| // Copyright 2013-2014 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. |
| |
| use std::cmp::Ordering::{Less,Equal,Greater}; |
| |
| #[derive(PartialEq, Eq, PartialOrd, Ord)] |
| struct A<'a> { |
| x: &'a isize |
| } |
| pub fn main() { |
| let (a, b) = (A { x: &1 }, A { x: &2 }); |
| |
| assert_eq!(a.cmp(&a), Equal); |
| assert_eq!(b.cmp(&b), Equal); |
| |
| assert_eq!(a.cmp(&b), Less); |
| assert_eq!(b.cmp(&a), Greater); |
| } |
