rust/src/test/run-pass/exterior.rs
2013-02-22 18:35:01 -08:00

27 lines
785 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.
// -*- rust -*-
struct Point {x: int, y: int, z: int}
fn f(p: @mut Point) { assert (p.z == 12); p.z = 13; assert (p.z == 13); }
pub fn main() {
let a: Point = Point {x: 10, y: 11, z: 12};
let b: @mut Point = @mut copy a;
assert (b.z == 12);
f(b);
assert (a.z == 12);
assert (b.z == 13);
}