| // 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. |
| // |
| // Before the introduction of the "duplicate associated type" error, the |
| // program below used to result in the "ambiguous associated type" error E0223, |
| // which is unexpected. |
| |
| trait Foo { |
| type Bar; |
| } |
| |
| struct Baz; |
| |
| impl Foo for Baz { |
| type Bar = i16; |
| type Bar = u16; //~ ERROR duplicate associated type |
| } |
| |
| fn main() { |
| let x: Baz::Bar = 5; |
| } |
