| // Copyright 2012 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::Eq; |
| |
| trait MyNum : Eq { } |
| |
| struct MyInt { val: int } |
| |
| impl Eq for MyInt { |
| fn eq(&self, other: &MyInt) -> bool { self.val == other.val } |
| fn ne(&self, other: &MyInt) -> bool { !self.eq(other) } |
| } |
| |
| impl MyNum for MyInt {} |
| |
| fn f<T:MyNum>(x: T, y: T) -> bool { |
| return x == y; |
| } |
| |
| fn mi(v: int) -> MyInt { MyInt { val: v } } |
| |
| pub fn main() { |
| let (x, y, z) = (mi(3), mi(5), mi(3)); |
| assert!(x != y); |
| assert_eq!(x, z); |
| } |
