ice.rs

extern crate sync;
use sync::Arc;

fn main() {
    let numbers = ~[1,2,3];
    let numbers = Arc::new(numbers);

    for num in range(0, 3) {
        let (tx, rx)  = channel();
        tx.send(numbers.clone());

        spawn(proc() {
            let numbers = rx.recv();
            println!("{:d}", numbers[num as uint]);
        })
    }
}