31 lines
891 B
Rust
31 lines
891 B
Rust
// 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::cell::Cell;
|
|
|
|
struct Point {x: int, y: int, z: int}
|
|
|
|
fn f(p: @Cell<Point>) {
|
|
assert!((p.get().z == 12));
|
|
p.set(Point {x: 10, y: 11, z: 13});
|
|
assert!((p.get().z == 13));
|
|
}
|
|
|
|
pub fn main() {
|
|
let a: Point = Point {x: 10, y: 11, z: 12};
|
|
let b: @Cell<Point> = @Cell::new(a);
|
|
assert_eq!(b.get().z, 12);
|
|
f(b);
|
|
assert_eq!(a.z, 12);
|
|
assert_eq!(b.get().z, 13);
|
|
}
|