eea6ba22ca --- /dev/null +++ b/src/test/run-pass/issue-19404.rs @@ -0,0 +1,47 @@ +// Copyright 2015 The Rust Project Developers. See the COPYRIGHT +// file at the top-level directory of this distribution and at +// http://rust-lang.org/COPYRIGHT. +// +// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or +// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license +// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +#![feature(reflect_marker)] + +use std::any::TypeId; +use std::marker::Reflect; +use std::rc::Rc; + +type Fp<T> = Rc<T>; + +struct Engine; + +trait Component: 'static + Reflect {} +impl Component for Engine {} + +trait Env { + fn get_component_type_id(&self, type_id: TypeId) -> Option<Fp<Component>>; +} + +impl<'a> Env+'a { + fn get_component<T: Component>(&self) -> Option<Fp<T>> { + let x = self.get_component_type_id(TypeId::of::<T>()); + None + } +} + +trait Figment { + fn init(&mut self, env: &Env); +} + +struct MyFigment; + +impl Figment for MyFigment { + fn init(&mut self, env: &Env) { + let engine = env.get_component::<Engine>(); + } +} + +fn main() {} |
