| // 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. |
| |
| #![feature(managed_boxes)] |
| |
| use std::gc::{Gc, GC}; |
| |
| struct Triple { x: int, y: int, z: int } |
| |
| fn test(x: bool, foo: Gc<Triple>) -> int { |
| let bar = foo; |
| let mut y: Gc<Triple>; |
| y = bar; |
| if x { y = bar; } else { y = box(GC) Triple{x: 4, y: 5, z: 6}; } |
| return y.y; |
| } |
| |
| pub fn main() { |
| let x = box(GC) Triple {x: 1, y: 2, z: 3}; |
| assert_eq!(test(true, x), 2); |
| assert_eq!(test(true, x), 2); |
| assert_eq!(test(true, x), 2); |
| assert_eq!(test(false, x), 5); |
| } |
