| // 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. |
| |
| |
| type an_int = isize; |
| |
| fn cmp(x: Option<an_int>, y: Option<isize>) -> bool { |
| x == y |
| } |
| |
| pub fn main() { |
| assert!(!cmp(Some(3), None)); |
| assert!(!cmp(Some(3), Some(4))); |
| assert!(cmp(Some(3), Some(3))); |
| assert!(cmp(None, None)); |
| } |