| // 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(associated_type_defaults)] |
| |
| trait Foo<T: Default + ToString> { |
| type Out: Default + ToString = T; |
| } |
| |
| impl Foo<u32> for () { |
| } |
| |
| impl Foo<u64> for () { |
| type Out = bool; |
| } |
| |
| fn main() { |
| assert_eq!( |
| <() as Foo<u32>>::Out::default().to_string(), |
| "0"); |
| assert_eq!( |
| <() as Foo<u64>>::Out::default().to_string(), |
| "false"); |
| } |
