| // Copyright 2013 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. |
| // |
| |
| |
| // Tests that we can call a function bounded over a supertrait from |
| // a default method |
| |
| fn require_y<T: Y>(x: T) -> isize { x.y() } |
| |
| trait Y { |
| fn y(self) -> isize; |
| } |
| |
| |
| trait Z: Y + Sized { |
| fn x(self) -> isize { |
| require_y(self) |
| } |
| } |
| |
| impl Y for isize { |
| fn y(self) -> isize { self } |
| } |
| |
| impl Z for isize {} |
| |
| pub fn main() { |
| assert_eq!(12.x(), 12); |
| } |
