| // 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_consts)] |
| |
| struct MyType; |
| |
| impl MyType { |
| const IMPL_IS_INHERENT: bool = true; |
| } |
| |
| trait MyTrait { |
| const IMPL_IS_INHERENT: bool; |
| const IMPL_IS_ON_TRAIT: bool; |
| } |
| |
| impl MyTrait for MyType { |
| const IMPL_IS_INHERENT: bool = false; |
| const IMPL_IS_ON_TRAIT: bool = true; |
| } |
| |
| fn main() { |
| // Check that the inherent impl is used before the trait, but that the trait |
| // can still be accessed. |
| assert!(<MyType>::IMPL_IS_INHERENT); |
| assert!(!<MyType as MyTrait>::IMPL_IS_INHERENT); |
| assert!(<MyType>::IMPL_IS_ON_TRAIT); |
| } |