rust/src/test/run-pass/task-comm-15.rs

// xfail-win32
use std;
import comm;
import task;

fn start(c: comm::chan<int>, i0: int) {
    let i = i0;
    while i > 0 {
        comm::send(c, 0);
        i = i - 1;
    }
}

fn main() {
    let p = comm::port();
    // Spawn a task that sends us back messages. The parent task
    // is likely to terminate before the child completes, so from
    // the child's point of view the receiver may die. We should
    // drop messages on the floor in this case, and not crash!
    let ch = comm::chan(p);
    let child = task::spawn {|| start(ch, 10); };
    let c = comm::recv(p);
}