| // Copyright 2014 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. |
| |
| // Test equality constraints on associated types inside of an object type |
| |
| // pretty-expanded FIXME #23616 |
| |
| pub trait Foo { |
| type A; |
| fn boo(&self) -> <Self as Foo>::A; |
| } |
| |
| pub struct Bar; |
| |
| impl Foo for char { |
| type A = Bar; |
| fn boo(&self) -> Bar { Bar } |
| } |
| |
| fn baz(x: &Foo<A=Bar>) -> Bar { |
| x.boo() |
| } |
| |
| pub fn main() { |
| let a = 'a'; |
| baz(&a); |
| } |
