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1 | // Copyright 2012 The Rust Project Developers. See the COPYRIGHT |
2 | // file at the top-level directory of this distribution and at | |
3 | // http://rust-lang.org/COPYRIGHT. | |
4 | // | |
5 | // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or | |
6 | // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license | |
7 | // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your | |
8 | // option. This file may not be copied, modified, or distributed | |
9 | // except according to those terms. | |
10 | ||
223e47cc LB |
11 | enum noption<T> { some(T), } |
12 | ||
c34b1796 | 13 | struct Pair { x: isize, y: isize } |
223e47cc LB |
14 | |
15 | pub fn main() { | |
c34b1796 AL |
16 | let nop: noption<isize> = noption::some::<isize>(5); |
17 | match nop { noption::some::<isize>(n) => { println!("{}", n); assert!((n == 5)); } } | |
1a4d82fc | 18 | let nop2: noption<Pair> = noption::some(Pair{x: 17, y: 42}); |
223e47cc | 19 | match nop2 { |
1a4d82fc JJ |
20 | noption::some(t) => { |
21 | println!("{}", t.x); | |
22 | println!("{}", t.y); | |
970d7e83 LB |
23 | assert_eq!(t.x, 17); |
24 | assert_eq!(t.y, 42); | |
223e47cc LB |
25 | } |
26 | } | |
27 | } |