| // 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. |
| |
| enum noption<T> { some(T), } |
| |
| struct Pair { x: isize, y: isize } |
| |
| pub fn main() { |
| let nop: noption<isize> = noption::some::<isize>(5); |
| match nop { noption::some::<isize>(n) => { println!("{}", n); assert_eq!(n, 5); } } |
| let nop2: noption<Pair> = noption::some(Pair{x: 17, y: 42}); |
| match nop2 { |
| noption::some(t) => { |
| println!("{}", t.x); |
| println!("{}", t.y); |
| assert_eq!(t.x, 17); |
| assert_eq!(t.y, 42); |
| } |
| } |
| } |
