| // 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. |
| |
| trait A { |
| type Output; |
| fn a(&self) -> <Self as A>::X; |
| //~^ ERROR: use of undeclared associated type `A::X` |
| } |
| |
| impl A for u32 { |
| type Output = u32; |
| fn a(&self) -> u32 { |
| 0 |
| } |
| } |
| |
| fn main() { |
| let a: u32 = 0; |
| let b: u32 = a.a(); |
| } |
