| // 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. |
| |
| // no-pretty-expanded FIXME #15189 |
| |
| #[cfg(feature = "use_core")] |
| extern crate core; |
| |
| #[macro_use] |
| extern crate derivative; |
| |
| #[derive(Derivative)] |
| #[derivative(PartialEq, Eq, PartialOrd, Ord)] |
| struct S<T> { |
| x: T, |
| y: T, |
| } |
| |
| pub fn main() { |
| let s1 = S { x: 1, y: 1 }; |
| let s2 = S { x: 1, y: 2 }; |
| |
| // in order for both PartialOrd and Ord |
| let ss = [s1, s2]; |
| |
| for (i, s1) in ss.iter().enumerate() { |
| for (j, s2) in ss.iter().enumerate() { |
| let ord = i.cmp(&j); |
| |
| let eq = i == j; |
| let lt = i < j; |
| let le = i <= j; |
| let gt = i > j; |
| let ge = i >= j; |
| |
| // PartialEq |
| assert_eq!(*s1 == *s2, eq); |
| assert_eq!(*s1 != *s2, !eq); |
| |
| // PartialOrd |
| assert_eq!(*s1 < *s2, lt); |
| assert_eq!(*s1 > *s2, gt); |
| |
| assert_eq!(*s1 <= *s2, le); |
| assert_eq!(*s1 >= *s2, ge); |
| |
| // Ord |
| assert_eq!(s1.cmp(s2), ord); |
| } |
| } |
| } |