rust/src/test/run-pass/pass-by-copy.rs
Alex Crichton ade807c6dc rustc: Obsolete the @ syntax entirely
This removes all remnants of `@` pointers from rustc. Additionally, this removes
the `GC` structure from the prelude as it seems odd exporting an experimental
type in the prelude by default.

Closes #14193
[breaking-change]
2014-06-14 10:45:37 -07:00

28 lines
801 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)]
extern crate debug;
use std::gc::{GC, Gc};
fn magic(x: A) { println!("{:?}", x); }
fn magic2(x: Gc<int>) { println!("{:?}", x); }
struct A { a: Gc<int> }
pub fn main() {
let a = A {a: box(GC) 10};
let b = box(GC) 10;
magic(a); magic(A {a: box(GC) 20});
magic2(b); magic2(box(GC) 20);
}