| // Copyright 2016 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. |
| |
| use std::marker::PhantomData; |
| |
| struct TheType<T> { |
| t: PhantomData<T> |
| } |
| |
| pub trait TheTrait { |
| type TheAssociatedType; |
| } |
| |
| impl TheTrait for () { |
| type TheAssociatedType = (); |
| } |
| |
| pub trait Shape<P: TheTrait> { |
| fn doit(&self) { |
| } |
| } |
| |
| impl<P: TheTrait> Shape<P> for TheType<P::TheAssociatedType> { |
| } |
| |
| fn main() { |
| let ball = TheType { t: PhantomData }; |
| let handle: &Shape<()> = &ball; |
| } |
