| // Copyright 2018 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. |
| |
| // run-pass |
| // regression test for issue #50825 |
| // Check that the feature gate normalizes associated types. |
| |
| #![allow(dead_code)] |
| struct Foo<T>(T); |
| struct Duck; |
| struct Quack; |
| |
| trait Hello<A> where A: Animal { |
| } |
| |
| trait Animal { |
| type Noise; |
| } |
| |
| trait Loud<R> { |
| } |
| |
| impl Loud<Quack> for f32 { |
| } |
| |
| impl Animal for Duck { |
| type Noise = Quack; |
| } |
| |
| impl Hello<Duck> for Foo<f32> where f32: Loud<<Duck as Animal>::Noise> { |
| } |
| |
| fn main() {} |
